{"id":4962,"date":"2025-02-14T17:05:03","date_gmt":"2025-02-14T09:05:03","guid":{"rendered":"http:\/\/www.bestpcbs.com\/blog\/?p=4962"},"modified":"2025-02-14T17:11:18","modified_gmt":"2025-02-14T09:11:18","slug":"what-is-pcb-sbu-technology-hdi-pcb-manufacturer","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/","title":{"rendered":"What is pcb sbu technology? HDI PCB manufacturer"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/#What_is_pcb_sbu_technology\" >What is pcb sbu technology?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/#What_is_HDI_PCB\" >What is HDI PCB?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/#What_is_a_buried_hole\" >What is a buried hole?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/#What_is_a_blind_hole\" >What is a blind hole?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/#What_is_a_microvia\" >What is a microvia?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/#What_are_the_advantages_of_Sbu_technology\" >What are the advantages of Sbu technology?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/#What_is_the_difference_between_PCB_substrate_and_laminate\" >What is the difference between PCB substrate and laminate?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/#What_is_the_difference_between_PCB_and_package_substrate\" >What is the difference between PCB and package substrate?<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div>\n<p><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/\" title=\"\">What is pcb sbu technology? <\/a>SBU technology in PCB refers to &#8220;Sequential Build Up&#8221;, which is a technology used to manufacture high-density interconnect (HDI) multi-layer PCBs. It achieves higher wiring density and smaller board size by stacking additional conductive and insulating layers layer by layer on the basis of traditional multi-layer boards and using micro-vias (blind or buried vias) to achieve inter-layer connections.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/PCB-SBU.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"741\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/PCB-SBU-1024x741.png\" alt=\"What is pcb sbu technology? HDI PCB manufacturer\" class=\"wp-image-4963\" style=\"width:568px;height:auto\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/PCB-SBU-1024x741.png 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/PCB-SBU-300x217.png 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/PCB-SBU-768x556.png 768w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/PCB-SBU-1536x1111.png 1536w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/PCB-SBU-2048x1482.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_pcb_sbu_technology\"><\/span>What is pcb sbu technology?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>PCB SBU technology stands for Sequential Build Up technology. It is an advanced process used in the manufacturing of <a href=\"https:\/\/www.bestpcbs.com\/products\/HDI-board.htm\" title=\"\">high-density interconnect (HDI)<\/a> PCBs.<\/p>\n\n\n\n<p>This technique involves building up multiple layers of a PCB in a sequential manner, typically starting from the inner layer and adding layers progressively.<\/p>\n\n\n\n<p>Each layer is added using specialized processes that make it possible to create smaller vias, more complex routing, and finer features compared to traditional PCB manufacturing.<\/p>\n\n\n\n<p>SBU technology is essential in HDI PCB production, which is commonly used in devices that require high performance in a compact form factor, such as smartphones, medical devices, automotive electronics, and other modern electronic systems.<\/p>\n\n\n\n<p>By using SBU technology, multiple layers can be stacked with precision while maintaining the electrical performance and signal integrity required by these applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_HDI_PCB\"><\/span>What is HDI PCB?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>An <a href=\"https:\/\/www.bestpcbs.com\/products\/HDI-board.htm\" title=\"\">HDI PCB (High-Density Interconnect PCB)<\/a> is a type of printed circuit board that offers higher density and more compact designs.<\/p>\n\n\n\n<p>HDI PCBs are designed to handle fine-pitch components, high-frequency signals, and miniaturized electronic devices. They use advanced manufacturing techniques such as microvias, blind vias, and buried vias, making them the preferred choice for high-performance applications.<\/p>\n\n\n\n<p><strong>HDI boards are typically characterized by:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Smaller and finer traces<\/strong> \u2013 Supporting higher component density.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Microvias<\/strong> \u2013 Very small holes used to connect different layers in the PCB.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Blind and buried vias<\/strong> \u2013 Vias that only connect specific layers, improving space utilization.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stacked or staggered via construction<\/strong> \u2013 For reducing board size and increasing routing flexibility.<\/li>\n<\/ul>\n\n\n\n<p>By leveraging HDI technology, manufacturers can create more compact and efficient PCBs that perform exceptionally well in the most demanding electronic applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_buried_hole\"><\/span>What is a buried hole?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A buried hole is a via that connects two inner layers of a PCB but does not go through the entire thickness of the board. These vias are entirely enclosed within the PCB layers and are not visible on the outer surfaces.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-3.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"465\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-3-1024x465.jpg\" alt=\"What is pcb sbu technology? HDI PCB manufacturer\" class=\"wp-image-4964\" style=\"width:568px;height:auto\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-3-1024x465.jpg 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-3-300x136.jpg 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-3-768x349.jpg 768w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-3-1536x698.jpg 1536w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-3-2048x931.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<p>Buried holes are commonly used in HDI designs to enable multi-layer connections while optimizing the space on the outer layers for components and routing.<\/p>\n\n\n\n<p><strong>How Buried Holes Benefit PCB Design:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Maximized board space<\/strong> \u2013 Since they don&#8217;t take up space on the outer layers.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Reduced signal interference<\/strong> \u2013 By isolating inner-layer connections from the external surface.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Improved electrical performance<\/strong> \u2013 Essential for high-speed, high-frequency designs.<\/li>\n<\/ul>\n\n\n\n<p>Buried holes are particularly beneficial in high-performance electronic devices that require dense component placement without compromising the integrity of the signal paths.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_blind_hole\"><\/span>What is a blind hole?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A blind hole is a via that connects an outer layer to one or more inner layers of the PCB, but does not extend all the way through the board.<\/p>\n\n\n\n<p>It is &#8220;blind&#8221; because it doesn\u2019t go all the way through the PCB like a through-hole. These types of vias are often used when connections need to be made between surface components and inner layers without occupying precious outer-layer space.<\/p>\n\n\n\n<p><strong>Benefits of Blind Holes:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Space-saving<\/strong> \u2013 No need for holes that go all the way through the board.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enhanced routing flexibility<\/strong> \u2013 Allows for more efficient use of the board\u2019s surface.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Reduced component size<\/strong> \u2013 Perfect for designs with high-density components that need a compact form.<\/li>\n<\/ul>\n\n\n\n<p>Blind vias help ensure that HDI boards can be designed with multiple layers, allowing for more complex circuits without increasing board size. They are ideal for devices with multi-functional, high-density circuit layouts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_microvia\"><\/span>What is a microvia?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A microvia is a very small via used in HDI PCB designs to create electrical connections between the layers. Microvias are typically laser-drilled, allowing for precise and tiny holes that are ideal for high-density applications.<\/p>\n\n\n\n<p>They generally have a diameter of less than 150 microns, making them perfect for high-frequency, high-speed circuits that need to minimize space without sacrificing performance.<\/p>\n\n\n\n<p><strong>Key Advantages of Microvias:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Reduced board size<\/strong> \u2013 Enables more compact designs without compromising performance.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Improved electrical performance<\/strong> \u2013 Allows for shorter signal paths and fewer signal losses.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Better signal integrity<\/strong> \u2013 Minimizes the risk of signal interference and distortion.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enhanced routing flexibility<\/strong> \u2013 Provides designers with more options for creating high-density, complex circuits.<\/li>\n<\/ul>\n\n\n\n<p>Microvias are indispensable for modern PCB designs that demand high performance, miniaturization, and advanced electrical features.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_advantages_of_Sbu_technology\"><\/span>What are the advantages of Sbu technology?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Sequential Build-Up (SBU) technology offers several key advantages, especially in the production of HDI PCBs.<\/p>\n\n\n\n<p>By allowing for the precise construction of <a href=\"https:\/\/www.bestpcbs.com\/products\/multi-layer-pcb.htm\" title=\"\">multi-layered boards<\/a> with intricate features, SBU technology helps manufacturers achieve designs that would be impossible with traditional PCB technologies.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-1-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"666\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-1-1024x666.jpg\" alt=\"What is pcb sbu technology? HDI PCB manufacturer\" class=\"wp-image-4965\" style=\"width:561px;height:auto\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-1-1024x666.jpg 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-1-300x195.jpg 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-1-768x499.jpg 768w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-1-1536x998.jpg 1536w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-1-2048x1331.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<p><strong>Key Benefits of SBU Technology:<\/strong><\/p>\n\n\n\n<p>Enhanced Performance in Smaller Footprints \u2013 By using fine-pitch components, microvias, and blind or buried vias, SBU technology enables the creation of small, highly efficient circuits.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Faster Production Cycle <\/strong>\u2013 The sequential build-up process reduces the overall time required to produce <a href=\"https:\/\/www.bestpcbs.com\/products\/multi-layer-pcb.htm\" title=\"\">multi-layer boards<\/a> compared to conventional methods.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cost-Effective for Prototyping<\/strong> \u2013 Ideal for low to medium-volume runs, where modifications can be made quickly without the need for large-scale tooling changes.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Better Signal Integrity<\/strong> \u2013 The small via sizes and precise routing make SBU technology particularly effective for high-speed, high-frequency designs.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flexibility in Layer Design<\/strong> \u2013 SBU allows for a more flexible design process, offering greater options in terms of layer stack-ups and via types.<\/li>\n<\/ul>\n\n\n\n<p>Overall, SBU technology empowers PCB designers to achieve advanced, high-performance circuits while maintaining cost-effectiveness and design flexibility.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_PCB_substrate_and_laminate\"><\/span>What is the difference between PCB substrate and laminate?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The terms substrate and laminate are often used interchangeably in the context of PCB manufacturing, but they refer to different parts of the PCB construction process.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Substrate<\/strong> \u2013 The substrate is the core material of the PCB. It is typically made of fiberglass (<a href=\"https:\/\/www.bestpcbs.com\/products\/FR4-pcb.htm\" title=\"\">FR4<\/a>) or <a href=\"https:\/\/www.bestpcbs.com\/products\/ceramic-pcb.htm\" title=\"\">ceramic <\/a>and provides the foundational structure on which the circuit layers are built.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Laminate<\/strong> \u2013 A laminate refers to the outer layer material that is bonded to the substrate. It is often a combination of resins and copper foil.<\/li>\n<\/ul>\n\n\n\n<p><strong>Key Differences:<\/strong><\/p>\n\n\n\n<p>Substrate is the primary base material, while laminate is used to build up the layers on top of the substrate.<\/p>\n\n\n\n<p>Substrate provides mechanical support, whereas laminate contributes to the board\u2019s electrical properties.<\/p>\n\n\n\n<p>Both are crucial components in the production of HDI PCBs and other advanced circuit boards, ensuring strength, reliability, and functionality.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_PCB_and_package_substrate\"><\/span>What is the difference between PCB and package substrate?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The main difference between a PCB substrate and a package substrate lies in their intended function and design:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PCB Substrate<\/strong> \u2013 Primarily used for circuit boards, these substrates provide structural support for the PCB&#8217;s electrical connections.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-2-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"601\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-2-1024x601.jpg\" alt=\"What is pcb sbu technology? HDI PCB manufacturer\" class=\"wp-image-4966\" style=\"width:474px;height:auto\" srcset=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-2-1024x601.jpg 1024w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-2-300x176.jpg 300w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-2-768x451.jpg 768w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-2-1536x902.jpg 1536w, https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/02\/SBU-2-2048x1203.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Package Substrate<\/strong> \u2013 This is used in chip packaging and provides connections between the chip and the external circuit.<\/li>\n<\/ul>\n\n\n\n<p>The PCB substrate is mainly concerned with signal routing and electrical connections, while the package substrate focuses more on chip integration and interfacing with external systems.<\/p>\n\n\n\n<p><strong>Conclusion:<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/02\/what-is-pcb-sbu-technology-hdi-pcb-manufacturer\/\" title=\"\">PCB SBU technology<\/a> has revolutionized the way high-density interconnect (HDI) PCBs are designed and manufactured.<\/p>\n\n\n\n<p>At EBest Circuit (Best Technology), we leverage our extensive expertise and advanced manufacturing capabilities to produce top-tier HDI PCBs with SBU technology. For inquiries, contact us at: <strong><a href=\"mailto:sales@bestpcbs.com\">sales@bestpcbs.com<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is pcb sbu technology? SBU technology in PCB refers to &#8220;Sequential Build Up&#8221;, which is a technology used to manufacture high-density interconnect (HDI) multi-layer PCBs. It achieves higher wiring density and smaller board size by stacking additional conductive and insulating layers layer by layer on the basis of traditional multi-layer boards and using micro-vias [&hellip;]<\/p>\n","protected":false},"author":32826,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[175,174,37,166,16],"tags":[108,762,763],"class_list":["post-4962","post","type-post","status-publish","format-standard","hentry","category-best-pcb","category-bestpcb","category-faq","category-hdi-pcb","category-pcb-technology","tag-hdi-pcb","tag-pcb-sbu","tag-sbu-pcb"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/4962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/users\/32826"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/comments?post=4962"}],"version-history":[{"count":3,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/4962\/revisions"}],"predecessor-version":[{"id":4970,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/posts\/4962\/revisions\/4970"}],"wp:attachment":[{"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/media?parent=4962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/categories?post=4962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bestpcbs.com\/blog\/wp-json\/wp\/v2\/tags?post=4962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}