{"id":12688,"date":"2024-07-23T11:22:14","date_gmt":"2024-07-23T03:22:14","guid":{"rendered":"http:\/\/www.elepcb.com\/?p=12688"},"modified":"2025-06-06T09:48:36","modified_gmt":"2025-06-06T01:48:36","slug":"electroless-nickel-immersion-gold","status":"publish","type":"post","link":"https:\/\/www.elepcb.com\/it\/blog\/electroless-nickel-immersion-gold\/","title":{"rendered":"PCB ENIG: nozioni di base sulla finitura superficiale dell'oro, usi e confronti"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"12688\" class=\"elementor elementor-12688\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3adef51 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3adef51\" 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-413df67\" data-id=\"413df67\" 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-f4ba243 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"f4ba243\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;exclude_headings_by_selector&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__f4ba243\" 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__f4ba243\" 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__f4ba243\" 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-74063dd elementor-widget elementor-widget-text-editor\" data-id=\"74063dd\" 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=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn855IpUk5lty8VzoXclbmAe\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-QQaKdNKGNormaqx7nevcaADInzc\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RcRAdCs5poXXfGx4FbTcQSzgnxh\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CtQedDihEoGR9xxWKbmcnL4znle\"><p>ENIG (Electroless Nickel Immersion Gold) is the go-to <a href=\"https:\/\/www.elepcb.com\/blog\/enepig\/\">surface finish<\/a> for high-reliability PCBs in aerospace and medical devices. But is it right for your project? What is the difference between the different surface finish forms?<\/p><\/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<div class=\"elementor-element elementor-element-ef2a5b3 elementor-widget elementor-widget-text-editor\" data-id=\"ef2a5b3\" 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=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcn855IpUk5lty8VzoXclbmAe\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-QQaKdNKGNormaqx7nevcaADInzc\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RcRAdCs5poXXfGx4FbTcQSzgnxh\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-KLkrdZp9zoyknYxthVxc9Lgnnpg\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-SlWSdQbdFoefkSxBeTacmlILnHp\"><a href=\"https:\/\/www.elepcb.com\/\">ELEPCB<\/a> will \u00a0give a comprehensive guide to Electroless Nickel Immersion Gold Surfacing (ENIG), its pros and cons, <a href=\"https:\/\/www.elepcb.com\/applications\/\">application<\/a> area, and the steps to coat immersion gold.<\/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<div class=\"elementor-element elementor-element-069bda6 elementor-widget elementor-widget-heading\" data-id=\"069bda6\" 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 ENIG in 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-4d36313 elementor-widget elementor-widget-text-editor\" data-id=\"4d36313\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-QK9hdCdTzoh4j4xuBQmcAZQSn5b\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Cd8xdeMY0oEs0HxVrerchebZn4e\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-CLe7dnvWtorSlzxzbxwc19pVncf\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JaSGdRT2Rop8PqxVwpFczsyKnne\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Ga73d9UrFofxnixTRzYceu0Yn1c\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-K6EpdgkSWoP2JAxVqa2coRspnjd\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-LUsldC9ryodgTixCzYwcFaP5nrc\"><p>The\u00a0surface finish is to create a smooth, even layer that maximizes the durability and performance of the PCB.\u00a0ENIG is <strong>a two-layer metallic surface finish<\/strong> that includes <span style=\"color: #008000;\">a thin layer of gold<\/span> over<span style=\"color: #008000;\"> a layer of nickel<\/span>.\u00a0The operations are:<\/p><p>First, the nickel layer is plated on copper pads using an electroless chemical reaction. Next, gold is applied over the nickel layer using an immersion method to coat pads and traces. The gold layer provides excellent conductivity and protects nickel from oxidation.<\/p><\/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<div class=\"elementor-element elementor-element-1ba5a37 elementor-widget elementor-widget-image\" data-id=\"1ba5a37\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/What-is-ENIG-in-PCB.png\" class=\"attachment-medium_large size-medium_large wp-image-12692\" alt=\"\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/What-is-ENIG-in-PCB.png 750w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/What-is-ENIG-in-PCB-300x200.png 300w\" sizes=\"(max-width: 750px) 100vw, 750px\">\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<div class=\"elementor-element elementor-element-53390df elementor-widget elementor-widget-text-editor\" data-id=\"53390df\" 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=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TIbydi7zko517VxCzmycl89Sn1c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XJLtdd8BOoCf0axiHUxcEiMpnfc\">This ENIG surface finish is used in various industries, including <a href=\"https:\/\/www.elepcb.com\/applications\/pcb-for-consumer-electronics\/\">consumer electronics<\/a>, <a href=\"https:\/\/www.elepcb.com\/applications\/pcbs-for-automotive\/\">automotive<\/a>, aerospace, and <a href=\"https:\/\/www.elepcb.com\/applications\/pcb-for-medical-equipment\/\">medical<\/a>.<\/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-3a123e2 elementor-widget elementor-widget-heading\" data-id=\"3a123e2\" 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>T<\/b><b>hickness of ENIG Surface Finish<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffce650 elementor-widget elementor-widget-text-editor\" data-id=\"ffce650\" 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=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnqbrFzalUrklCOqQ2PNHbAe\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcntBR97KxYpGJ6Id1xjhu9Nh\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnrN1PEWv2xKiXMYXCjeG6ue\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RzUud8jeMoagvExzNbncdxSOnjf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-AcbfdaM1foMzFWxF9ctc4afZnmf\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-KiuSd88kQo09WpxKBN5cr76Ynhg\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-UgnJdi3Aioac6hxdAInchOMMn2f\">In any surface finish, the copper pads should be protected from oxidation. The gold layer in ENIG prevents the nickel layer from oxidation. The <strong>thickness of the nickel layer ranges from 4 to 7 microns<\/strong>, while the <strong>thickness of the gold ranges from 0.05 to 0.23 microns<\/strong>.<\/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<div class=\"elementor-element elementor-element-4e3e4a6 elementor-widget elementor-widget-text-editor\" data-id=\"4e3e4a6\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-TVGmdGv91ovBEWxhnDIc7p6Xntf\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OcbmdIvHHordsXx9QEJciN0Znug\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-U3yldkdnYof7RfxoL9ucL7yNnjb\"><p>The thickness for ENIG surface finish usually follows <strong>IPC 4552<\/strong>. This standard requires the thickness:<\/p><ul><li><span style=\"color: #008000;\">The nickel thickness:\u00a0100 ~\u00a0250 micro inches<\/span><\/li><li><span style=\"color: #008000;\">The immersion gold thickness:2 ~\u00a08 micro inches<\/span><\/li><\/ul><\/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<div class=\"elementor-element elementor-element-03d9c95 elementor-widget elementor-widget-heading\" data-id=\"03d9c95\" 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>Steps in ENIG Process<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b669eaa elementor-widget elementor-widget-text-editor\" data-id=\"b669eaa\" 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=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-LtOmdYn66o3RegxnVOQc7ZAYnAe\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-WiG7dbWnSoCp8Vx8jhRcfbeLnng\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Nr5ZdpVANodhHxx7hakcJwsZn0F\">The ENIG process involves various steps including coating gold and deposition of Nickel. Let\u2019s check out the steps in detail.<\/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-65db5cf elementor-widget elementor-widget-image\" data-id=\"65db5cf\" 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=\"800\" height=\"238\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/ENIG-process-1024x305.png\" class=\"attachment-large size-large wp-image-20173\" alt=\"PCB ENIG process\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/ENIG-process-1024x305.png 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/ENIG-process-300x89.png 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/ENIG-process-768x229.png 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/ENIG-process-1536x458.png 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/ENIG-process-18x5.png 18w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/ENIG-process.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<div class=\"elementor-element elementor-element-6d54235 elementor-widget elementor-widget-heading\" data-id=\"6d54235\" 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\">Pretreatment<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1714cc1 elementor-widget elementor-widget-text-editor\" data-id=\"1714cc1\" 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=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZLPZd6570onQxdxqZo7ciJQtnkf\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Mu3jd0siOoVGrsxoUyFcVSoGnLe\">The PCB goes through an initial cleaning by <strong>brushing or sandblasting<\/strong>. It is done to remove any loose particles from the manufacturing process.<\/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-e02cb73 elementor-widget elementor-widget-heading\" data-id=\"e02cb73\" 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\">Oil Removal<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e5db5e7 elementor-widget elementor-widget-text-editor\" data-id=\"e5db5e7\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-IEMXdCQomoZyWHxMDoBcDnQdnVg\">The PCB is immersed in a <strong>degreasing solution<\/strong> to remove any oils or grease present on the surface.<\/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-ba96520 elementor-widget elementor-widget-heading\" data-id=\"ba96520\" 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\">Water, Acid &amp; Water Washing<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ede5f8b elementor-widget elementor-widget-text-editor\" data-id=\"ede5f8b\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Mhwsdd82BoNDNvxboUyc23s6nWd\">The PCB is rinsed properly with water to remove any residues from the degreasing solution in oil removal. Then it is dipped in an a<strong>cid solution(HCl)<\/strong>, to clean and slightly etch the copper surface. Finally, the board is washed again with water to remove the acid.<\/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-a7cb98d elementor-widget elementor-widget-heading\" data-id=\"a7cb98d\" 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\">Micro-etching<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25cf43f elementor-widget elementor-widget-text-editor\" data-id=\"25cf43f\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-Jll7dsWrCoFxF3xuZj0cm3iTnog\">The board is immersed in a micro <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-etching-definition-types-process\/\">etching<\/a> solution (Na(2)S(2)O(8)\/H(2)SO(4)) to remove the oxide layer on the copper surface. This helps improve the bond of the electroless nickel layer with the PCB. It is also washed with water to remove any micro-etching solution.<\/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-c966db2 elementor-widget elementor-widget-heading\" data-id=\"c966db2\" 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\">Prepreg (H(2)SO(4))<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb577b4 elementor-widget elementor-widget-text-editor\" data-id=\"cb577b4\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-B8v7dqmIVoFydexzaThcZLYQnjh\">The board is then dipped in the <strong>dilute sulphuric acid<\/strong> to prepare the surface for activation.<\/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-dd3f7c3 elementor-widget elementor-widget-heading\" data-id=\"dd3f7c3\" 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\">Activation(Pd catalyst)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3808a70 elementor-widget elementor-widget-text-editor\" data-id=\"3808a70\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JafYdEC87oRyKcxJNsoclObjntd\">As the copper cannot start the nickel deposition reaction, it is exposed to a <strong>palladium(Pd) catalyst<\/strong>, which initiates the electroless nickel plating reaction. In the reaction, the palladium ion is converted to palladium metal and bonded to the copper layer. It is then washed with water to remove any excess palladium catalyst.<\/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-e7fd5f5 elementor-widget elementor-widget-heading\" data-id=\"e7fd5f5\" 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\">Chemical nickel (Ni-P)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fb716d elementor-widget elementor-widget-text-editor\" data-id=\"4fb716d\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-H227db4RsoNRVtxERUpcSBd2nDd\">The board is immersed in an <strong>electroless nickel plating bath<\/strong>. A chemical reaction deposits a uniform layer of nickel-phosphorus (Ni-P) alloy onto the activated copper surface. It helps to create a barrier between copper and gold and diffusion. Then, the board is again washed with water to remove the residual chemicals.<\/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-39d0dc9 elementor-widget elementor-widget-heading\" data-id=\"39d0dc9\" 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\">Immersion Gold Plating and Gold Recovery <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0372c02 elementor-widget elementor-widget-text-editor\" data-id=\"0372c02\" 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=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-DsNEdr9pvomV3mxpQHxcweo6nze\">The PCB is dipped in an immersion gold plating bath during this step. During this displacement reaction, gold ions in the solution are reduced and deposited onto the nickel layer on the other side.<\/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-e13ea01 elementor-widget elementor-widget-text-editor\" data-id=\"e13ea01\" 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=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-BbeLdccUjokSlixEvWbcY14xnGg\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JGaqdQw18o4cgYxtrJYcFGcynrb\">Finally, the PCB is rinsed with water. This helps to remove any remaining chemicals from the gold plating bath, giving a clean, finished surface.<\/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-0a81acc elementor-widget elementor-widget-heading\" data-id=\"0a81acc\" 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 and Disadvantages of PCB ENIG<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d124d58 elementor-widget elementor-widget-text-editor\" data-id=\"d124d58\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-P4cxd1xD5oBncJx7di4cUHYVnVe\">Although ENIG is favoured for its outstanding durability in <a href=\"https:\/\/www.elepcb.com\/pcb-manufacturing-process-and-services\/\">PCB manufacturing<\/a>, there are some drawbacks. When choosing a surface finish treatment form, consider your needs.<\/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<div class=\"elementor-element elementor-element-3b30bdd elementor-widget elementor-widget-heading\" data-id=\"3b30bdd\" 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\">Advantages<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6249258 elementor-widget elementor-widget-text-editor\" data-id=\"6249258\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-PJvhdhub1ofPb7x393pcq7Kinab\"><strong>Surface planarity:<\/strong> ENIG provides a very flat and plane surface. This is crucial for mounting fine-pitch and <a href=\"https:\/\/www.elepcb.com\/smt-pcb-service\/\">SMT<\/a> components. The uniformity of the ENIG finish also allows for reliable solder joints.<\/div><div class=\"ace-line ace-line old-record-id-TgwOdBSxjoFY5ux2YFVcbhffnEd\"><strong>Corrosion resistance:<\/strong> It is well-resistant to oxidation. The nickel and gold layers protect the copper traces, making it <strong><a href=\"https:\/\/www.elepcb.com\/blog\/rohs-compliance-for-circuit-board-manufacturing\/\">RoHS<\/a>-compliant.<\/strong><\/div><div class=\"ace-line ace-line old-record-id-MrRWdqOwto8mEBxA5dZcG1xLnrh\"><strong>Durability:<\/strong> The ENIG finish makes the PCB durable. The nickel layer provides a hard, wear-resistant surface that can withstand <a href=\"https:\/\/www.elepcb.com\/blog\/pcb-knowledge\/mechanical-stress-in-pcb-coating\/\">mechanical stress<\/a> and multiple reflow cycles.<\/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<div class=\"elementor-element elementor-element-bce1467 elementor-widget elementor-widget-heading\" data-id=\"bce1467\" 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\">Disadvantages<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d79783 elementor-widget elementor-widget-text-editor\" data-id=\"8d79783\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-YFHLdrpaGohE1CxEAFocZhennFs\">ENIG has some limitations, which we will discuss below:<\/div><ul><li class=\"ace-line ace-line old-record-id-W8Z5dGPcNonjsGxBvJYc1dMEnve\">It is expensive compared to other surface finishes, including <a href=\"https:\/\/www.elepcb.com\/blog\/hot-air-solder-leveling\/\">HASL<\/a>.<\/li><li class=\"ace-line ace-line old-record-id-YCU8dxx4KoGhXHxTvmZcwBTwnGf\">One of the most common issues in ENIG is <strong>black pad syndrome<\/strong>, where the nickel layer corrodes. This leads to poor solder joints and can cause the system or devices to fail.<\/li><li class=\"ace-line ace-line old-record-id-YLSTdS3FDovyLLxixZwcWTb0n0c\">The thickness of the gold<a href=\"https:\/\/www.elepcb.com\/blog\/pcb-layers\/\"> layer<\/a>\/surface in ENIG affects the circuit board&#8217;s performance. Achieving a consistent thickness of this layer is a daunting task.<\/li><li class=\"ace-line ace-line old-record-id-CxLmdIhqCo85TNxSW80c0HCFnPh\">The chemicals used in ENIG are harmful, so they need to be disposed of properly.<\/li><\/ul><\/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<div class=\"elementor-element elementor-element-6c104f4 elementor-widget elementor-widget-heading\" data-id=\"6c104f4\" 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>ENIG vs HASLvs ENEPIG<\/b><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b30c403 elementor-widget elementor-widget-image\" data-id=\"b30c403\" 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=\"800\" height=\"238\" src=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/surface-finish-method-comparison-1024x305.jpg\" class=\"attachment-large size-large wp-image-20174\" alt=\"surface finish method comparison\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/surface-finish-method-comparison-1024x305.jpg 1024w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/surface-finish-method-comparison-300x89.jpg 300w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/surface-finish-method-comparison-768x229.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/surface-finish-method-comparison-1536x458.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/surface-finish-method-comparison-18x5.jpg 18w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2024\/07\/surface-finish-method-comparison.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<div class=\"elementor-element elementor-element-8e7d4c4 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"8e7d4c4\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-OKBydIdcmohQHLxc9hCcEm2xnLg\">ENIG differs from other surface finishes in the following types:<\/div><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"true\"><table class=\"ace-table\" style=\"border: none; table-layout: fixed; width: 500px;\" data-ace-table-col-widths=\"169;223;223;306\"><colgroup> <col width=\"169\" \/> <col width=\"223\" \/> <col width=\"223\" \/> <col width=\"306\" \/><\/colgroup><tbody><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-JFqzdLoJQoz725xZmI4c6MMNn2b\" style=\"text-align: center;\"><strong>Features<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-M7EjdhXtEowoQrxV8ZwcpMEun1c\" style=\"text-align: center;\"><strong>ENIG (Electroless Nickel Immersion Gold)<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-R795dEqtgo2hb9xwn2KcMcxjnXL\" style=\"text-align: center;\"><strong>HASL (Hot Air Solder Leveling)<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-VKAFdTRtCoM6cqxWg8LcqwkqnOh\" style=\"text-align: center;\"><strong>ENEPIG<\/strong><\/div><div class=\"ace-line ace-line old-record-id-VKAFdTRtCoM6cqxWg8LcqwkqnOh\" style=\"text-align: center;\"><strong> (Electroless Nickel Electroless<\/strong><\/div><div class=\"ace-line ace-line old-record-id-VKAFdTRtCoM6cqxWg8LcqwkqnOh\" style=\"text-align: center;\"><strong> Palladium Immersion Gold)<\/strong><\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-DcscdHNtko4GlhxeBngcdzQynNd\"><strong>Composition<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-DMa6d0QbHoM0jvxi9HnctKzRnKg\">Nickel (3-6 \u00b5m)<\/div><div class=\"ace-line ace-line old-record-id-DMa6d0QbHoM0jvxi9HnctKzRnKg\">Gold (0.05-0.1 \u00b5m)<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-F1YgdLFevoRcqSxaKEpcJM8inUb\">Solder (Tin-Lead or Lead-Free)<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-VxjFdJGwNozzsnxOIw5cp3XInKK\">Nickel (3-6 \u00b5m)<\/div><div class=\"ace-line ace-line old-record-id-VxjFdJGwNozzsnxOIw5cp3XInKK\">Palladium (0.02-0.1 \u00b5m)<\/div><div class=\"ace-line ace-line old-record-id-VxjFdJGwNozzsnxOIw5cp3XInKK\">Gold (0.03-0.05 \u00b5m)<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-SkVMdKIq7oxm9uxmiVRcV4Gtnlh\"><strong>Process<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-BPmHd23SzoLz5QxeQYQc5FB5n4f\">Chemical deposition<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-LWqzdtCAQoXHR2xg04vcHLaYn1f\">Hot air leveling<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-QkOWdrCsoo6jfKx9oAlcj1Jwnwe\">Chemical deposition<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-BHo4dUrFRoCIwgx6JbncsLaGnzb\"><strong>Surface Planarity<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-Rc8Nd4NnCo4U1OxpLzycGakinJc\">Excellent<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-Q3pJdEM8NoCdUMxiNJccZpN3nWf\">Poor<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-Fw0jdfqPLoOTR5xRBOscvpKBnfd\">Excellent<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-BOZzdPeeBoj7GYxgg2fc7AD9nHb\"><strong>Solderability<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-FLYsdvV6ToHtAQx63YScXT4ZnFd\">Excellent<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-WBe5dKVj1oCYEPxRYMQcYGU8nYf\">Good<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-LfUvdAZpBoUg91x8oV6cmNAenCd\">Excellent<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-JtChd17BpoWP1RxbCd3csnwgn9d\"><strong>Durability<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-KALrdmKtMoFXVpxPDu6cxwbinId\">High<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-UjFWdFtsvo9onFxocJlcSjWPnCg\">Medium<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-A6b1dypDaoOmVBxJ5SQcDB8Zn2d\">High<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-Y7SGd0tCYopqyLxQLuucpf0Unsf\"><strong>Corrosion Resistance<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-BG9adwSUko3ih4xuKK6cQYdUnVd\">High<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-E7rId5SVQo8rxHxnZm7cGp3onbb\">Medium<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-UYUzdywR9o8xeKx5w5XcdACSnPg\">Very High<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-KtCIdn6L7o2a2Qxgs6Oc7QScnpf\"><strong>Shelf Life<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-WKQjdb81OoOFpSxp6FwcrrtInFh\">Long<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-HXsKdmSxXoPr90xDDLUcnZjtnFe\">Medium<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-JCKfdR0Xjoqs6ixILgfcfOrsnpb\">Long<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-VabjdnAvvo9UkAxlkLIcSdq8nNc\"><strong>Cost<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-DhZJdQIXHo01jQxQvaJcLWR3nNg\">Medium<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-VliId5rkuo9QruxahKvcOVB8nVf\">Low<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-ErVJdHeBoobVsBxl7MhcziGon7c\">High<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-IyIDdaHvvo6ezHxhlQNcFFoEn4e\"><strong>Environmental Impact<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-VWR3djuKpowLzMxKbkec9MWMn0d\">Medium<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-Mh10drFK8odZrpxfI47cY5ian6f\">High (for leaded HASL)<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-IW3mdo8GPo85LlxSyBfcUSxXnjd\">Medium<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-KkZ2dnLIhoBXwfxEly1cWFJNnGb\"><strong>Common Issues<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-DuSLdKsfyotv6rx3MdIcoGbxntc\">Black Pad Syndrome<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-YPd0d0SpBomXaixPGjXc68BKnNb\">Uneven surface<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-Bfhydk3VKoYL5MxQHQAcaR6RnVf\">High cost<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-R6wVdS1b2owwPRxrlhRcrWjnnFc\"><strong>Applications<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-CqSRdy80wo4nycxhQJKc9XEBnLX\">High-density PCBs, fine-pitch components<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-PvHDdpxA1otB8UxBtyXcRWoXnob\">General-purpose PCBs<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-HhfqdOYPGoWhhaxa49ccFCDxncd\">High-reliability applications<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-TYF2dwic7oxic6xmLSAcFCgfnRY\"><strong>Thickness Control<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-YXvBdpRPRoWgjGxCRILcq3opndd\">Good<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-TZXQdIhwWoSVcdxYQBhc9I21nzd\">Poor<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-T2mqdrG7wo1vJ2xoS1ccj2aBnDf\">Good<\/div><\/td><\/tr><tr style=\"height: 39px;\"><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-NO8kdBkG3ovrbxxrqDNcHf5dntb\"><strong>Thermal Performances<\/strong><\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-UHKCdfiEKo3Vttx82UrcE00UnJe\">Good<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-Kw9ad1z0Nog3Z1xya1qcnplUnMc\">Variable<\/div><\/td><td style=\"border-color: #dee0e3; font-size: 10pt; padding: 8px;\" colspan=\"1\" rowspan=\"1\"><div class=\"ace-line ace-line old-record-id-WiC8denrUoU9xGxkxobcxvpvnpc\">Excellent<\/div><\/td><\/tr><\/tbody><\/table><\/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<div class=\"elementor-element elementor-element-6c27852 elementor-widget elementor-widget-heading\" data-id=\"6c27852\" 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-d5a8c5e elementor-widget elementor-widget-text-editor\" data-id=\"d5a8c5e\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\" old-record-id-DxbndM2m7ovBZBxTpjRchCHEnRh\">PCB ENIG plating is essential to protect the copper (exposed) from oxidation. It is one of the best surface finishes for wire bonding because of its highly conductive surface. It offers significant advantages in <a href=\"https:\/\/www.elepcb.com\/pcb-manufacturing-process-and-services\/\">PCB manufacturing<\/a>, mainly on <strong>high-density boards.<\/strong> Furthermore, it is one of the popular surface findings because of its excellent corrosion resistance. So, if you are looking for a surface finish that <span style=\"color: #008000;\"><strong>provides both effective functionality and environmental compliance<\/strong><\/span>, then ENIG is a great choice today.<\/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<div class=\"elementor-element elementor-element-c1dd5a4 elementor-widget elementor-widget-text-editor\" data-id=\"c1dd5a4\" 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=\"KHt7dfI87ovw2WxqCl2cU5HrnAb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XLT6dI7hzoJQsjxqq0QcfmIJnKc\"><div data-page-id=\"JJqidAkc4o8Ha2xNMZjc8iVEnnd\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-ZlRZdtbgMomAuqxeQwAcqkUpnLL\"><div data-page-id=\"C7kadMvWBoLcoaxp16dcA1WpnYg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-doxcnzTd6F6qWM9mYNepiVZmApf\"><div data-page-id=\"MeuBdRwOzotJIExk6T6c5yscnJg\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XxHfdMj5golYSbxSrHCcp7r6nhg\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XAdyd8RZ5obnaPx4NaBcZszpn2c\"><div data-page-id=\"Cfz7dsVfeoADJlxTR4CcLXqOnub\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-RLpGdv3v7oLOzFxzCuKcsFcen0e\"><div data-page-id=\"RQBydtkkroEcKQxh66WckJLvnCb\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-JbgDdM6h7oDKK5x3f3ccLyfinac\">So, learn and explore more about PCB manufacturing with ENIG surface finish with ELEPCB. <em><strong><a href=\"https:\/\/www.elepcb.com\/\">Contact us<\/a> today to learn more about your project requirements and request a quote to know more!<\/strong><\/em><\/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-top-section elementor-element elementor-element-17b508f8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"17b508f8\" 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-2015d736\" data-id=\"2015d736\" 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-4e1ea037 elementor-widget elementor-widget-toggle\" data-id=\"4e1ea037\" 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-1311\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1311\" 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: What is the typical thickness range for ENIG's gold and nickel layers?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1311\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1311\"><div data-page-id=\"K5cQdPyqAoIVz9xiCVzcrjK4n2e\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div><div data-page-id=\"PzvadCyLxoGC6axfsi0cBB2BnWf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div><p>A1: According to IPC-4552 standards, the nickel layer in ENIG ranges from 100-250 micro inches (4-7 \u03bcm), while the immersion gold layer is 2-8 micro inches (0.05-0.23 \u03bcm) thick. This precise thickness ensures oxidation resistance while maintaining solderability.<\/p><\/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-1312\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1312\" 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: Why is ENIG more expensive than HASL surface finish?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1312\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1312\"><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: ENIG costs 15-30% more than HASL due to its complex two-step chemical process (electroless nickel + immersion gold), higher-priced materials (gold\/palladium), and stricter process controls. However, it provides superior flatness for fine-pitch components and RoHS compliance.<\/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-1313\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1313\" 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:  How does \"Black Pad Syndrome\" affect ENIG PCBs?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1313\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1313\"><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: Black Pad Syndrome occurs when hyper-corrosion of the nickel-phosphorus (Ni-P) layer creates brittle nickel oxides at the nickel-gold interface. This causes weak solder joints, intermittent connections, and potential device failure. It\u2019s often triggered by improper pH control or contaminated gold baths during processing.<\/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-1314\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1314\" 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: Is ENIG surface finish RoHS compliant?<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1314\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1314\"><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, ENIG is fully RoHS compliant as it uses zero lead in its plating process. Both nickel and gold layers meet EU hazardous substance restrictions (Directive 2011\/65\/EU), making it ideal for medical, automotive, and consumer electronics.<\/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-4c6875a1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4c6875a1\" 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-669bbdc9\" data-id=\"669bbdc9\" 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-5cd7561c elementor-widget elementor-widget-shortcode\" data-id=\"5cd7561c\" 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, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-1536x1024.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/contact-us-2048x1365.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-25 elementor-top-column elementor-element elementor-element-a17958a\" data-id=\"a17958a\" 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-4326577 elementor-widget elementor-widget-image\" data-id=\"4326577\" 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-1-768x1024.jpg\" class=\"attachment-large size-large wp-image-15778\" alt=\"pcb and pcba products 2\" srcset=\"https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-768x1024.jpg 768w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-225x300.jpg 225w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-1152x1536.jpg 1152w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-1536x2048.jpg 1536w, https:\/\/www.elepcb.com\/wp-content\/uploads\/2023\/03\/white-bg-1-scaled.jpg 1921w\" 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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3dd32bd7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3dd32bd7\" 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-30e73de5\" data-id=\"30e73de5\" 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-6e6f562b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e6f562b\" 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-33 elementor-inner-column elementor-element elementor-element-1aae434c\" data-id=\"1aae434c\" 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<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-7de62f23\" data-id=\"7de62f23\" 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-225d5b79 elementor-widget elementor-widget-text-editor\" data-id=\"225d5b79\" 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<p style=\"font-family: Oswald, sans-serif; margin: 0px; padding: 0px 0px 10px; line-height: 1.125em; font-size: 32px; text-transform: uppercase; text-align: center; color: #0a1f34;\">CONTACT US<\/p><div class=\"textwidget\"><div id=\"wpcf7-f5-p60-o1\" class=\"wpcf7\" dir=\"ltr\" lang=\"en-US\" role=\"form\"><div class=\"screen-reader-response\" style=\"position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0px; overflow: hidden; clip: rect(0px, 0px, 0px, 0px); border: 0px;\"><p style=\"font-size: 15px; line-height: 1.58em; margin-right: auto; margin-bottom: 0px; margin-left: auto; padding: 25px 0px 15px; text-align: center; max-width: 846px;\" role=\"status\" aria-live=\"polite\" aria-atomic=\"true\">\u00a0<\/p><\/div><form id=\"cf7-form-5\" class=\"wpcf7-form init cf7mls-no-scroll cf7mls-no-moving-animation\" style=\"position: relative; overflow: hidden;\" action=\"https:\/\/www.mclpcb.com\/capabilities\/#wpcf7-f5-p60-o1\" method=\"post\" novalidate=\"novalidate\" data-status=\"init\" data-fx-id=\"1587946425258918\"><div class=\"contact-inner\" style=\"max-width: 846px; margin: 0px auto;\"><p style=\"font-size: 15px; line-height: 1.58em; margin-right: auto; 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\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"2056\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"5782c747\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"An Ultimate Guide to PCB Inspection Methods-ELE PCB\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"4187\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tYour Name\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-message elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail Address\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[message]\" id=\"form-field-message\" class=\"elementor-field elementor-size-sm  elementor-field-textual\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column 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 ENIG (Electroless Nickel Immersion Gold) is the go-to surface finish for high-reliability PCBs in aerospace and medical devices. But is it right for your project? What is the difference between the different surface finish forms? ELEPCB will \u00a0give a comprehensive guide to Electroless Nickel Immersion Gold Surfacing (ENIG), its pros and cons, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12690,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[129],"class_list":["post-12688","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-pcb-manufacturing"],"_links":{"self":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/12688","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/comments?post=12688"}],"version-history":[{"count":21,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/12688\/revisions"}],"predecessor-version":[{"id":20180,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/posts\/12688\/revisions\/20180"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media\/12690"}],"wp:attachment":[{"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/media?parent=12688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/categories?post=12688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.elepcb.com\/it\/wp-json\/wp\/v2\/tags?post=12688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}