{"id":21466,"date":"2025-09-25T14:28:54","date_gmt":"2025-09-25T06:28:54","guid":{"rendered":"https:\/\/www.elepcb.com\/?p=21466"},"modified":"2025-09-25T14:28:54","modified_gmt":"2025-09-25T06:28:54","slug":"pcb-sbu-technology","status":"publish","type":"post","link":"https:\/\/www.elepcb.com\/it\/blog\/pcb-sbu-technology\/","title":{"rendered":"Tecnologia PCB SBU per la produzione di PCB HDI: Guida completa"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21466\" class=\"elementor elementor-21466\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-59efb455 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"59efb455\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-31117e29\" data-id=\"31117e29\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-34edcfc0 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"34edcfc0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__34edcfc0\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__34edcfc0\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__34edcfc0\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-791d4b63 elementor-widget elementor-widget-text-editor\" data-id=\"791d4b63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"MMJ3dYqfMo488CxSgojc9hJ2nxR\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzwWQ93rSlNWaDOzmxWNHbg\"><div data-page-id=\"SN2QdUsRfo9ptVxuu01cmMU6nCK\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"DukudHr24oxYodxfykKcspSwn5E\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Da34drIOgotsMQxoJxlcUGwBn3d\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcntDESjy0M2CdxeEkl34Yo2f\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-QkZydxsvgodtLexrAv5cS18YnDf\">If you are designing smartphones, IoT devices, or high-speed <a href=\"https:\/\/www.elepcb.com\/blog\/what-is-5g-uw\/\">5G<\/a> applications, chances are your PCB is based on<strong> Sequential Build-Up (SBU) technology.<\/strong><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6598f962 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6598f962\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-18217549\" data-id=\"18217549\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b870758 elementor-widget elementor-widget-spacer\" data-id=\"b870758\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2b53cd9b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b53cd9b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-71908f17\" data-id=\"71908f17\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a4fa2ec elementor-widget elementor-widget-heading\" data-id=\"1a4fa2ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>What is SBU Technology?<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a7d6279 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a7d6279\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5e05198\" data-id=\"5e05198\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-159a4dc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"159a4dc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-ea56d92\" data-id=\"ea56d92\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dd46cdf elementor-widget elementor-widget-text-editor\" data-id=\"dd46cdf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"TqxMdcUfko5oeMxtxTdc8mIan5f\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnf7BuZvPWHUC0bspgdU84Xe\"><div data-page-id=\"DZAsdetJroFkxcxeVQjcyfnNnDg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-C4sgdmlmLoxQgNx41rtc5DVOnjc\"><div data-page-id=\"BcFSdRB1Gol2zkxdhFscxDvAnDb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-O0HFdYO4ho52jExvAJbc8dDXnFg\"><div data-page-id=\"SnzydsWllo0bm3xovKqcokF1nHe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"R9endOKSfohZDYxDRQXcy4SMnif\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn3dXmgPTeT8LCl4K0ao7yIh\"><div data-page-id=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn0096ojmZsCCcANe5A1ypVO\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnjMbtaK2pVA9QVd5GaiW1rd\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn4CITzJf2qdAXlu9dCCo1jh\"><div data-page-id=\"Mlo1dHQWRoT8Mgxnab7cKZn4nlg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnY013220Fe7mUbPEDdyOvAd\"><div data-page-id=\"Sqtwdp27oof9MJxYZSacwYrGncg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnx1sE93GlmXTOHseTdPb84e\"><div data-page-id=\"MMJ3dYqfMo488CxSgojc9hJ2nxR\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnKu2WPt5R3EggfFSqq5korc\"><div data-page-id=\"SN2QdUsRfo9ptVxuu01cmMU6nCK\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"DukudHr24oxYodxfykKcspSwn5E\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-DseLdRXjyoHmPlxdCQ2cBukKn2F\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-G9n3dP0Hxo7Vl2x9SKWchtl7nwg\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnz2so6x61NNUNj5qmgTALDc\"><strong>SBU (Sequential Build-Up) technology<\/strong> is an advanced <a href=\"https:\/\/www.elepcb.com\/pcb-manufacturing-process-and-services\/\">PCB manufacturing process<\/a> in which <strong>circuit layers are constructed sequentially<\/strong> rather than compressing them all into one lamination step. The technique enables designers to utilize laser-drilled microvias, thin dielectric films, <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-blind-and-buried-vias\/\">blind vias<\/a>, and buried vias for precise interconnections.<\/div><div class=\"ace-line ace-line old-record-id-ReMVdVLBPoRFTRxsss5ciRXVnxh\">PCB SBU technology helps in matching impedances and signal integrity issues, also embedding more components and traces to achieve the goal of developing <a href=\"https:\/\/www.elepcb.com\/pcb-products\/hdi-pcb\/\">High-Density Interconnect (HDI) boards.<\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-c6f8393 elementor-widget elementor-widget-spacer\" data-id=\"c6f8393\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-25a0134 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"25a0134\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5c0dc11\" data-id=\"5c0dc11\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9b83bb0 elementor-widget elementor-widget-heading\" data-id=\"9b83bb0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Advantages of Sequential Build-Up (SBU) for HDI PCB<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60cd3d7 elementor-widget elementor-widget-text-editor\" data-id=\"60cd3d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"DukudHr24oxYodxfykKcspSwn5E\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnds9CmP0jFHRKemMDiXfmGf\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MKKhdEjVAotOKgxkokQcFh6dnBc\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-MSUXdxz5ToBqrcxyUCZcayM0nub\">Beyond offering new stacking methods, <strong>Sequential Build-Up (SBU) PCBs<\/strong> deliver significant advantages in routing capability, electrical performance, size reduction, and long-term reliability. These benefits explain why SBU has become the foundation for <strong>HDI <\/strong><strong>PCB<\/strong><strong> manufacturing<\/strong> in advanced industries such as <strong>5G, <a href=\"https:\/\/www.elepcb.com\/applications\/pcbs-for-automotive\/\">automotive<\/a>, and <\/strong><a href=\"https:\/\/www.elepcb.com\/applications\/pcb-for-consumer-electronics\/\"><strong>consumer electronics<\/strong>.<\/a><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1a4675e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1a4675e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-723620a\" data-id=\"723620a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e8c0cb5 elementor-widget elementor-widget-text-editor\" data-id=\"e8c0cb5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-IMBGdoM8UoSuSuxJYb7cHD5gn9d\"><strong>Higher Routing Density<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-YCmUdQvwfoVubbxgkYLcrlKRnrd\">The primary advantage of Sequential Build-Up technology is its ability to support<strong> high-density interconnect (HDI) designs<\/strong>, offering greater routing density compared to traditional multilayer boards. This makes it easier to route and place high-pin-count components like<a href=\"https:\/\/www.elepcb.com\/blog\/ball-grid-array-guide-to-bga-packages\/\"> BGAs.<\/a><\/div><div class=\"ace-line ace-line old-record-id-YCmUdQvwfoVubbxgkYLcrlKRnrd\">Fine traces and thin dielectrics are used with laser-drilled microvias with small dimensions, allowing SBU boards to place BGAs and any other ultra-fine pitch packages such as <strong><a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/qfp-vs-qfn-package\/\">QFNs<\/a> and<\/strong><a href=\"https:\/\/www.elepcb.com\/blog\/chip-scale-package\/\"> <strong>chip-scale packages (CSPs)<\/strong><\/a>.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-683bc42\" data-id=\"683bc42\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2290356 elementor-widget elementor-widget-text-editor\" data-id=\"2290356\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-2 ace-line old-record-id-K7D5dZPeTo2x8vxO5qacD3vinVm\"><strong>Enhanced <a href=\"https:\/\/www.elepcb.com\/blog\/signal-integrity-in-pcb\/\">Signal Integrity<\/a><\/strong><\/h3><div class=\"ace-line ace-line old-record-id-XUOXdKptjo93YnxiFc2ctnNtnWf\">In contrast to traditional PCBs that rely on <a href=\"https:\/\/www.elepcb.com\/blog\/what-is-through-hole-pcb\/\">through-hole vias<\/a>, SBU technology keeps parasitic inductance and capacitance at bay by enabling shorter and more precise interconnections. This is crucial in 5G, millimetre-wave, and high-speed digital systems, where low insertion loss and stable impedance are a necessity rather than an option.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-22280f2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"22280f2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b5f56a5\" data-id=\"b5f56a5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a2e271 elementor-widget elementor-widget-text-editor\" data-id=\"1a2e271\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-2 ace-line old-record-id-Ithtd07xnoNtlexG6Socc50inBb\"><strong>Thinner and More Compact PCB Designs<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcnuehc6SiQfka08MvPU3uSFh\"><a href=\"https:\/\/www.elepcb.com\/blog\/pcb-copper-thickness\/\">PCB thickness<\/a> can be reduced by inserting vias and components between layers using SBU technology. Smartphone <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-motherboard-manufacturer\/\">motherboards<\/a> and wearables, for example, rely on SBU to possess a compact size while upholding complicated functions such as high-speed data processing and wireless communication.<\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0417d55\" data-id=\"0417d55\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f9c115c elementor-widget elementor-widget-text-editor\" data-id=\"f9c115c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-J6qdd6u55oLCGCxVeUwcXadPnhh\"><strong>Improved Reliability and Mechanical Strength<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-F9K4dakrkohAFXx0yUrcJ5eFnSb\">SBU PCBs can use staggered microvias to provide higher <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/mechanical-stress-in-pcb-coating\/\">mechanical strength<\/a> or stacked microvias to achieve more space savings. Such versatility assures long-term reliability and design improvement, which makes them well-suited for the automotive radar system, aerospace electronics, and medical fields where safety and reliability are paramount.<\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a8dd60 elementor-widget elementor-widget-spacer\" data-id=\"8a8dd60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a33bac1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a33bac1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9d1303b\" data-id=\"9d1303b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a6e074a elementor-widget elementor-widget-spacer\" data-id=\"a6e074a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd39e58 elementor-widget elementor-widget-heading\" data-id=\"fd39e58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><strong>Types of PCB SBU Technology<\/strong><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7e04168 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7e04168\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-579ebc1\" data-id=\"579ebc1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f01ce5b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f01ce5b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-4cfd57d\" data-id=\"4cfd57d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f89c10 elementor-widget elementor-widget-text-editor\" data-id=\"3f89c10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"TqxMdcUfko5oeMxtxTdc8mIan5f\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnf7BuZvPWHUC0bspgdU84Xe\"><div data-page-id=\"DZAsdetJroFkxcxeVQjcyfnNnDg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-C4sgdmlmLoxQgNx41rtc5DVOnjc\"><div data-page-id=\"BcFSdRB1Gol2zkxdhFscxDvAnDb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-O0HFdYO4ho52jExvAJbc8dDXnFg\"><div data-page-id=\"SnzydsWllo0bm3xovKqcokF1nHe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"R9endOKSfohZDYxDRQXcy4SMnif\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn3dXmgPTeT8LCl4K0ao7yIh\"><div data-page-id=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn0096ojmZsCCcANe5A1ypVO\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnjMbtaK2pVA9QVd5GaiW1rd\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn4CITzJf2qdAXlu9dCCo1jh\"><div data-page-id=\"Mlo1dHQWRoT8Mgxnab7cKZn4nlg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnY013220Fe7mUbPEDdyOvAd\"><div data-page-id=\"Sqtwdp27oof9MJxYZSacwYrGncg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnx1sE93GlmXTOHseTdPb84e\"><div data-page-id=\"MMJ3dYqfMo488CxSgojc9hJ2nxR\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnKu2WPt5R3EggfFSqq5korc\"><div data-page-id=\"SN2QdUsRfo9ptVxuu01cmMU6nCK\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"SN2QdUsRfo9ptVxuu01cmMU6nCK\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"DukudHr24oxYodxfykKcspSwn5E\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnqfNZrUUBeXL7RBIRRe3z03\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-Y5XYd4UPbobZy4xkhWMcyy04nsd\"><strong>Stack-up in HDI PCBs<\/strong><\/h3><div class=\"ace-line ace-line old-record-id-doxcnHtmGqMCLh0Yfwr5lE9jKac\"><strong>Sequential Build-Up (SBU) PCBs<\/strong> can be implemented in different stack-up structures, depending on how much density and performance the design requires:<\/div><ul><li class=\"ace-line ace-line old-record-id-FhaEdmUpQo2NX1xTdh9c6YNqnPf\"><strong>1+N+1 Structure (Entry-Level)<\/strong><\/li><\/ul><div class=\"ace-line ace-line old-record-id-ZEq0dbuwbonQLMxlhSHcbqKlnmg\">One of the more standard entry-level applications is the 1+N+1 structure, which means one build-up layer is added to each side of the core.<\/div><div class=\"ace-line ace-line old-record-id-FiQ1dB1RVoVzJ1xPdahcVxCRn4d\">Commonly used in <strong>basic HDI designs<\/strong>, where moderate routing density is enough.<\/div><ul><li class=\"ace-line ace-line old-record-id-K79gd0sYGomdfDx3TwicVEmInfm\"><strong>2+N+2 Structure (Higher Density)<\/strong><\/li><\/ul><div class=\"ace-line ace-line old-record-id-PjVXdsLR1oQBOux8b6ncE6j4nsp\">A 2+N+2 stack has two build up layers per side.<\/div><div class=\"ace-line ace-line old-record-id-M2GvdV87Iobdc6xolxbc3MzXnGf\">Provides more routing channels, supporting <strong>complex packages<\/strong> like high-pin-count BGAs.<\/div><ul><li class=\"ace-line ace-line old-record-id-CiQ9docvHoNM2PxZdo4cNv95nId\"><strong>Any-Layer Interconnect (Advanced Level)<\/strong><\/li><\/ul><div class=\"ace-line ace-line old-record-id-JWYkdZNGHo7gT3x9jO0c4mLAnXf\">At the most sophisticated level, any-layer interconnect technology allows microvias to connect from any layer to any layer. This gives PCB designers freedom for routing and also removes stubs, which solves most of the signal integrity issues.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a76763d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a76763d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1dac687\" data-id=\"1dac687\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f26e690 elementor-widget elementor-widget-image\" data-id=\"f26e690\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"737\" height=\"270\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/1-n-1-hdi-pcb-stack-up.webp\" class=\"attachment-large size-large wp-image-21468\" alt=\"1-n-1-hdi-pcb-stack-up\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/1-n-1-hdi-pcb-stack-up.webp 737w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/1-n-1-hdi-pcb-stack-up-300x110.webp 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/1-n-1-hdi-pcb-stack-up-18x7.webp 18w\" sizes=\"(max-width: 737px) 100vw, 737px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">1-N-1 HDI PCB Stack-up<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-8da6d8f\" data-id=\"8da6d8f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fa90639 elementor-widget elementor-widget-image\" data-id=\"fa90639\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"338\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/2N2-Structure-1024x433.png\" class=\"attachment-large size-large wp-image-21470\" alt=\"2+N+2 Structure\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/2N2-Structure-1024x433.png 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/2N2-Structure-300x127.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/2N2-Structure-768x325.png 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/2N2-Structure-18x8.png 18w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/2N2-Structure.png 1079w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">2+N+2 Structure<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac0df35 elementor-widget elementor-widget-spacer\" data-id=\"ac0df35\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e8ad487 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8ad487\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2465af8\" data-id=\"2465af8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-d503e83 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d503e83\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-a0bf7ea\" data-id=\"a0bf7ea\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-84f6a24 elementor-widget elementor-widget-text-editor\" data-id=\"84f6a24\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"TqxMdcUfko5oeMxtxTdc8mIan5f\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnf7BuZvPWHUC0bspgdU84Xe\"><div data-page-id=\"DZAsdetJroFkxcxeVQjcyfnNnDg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-C4sgdmlmLoxQgNx41rtc5DVOnjc\"><div data-page-id=\"BcFSdRB1Gol2zkxdhFscxDvAnDb\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-O0HFdYO4ho52jExvAJbc8dDXnFg\"><div data-page-id=\"SnzydsWllo0bm3xovKqcokF1nHe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"R9endOKSfohZDYxDRQXcy4SMnif\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn3dXmgPTeT8LCl4K0ao7yIh\"><div data-page-id=\"XMaGd765qowddoxaKhBcUxbEn2g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn0096ojmZsCCcANe5A1ypVO\"><div data-page-id=\"EZC3d1FV5o7LwoxA5rycVKednug\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnjMbtaK2pVA9QVd5GaiW1rd\"><div data-page-id=\"NRLEdDiB4om67uxCN22caz9Gn3g\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn4CITzJf2qdAXlu9dCCo1jh\"><div data-page-id=\"Mlo1dHQWRoT8Mgxnab7cKZn4nlg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnY013220Fe7mUbPEDdyOvAd\"><div data-page-id=\"Sqtwdp27oof9MJxYZSacwYrGncg\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnx1sE93GlmXTOHseTdPb84e\"><div data-page-id=\"MMJ3dYqfMo488CxSgojc9hJ2nxR\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnKu2WPt5R3EggfFSqq5korc\"><div data-page-id=\"SN2QdUsRfo9ptVxuu01cmMU6nCK\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"SN2QdUsRfo9ptVxuu01cmMU6nCK\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"SN2QdUsRfo9ptVxuu01cmMU6nCK\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"DukudHr24oxYodxfykKcspSwn5E\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><h3 class=\"heading-3 ace-line old-record-id-WGKMdIUYbojiiNx9OXfcDSZNnof\"><strong>Via Configurations in SBU PCBs<\/strong><\/h3><ul><li class=\"ace-line ace-line old-record-id-OPJ2dgYfKolBhIxMlsacvbMDniO\"><strong>Staggered Microvias: <\/strong>Staggered microvias are spread out to provide mechanical strength.<ul><li class=\"ace-line ace-line old-record-id-Xj4ddCL40oML8cxOmhMc0kJnnzh\" style=\"text-align: left;\">Suitable for designs where <strong>long-term reliability<\/strong> is critical, such as <strong><a href=\"https:\/\/www.elepcb.com\/applications\/pcbs-for-automotive\/\">automotive<\/a> or aerospace electronics<\/strong>.<\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-XNRNdNMZqoMfhvxvhprcRojdnof\"><strong>Stacked Microvias:<\/strong> Stacked microvias are aligned vertically to provide space savings with direct interconnections.<ul><li class=\"ace-line ace-line old-record-id-CiIKdXRi2o9yH6xTwnOc6pOxnhc\">Ideal for <strong>ultra-compact layouts<\/strong> in <a href=\"https:\/\/www.elepcb.com\/blog\/mobile-pcb-board\/\">smartphones<\/a>, IoT devices, and other miniaturized products.<\/li><\/ul><\/li><\/ul><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-c70f1f2 elementor-widget elementor-widget-spacer\" data-id=\"c70f1f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-564c19c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"564c19c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2d75aa4\" data-id=\"2d75aa4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f683ff5 elementor-widget elementor-widget-spacer\" data-id=\"f683ff5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8af3ff elementor-widget elementor-widget-heading\" data-id=\"a8af3ff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Comparison between Standard and SBU Technology<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-45e10cf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"45e10cf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4624aea\" data-id=\"4624aea\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e028990 elementor-widget elementor-widget-text-editor\" data-id=\"e028990\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PO3Id80pAoKGf6xoZLocD0R5nD2\">The difference between standard PCBs and SBU boards is that SBU boards are not just stacked layers. They are designed to support<a href=\"https:\/\/www.elepcb.com\/blog\/high-frequency-pcb\/\"> high-frequency<\/a> applications and very dense routing. Here is a quick comparison between them:<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70887f1 elementor-widget elementor-widget-text-editor\" data-id=\"70887f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\"><div><table class=\"ace-table\" data-ace-table-col-widths=\"143;352;404\"><colgroup> <col width=\"143\" \/> <col width=\"352\" \/> <col width=\"404\" \/><\/colgroup><tbody><tr><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnu6QhF8RHK8cmwgv7F7Xo4r\">\u00a0<\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnYV9CiEVP89lmm54O85qQ2p\" style=\"text-align: center;\"><strong>Standard PCB Technology<\/strong><\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnIEBjBiRMEyOSOgJrO65Ozh\" style=\"text-align: center;\"><strong>SBU PCB Technology<\/strong><\/div><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcne80nd8ydz250PzZYnScsKd\"><strong>Manufacturing Process<\/strong><\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcne6LOr2ppewXSGYp4PsQQvf\">Standard PCBs are fabricated in one lamination step with all layers pressed together. Through-hole vias are drilled through the entire thickness of the board.<\/div><div class=\"ace-line ace-line old-record-id-DhFEd9LVuomcR4xfysicprTtn8e\">\u2705inexpensive, efficient process<\/div><div class=\"ace-line ace-line old-record-id-SBVfdshg7oJHG9xsbbLc8JwHngh\">\u274ccreates long stubs that can be problematic at high frequencies<\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnTnacVDRaXMsGPrWPf65ksc\">SBU PCBs are built layer by layer. Instead, an additional build-up layer is added, and laser-drilled microvias connect levels within a layer without creating stubs.<\/div><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnah8Ss1GRqz2pYCLURejo6e\"><strong>Vias and <\/strong><strong>Connectivity<\/strong><\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcndjFg7L7xTGrPW25x89Oj5g\">Use through-hole vias, which drill through the entire stack, even when only a few layers require connectivity.<\/div><div class=\"ace-line ace-line old-record-id-IGBpdNoR8ooAo6xDEemcXUQ5ncb\">The portions of the via that do not connect to anything act as antennas at high frequency and inhibit performance.<\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnrX6LbLBr40DLQeYnlc3arc\">SBU employs blind vias, buried vias, and laser-drilled microvias that stop where necessary.<\/div><div class=\"ace-line ace-line old-record-id-IhZZdUSAOoY5Wrxs5dbchFnxnAR\">Reduce insertion loss, improve impedance control, and reduce parasitic effects, which are beneficial for high-frequency operations<\/div><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcn5tCN6DzyfsM2DjYhSIaXMb\"><strong>Performance and Signal Integrity<\/strong><\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnLwMHugk2vXxLRqRdlUb6Ih\">Entails through-hole vias and larger board outlines that create parasitics, negatively affecting signal integrity performance in high-frequency designs.<\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcn6XCD2BWA9RsKSRZoRhmf2b\">Shorter connection paths with SBU PCBs preserve signal integrity for designs that demand it.<\/div><div class=\"ace-line ace-line old-record-id-YL5ndkpyQoQ96SxZF10cjfI8nBG\">Ideal for 5G, mmWave, and high-speed digital designs with strict requirements for impedance control and insertion loss.<\/div><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnVL0pF5R381yuRLAdiz0Shb\"><strong>Target Applications and Costs<\/strong><\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnfh29OWzlO9mQNjTWUCQSAg\">Ideal for many products that require low to moderate performance options and low-cost solutions like power supplies, consumer-level products, and industrial-grade boards.<\/div><\/td><td colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-doxcnfv1mm4AiV02uyrEm8hhTWe\">SBU PCBs are expensive because of the additional steps required for fabrication.<\/div><div class=\"ace-line ace-line old-record-id-UiSLdtZNnoUOw5xJprbcb2iPnkb\">Important for the next-generation applications like smartphones and other IoT devices, automotive radar, and aerospace systems requiring dense.<\/div><\/td><\/tr><\/tbody><\/table><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-edd7cf7 elementor-widget elementor-widget-spacer\" data-id=\"edd7cf7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4079a59 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4079a59\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fa462d3\" data-id=\"fa462d3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-25b1563 elementor-widget elementor-widget-heading\" data-id=\"25b1563\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><strong>How Sequential Build-Up PCBs Are Manufactured (Step by Step)<\/strong><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd3c77c elementor-widget elementor-widget-image\" data-id=\"cd3c77c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"599\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/Sequential-Build-Up-PCB-Manufacturing-Process-768x599.png\" class=\"attachment-medium_large size-medium_large wp-image-21469\" alt=\"\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/Sequential-Build-Up-PCB-Manufacturing-Process-768x599.png 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/Sequential-Build-Up-PCB-Manufacturing-Process-300x234.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/Sequential-Build-Up-PCB-Manufacturing-Process-1024x798.png 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/Sequential-Build-Up-PCB-Manufacturing-Process-15x12.png 15w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2025\/09\/Sequential-Build-Up-PCB-Manufacturing-Process.png 1160w\" sizes=\"(max-width: 768px) 100vw, 768px\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5b5b49f8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5b5b49f8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-6cf953f5\" data-id=\"6cf953f5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8ae8606 elementor-widget elementor-widget-heading\" data-id=\"8ae8606\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Step 1: Lamination of Core <\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-775fc9e8\" data-id=\"775fc9e8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5b86c934 elementor-widget elementor-widget-heading\" data-id=\"5b86c934\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Step 2: Building Up Layers<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-a598934\" data-id=\"a598934\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-55675cff elementor-widget elementor-widget-heading\" data-id=\"55675cff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Step 3: Drilling Microvias<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2375f88c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2375f88c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-55d0fb56\" data-id=\"55d0fb56\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2bef7ba elementor-widget elementor-widget-text-editor\" data-id=\"2bef7ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CI1mdtRZWoU2etxsuzCcuA7InAh\"><div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CI1mdtRZWoU2etxsuzCcuA7InAh\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnAlMJjSaLDjc0NZlEJENmch\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnlyFx7IO15qHIsyIvBU4gLg\">SBU starts with a laminated core material, which creates the base of the PCB. This core must be made to withstand all of the built-up layers above it without imperfections and alignment issues.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-2d74869e\" data-id=\"2d74869e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-622a726e elementor-widget elementor-widget-text-editor\" data-id=\"622a726e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-H0oCdIr4Doop3PxDvTicQ1SUndc\"><div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-H0oCdIr4Doop3PxDvTicQ1SUndc\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn4v7PiulcrsbqEadEmFjiNc\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-T4radhPZPoZtVVxVKvccxC3bneo\">Next, a thin dielectric layer is added to support the additional drillings\/microvias, which are intricate in nature and need to remain uniform.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-33146e39\" data-id=\"33146e39\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-393683d9 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"393683d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CpIYdUW3fosYOMxfa9ZcyNoFnHe\"><div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CpIYdUW3fosYOMxfa9ZcyNoFnHe\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn9rzmJbAQ7wdpXrYS29gBxf\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnaEIYRK06kdiN1caRXx517g\">Then, laser <a href=\"https:\/\/www.elepcb.com\/blog\/ins-and-out-of-pcb-drilling-revealed\/\">drilling<\/a> creates microvias. Unlike mechanical drilling, laser drilling creates small holes that allow connections to be made without disturbing or damaging adjacent spaces.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-431bdcf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"431bdcf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-b58f681\" data-id=\"b58f681\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-faaca81 elementor-widget elementor-widget-heading\" data-id=\"faaca81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Step 4: Plating Process<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-cf89350\" data-id=\"cf89350\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-256f3a2 elementor-widget elementor-widget-heading\" data-id=\"256f3a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><b>Step 5: Repeat Layers<\/b><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-56ad9f4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"56ad9f4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-baeb8f5\" data-id=\"baeb8f5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e432ce1 elementor-widget elementor-widget-text-editor\" data-id=\"e432ce1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CI1mdtRZWoU2etxsuzCcuA7InAh\"><div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CI1mdtRZWoU2etxsuzCcuA7InAh\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnAlMJjSaLDjc0NZlEJENmch\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn8WZT2JXcNsAZPglcIDX7cd\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnKoJy6nUYoWl6MCYdHrEWEf\">Then, microvias are filled, the copper is etched and patterned to create the necessary connections per the design requirements.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-e5e085a\" data-id=\"e5e085a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-550634c elementor-widget elementor-widget-text-editor\" data-id=\"550634c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-H0oCdIr4Doop3PxDvTicQ1SUndc\"><div data-page-id=\"PZA2dXvPzoX0Ijxyx57coFXKn1M\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-H0oCdIr4Doop3PxDvTicQ1SUndc\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn4v7PiulcrsbqEadEmFjiNc\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnYUyU7UWUUi0hpagFbdd9Ld\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnZBdDUrQpP2YoD9tLp4u81q\">If multiple build-up layers are needed for additional layers, this process is repeated. Add a dielectric layer, drill microvias, plate with copper, and etch until the desired stack-up has been achieved.<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-47af8e0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"47af8e0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a801108\" data-id=\"a801108\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a4f5f1 elementor-widget elementor-widget-spacer\" data-id=\"1a4f5f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eedde2c elementor-widget elementor-widget-heading\" data-id=\"eedde2c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Future Trends of PCB SBU Technology\n<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6237661 elementor-widget elementor-widget-text-editor\" data-id=\"6237661\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"DukudHr24oxYodxfykKcspSwn5E\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn6OKxd6ASfJdaesBuUIHbEh\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Rw0dduNwdoRRrzxzmukccBFfnIc\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TvAydFJxdorLYGxj1G5cK02En8f\">SBU technology will continue to evolve to meet the demands of next-generation electronics. Key trends include:<\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24a948b elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"24a948b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"SN2QdUsRfo9ptVxuu01cmMU6nCK\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"DukudHr24oxYodxfykKcspSwn5E\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-G4XzdQ3FYoYCi0xSfF8chVrVnYd\"><strong>Thinner Insulation and Finer Copper Traces<\/strong><\/div><div class=\"ace-line ace-line old-record-id-doxcnKCBFVABS7n3qOED6H7Qg6Z\">Designers will require PCBs with reduced insulation layers, more refined copper traces, and microvias that operate on the smallest of scales to accommodate upcoming processors, <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-sensor\/\">sensors<\/a>, and memory chips.<\/div><div class=\"ace-line ace-line old-record-id-GFu8dUs00o7cCCxvrgXczPyanme\"><strong>Any-Layer <\/strong><strong>HDI<\/strong><strong> Adoption<\/strong><\/div><div class=\"ace-line ace-line old-record-id-QjD2dPnYQolfjUxbmrNcibgrnld\">This change allows microvias to interconnect across any layer of the board. Advanced PCB SBU technology allows engineers greater access and flexibility in routing and makes it less complicated to maintain more complex <a href=\"https:\/\/www.elepcb.com\/pcb-layout-design-process-and-guidelines\/\">layouts<\/a> relative to chips.<\/div><div class=\"ace-line ace-line old-record-id-T2Knd5AjjoErZhxb8NVcNplKn4d\"><strong>Improved Material Systems<\/strong><\/div><div class=\"ace-line ace-line old-record-id-doxcnyD2CLIODy9DAFlRJauRTag\">In addition, materials will be increasingly enhanced. Low-loss laminates, as well as resins, will increasingly support 5G technology, mmWave, and other high-speed designs that improve signal quality.<\/div><div class=\"ace-line ace-line old-record-id-Th1fdZ7LuoTgVFxyblkcRlh5nQc\"><strong>Integration with System-in-Package (<\/strong><strong>SiP<\/strong><strong>) and 3D Packaging<\/strong><\/div><div class=\"ace-line ace-line old-record-id-MGXFdNoK4om0U6x9Pa1cgFKmnjg\">SBU technology will be integrated into system-in-package or 3D integration efforts where the PCBs will act as both the <strong>interconnect platform<\/strong> and part of the physical package.<\/div><div class=\"ace-line ace-line old-record-id-SznjdUFAKo50DPxNSRzcK5zznbg\">All of these advancements signify that SBU boards will be integral to achieving small, high-quality performances and reliability in electronics going forward.<\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cc99d99 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc99d99\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-914f990\" data-id=\"914f990\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-00fccbf elementor-widget elementor-widget-heading\" data-id=\"00fccbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>Conclusion<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5184bd elementor-widget elementor-widget-text-editor\" data-id=\"d5184bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"YlJndE6DXooMqMxqRRncHfQMnhd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnlGmKJuR3BPCfs7gPdgfz6d\"><div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnedI796t7LFnC1B7SGTqPXg\">With sequential build-up technology, PCBs can be more densely populated with smaller sizes and better electrical characteristics, resulting in high-tech devices we use every day, from smartphones to high-frequency 5G and even the automotive and aerospace industries.<\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18dccdb elementor-widget elementor-widget-text-editor\" data-id=\"18dccdb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"RvBOdpqDYo8lVLxjigAc6Brvnwd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Z5sadlPWroN7L4x3mCccpsNenl6\">At <a href=\"https:\/\/www.elepcb.com\/\"><strong>ELEPCB<\/strong><\/a>, we specialize in designing and manufacturing:<\/div><div class=\"ace-line ace-line old-record-id-K59TdobK5oMcoHx7LbGcbqpsnQg\"><strong>\u2705Standard multilayer <\/strong><strong>PCB<\/strong> from 1-36 layers<\/div><div class=\"ace-line ace-line old-record-id-Vnj2djYMOobVrlxJmHZcPTagnzc\"><strong>\u2705HDI PCB design and manufacturing<\/strong><\/div><div class=\"ace-line ace-line old-record-id-Jwmsd5nFKogsMMx9RsgcVHEvnRh\"><strong>\u2705PCBs requiring high difficulty and <\/strong><strong>precision<\/strong><\/div><div class=\"ace-line ace-line old-record-id-ZUJVdqi3DoG2BZx0M88cwhtFnNf\">Whether your project involves consumer electronics, high-frequency communication systems, or a sensitive telemetry and communication system, our engineering team can deliver <span style=\"color: #008000;\"><strong>reliable, cost-effective, and high-quality <\/strong><strong>PCB<\/strong><strong> solutions<\/strong>.<\/span><\/div><div class=\"ace-line ace-line old-record-id-doxcnBb7sIVnTva8GSrT0diMyth\"><a href=\"https:\/\/www.elepcb.com\/contact-us\/\"><em><strong>Contact ELEPCB today<\/strong> <\/em><\/a>to discuss your project requirements and discover how our<a href=\"https:\/\/www.elepcb.com\/blog\/turnkey-pcb-assembly\/\"> <strong>turnkey<\/strong> <strong>PCB<\/strong><\/a><strong> manufacturing and assembly services<\/strong> can accelerate your product development!<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-688ba04c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"688ba04c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3c2fc7ea\" data-id=\"3c2fc7ea\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2180da8 elementor-widget elementor-widget-heading\" data-id=\"2180da8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><b>FAQ<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f9f4f7b elementor-widget elementor-widget-toggle\" data-id=\"6f9f4f7b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1871\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1871\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q1: Can SBU totally eliminate stubs? <\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1871\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1871\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><p>A1: Yes. Since microvias only go down one layer and stop where the signal needs to go, there are no extensive, unused via barrels as seen in more traditional PCBs. Therefore, in most instances, you do not require backdrilling when operating with SBU.<\/p><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1872\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1872\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q2: How does SBU support impedance control? <\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1872\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1872\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BWQ0dJKPTovPhYx6XTfc9xMAngc\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZGjidQpZuouEMuxnruBcR4Ujndg\">A2: Due to shorter vias and thinner dielectric layers, impedance can be better controlled. You still must pay attention to trace width and spacing, but SBU boards demonstrate less variation than standard through-hole boards.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1873\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1873\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q3: What are the major manufacturing difficulties associated with SBU? <\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1873\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1873\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\">A3: Registration between layers is one of the hardest challenges, due to how small the features are. Consistent copper plating inside of microvias is another one; any misalignment or defect can lead to opens or signal degradation.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1874\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1874\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Q4: Are SBU boards capable of supporting very high layer counts? <\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1874\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1874\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-VIvSds1JnokGWWxGglucirLXn4O\"><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XizidTe9soWkg0xX1N9cjCycnJd\">A4: Yes, SBU can support 20+ layers without excess thickness. However, the reliability of stacked vias must be managed carefully in very high layer counts.<\/div><\/div><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-72b68d12 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"72b68d12\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-46a34694\" data-id=\"46a34694\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7f5dff4 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7f5dff4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-651c3920 elementor-widget elementor-widget-shortcode\" data-id=\"651c3920\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"2056\" class=\"elementor elementor-2056\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6012901 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6012901\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-afac9b2\" data-id=\"afac9b2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b379375 elementor-widget elementor-widget-image\" data-id=\"b379375\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/pcb-products\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-768x1024.jpg\" class=\"attachment-large size-large wp-image-15779\" alt=\"pcb and pcba products 1\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-768x1024.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-225x300.jpg 225w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-1152x1536.jpg 1152w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-1536x2048.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-2-scaled.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8968fc1\" data-id=\"8968fc1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c0c3b5d elementor-widget elementor-widget-image\" data-id=\"c0c3b5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.elepcb.com\/contact-us\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1024x683.jpg\" class=\"attachment-large size-large wp-image-15819\" alt=\"contact us\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1024x683.jpg 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-300x200.jpg 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-768x512.jpg 768w, 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margin-bottom: 0px; margin-left: auto; padding: 25px 0px 15px; text-align: center; max-width: 846px;\">We provide technical expertise form prototype through production, increasing speed to market by 20%.<\/p><p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Contact us below to start discussing your project with our Technical Experts today.<\/p><p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Whether you already have Gerber Files, submit a\u00a0Quick Quote\u00a0for free estimate.<\/p><\/div><\/form><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5782c747 elementor-button-align-center elementor-widget elementor-widget-form\" data-id=\"5782c747\" data-element_type=\"widget\" data-e-type=\"widget\" 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elementor-field-group-field_373bda7 elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_373bda7\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tPhone Number\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_373bda7]\" id=\"form-field-field_373bda7\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Csak a sz\u00e1mok \u00e9s telefonkarakterek (#, -, * stb.) fogadhat\u00f3k el.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-checkbox elementor-field-group elementor-column elementor-field-group-field_c168eb1 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_c168eb1\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tI am interested in (select all that apply)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<div class=\"elementor-field-subgroup  elementor-subgroup-inline\"><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Rigid PCBs\" id=\"form-field-field_c168eb1-0\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-0\">Rigid PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible Printed Circuit Boards\" id=\"form-field-field_c168eb1-1\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-1\">Flexible Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible Aluminum PCBs\" id=\"form-field-field_c168eb1-2\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-2\">Flexible Aluminum PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Flexible PCB Microcircuits\" id=\"form-field-field_c168eb1-3\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-3\">Flexible PCB Microcircuits<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Ultra-Thin Flexible PCBs\" id=\"form-field-field_c168eb1-4\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-4\">Ultra-Thin Flexible PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Rigid-Flex\" id=\"form-field-field_c168eb1-5\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-5\">Rigid-Flex<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Ceramic Printed Circuit Boards\" id=\"form-field-field_c168eb1-6\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-6\">Ceramic Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Aluminum Printed Circuit Boards\" id=\"form-field-field_c168eb1-7\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-7\">Aluminum Printed Circuit Boards<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Copper Core\" id=\"form-field-field_c168eb1-8\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-8\">Copper Core<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"IC Substrates &amp; Interposer\" id=\"form-field-field_c168eb1-9\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-9\">IC Substrates & Interposer<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"High TG PCBs\" id=\"form-field-field_c168eb1-10\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-10\">High TG PCBs<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Heavy Copper\" id=\"form-field-field_c168eb1-11\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-11\">Heavy Copper<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"PCB Assembly\" id=\"form-field-field_c168eb1-12\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-12\">PCB Assembly<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Components Sourcing\" id=\"form-field-field_c168eb1-13\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-13\">Components Sourcing<\/label><\/span><span class=\"elementor-field-option\"><input type=\"checkbox\" value=\"Other\" id=\"form-field-field_c168eb1-14\" name=\"form_fields[field_c168eb1][]\"> <label for=\"form-field-field_c168eb1-14\">Other<\/label><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-upload elementor-field-group elementor-column elementor-field-group-field_2cea676 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_2cea676\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tUpload Your Files (Optional)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_2cea676]\" id=\"form-field-field_2cea676\" class=\"elementor-field elementor-size-sm  elementor-upload-field\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-field_9ceb2c8 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_9ceb2c8\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[field_9ceb2c8]\" id=\"form-field-field_9ceb2c8\" rows=\"4\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-123957a9\" data-id=\"123957a9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Table of Contents If you are designing smartphones, IoT devices, or high-speed 5G applications, chances are your PCB is based on Sequential Build-Up (SBU) technology. What is SBU Technology? SBU (Sequential Build-Up) technology is an advanced PCB manufacturing process in which circuit layers are constructed sequentially rather than compressing them all into one lamination step. [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":21467,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[129,233],"class_list":["post-21466","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-pcb-manufacturing","tag-pcb-technique"],"_links":{"self":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/21466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/comments?post=21466"}],"version-history":[{"count":20,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/21466\/revisions"}],"predecessor-version":[{"id":21490,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/21466\/revisions\/21490"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media\/21467"}],"wp:attachment":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media?parent=21466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/categories?post=21466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/tags?post=21466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}