{"id":45277,"date":"2024-09-05T08:28:15","date_gmt":"2024-09-05T15:28:15","guid":{"rendered":"https:\/\/www.cohu.com\/?p=45277"},"modified":"2025-04-09T00:54:20","modified_gmt":"2025-04-09T07:54:20","slug":"legacy-process-nodes-are-critical-to-many-industries","status":"publish","type":"post","link":"https:\/\/www.cohu.com\/tignis\/legacy-process-nodes-are-critical-to-many-industries\/","title":{"rendered":"Legacy Process Nodes are Critical to Many Industries"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m8g28v5p-746d8baae8d89148fb421ccddfa3a141\">\n.avia-section.av-m8g28v5p-746d8baae8d89148fb421ccddfa3a141 .av-parallax .av-parallax-inner{\nbackground-repeat:no-repeat;\nbackground-image:url(\/wp-content\/uploads\/2025\/03\/resources-banner-1500x333.jpg);\nbackground-position:50% 50%;\nbackground-attachment:scroll;\n}\n.avia-section.av-m8g28v5p-746d8baae8d89148fb421ccddfa3a141 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class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ig608p-4f8d1c0453663a84f522f5ebe321d648\">\n.flex_column.av-ig608p-4f8d1c0453663a84f522f5ebe321d648{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-ig608p-4f8d1c0453663a84f522f5ebe321d648 av_one_full  avia-builder-el-1  avia-builder-el-no-sibling  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb\">\n#top .av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb{\npadding-bottom:10px;\ncolor:#ffffff;\nfont-size:3.5vw;\n}\nbody .av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .av-special-heading-tag{\nfont-size:3.5vw;\n}\n.av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .special-heading-inner-border{\nborder-color:#ffffff;\n}\n.av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .av-subheading{\nfont-size:25px;\n}\n\n@media only screen and (min-width: 768px) and (max-width: 989px){ \n#top #wrap_all .av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .av-special-heading-tag{\nfont-size:50px;\n}\n.av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .av-subheading{\nfont-size:25px;\n}\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .av-special-heading-tag{\nfont-size:47px;\n}\n.av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .av-subheading{\nfont-size:20px;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .av-special-heading-tag{\nfont-size:33px;\n}\n.av-special-heading.av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb .av-subheading{\nfont-size:15px;\n}\n}\n<\/style>\n<div  class='av-special-heading av-m8g29ww6-7c8f5d1e1b0dcf1d73c51bc2382622fb av-special-heading-h1 custom-color-heading blockquote modern-quote  avia-builder-el-2  avia-builder-el-no-sibling  av-inherit-size av-linked-heading'><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >PHYSICS, MACHINES AND DATA<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-45277'><div class='entry-content-wrapper clearfix'>\n<section  class='av_textblock_section av-m8j77h33-1fc7d4d75db3cf7fa778a7854351a78c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">Legacy Process Nodes are Critical to Many Industries<\/h1>\n<\/div><\/section>\n<div  class='av-post-metadata-container av-m8j5u2ic-153fe0332261bac4c61a77a678ca1977 av-metadata-container-align-center  avia-builder-el-4  el_after_av_textblock  el_before_av_hr  av-metadata-container-1'><div class='av-post-metadata-container-inner'><span class=\"av-post-metadata-content av-post-metadata-meta-content\"><span class=\"av-post-metadata-content av-post-metadata-published\"><span class=\"av-post-metadata-published-date\" >5. September 2024<\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\">\/<\/span><span class=\"av-post-metadata-content av-post-metadata-category\"><span class=\"av-metadata-before av-metadata-before-categories\">in<\/span><span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/www.cohu.com\/category\/tignis-news\/\" >Tignis News<\/a><\/span><\/span><\/span><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m8j5v5vc-d7a68dccff0196cf338cb50c25aa15b2\">\n#top .hr.hr-invisible.av-m8j5v5vc-d7a68dccff0196cf338cb50c25aa15b2{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-m8j5v5vc-d7a68dccff0196cf338cb50c25aa15b2 hr-invisible  avia-builder-el-5  el_after_av_post_metadata  el_before_av_one_full '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-84nirh-2573d3f0d18d6ff1bad09211234f04f8 av_one_full  avia-builder-el-6  el_after_av_hr  el_before_av_hr  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m8g2v7tl-233171ba07129d321f4d4e6f55ec608c\">\n.avia-image-container.av-m8g2v7tl-233171ba07129d321f4d4e6f55ec608c img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m8g2v7tl-233171ba07129d321f4d4e6f55ec608c .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m8g2v7tl-233171ba07129d321f4d4e6f55ec608c av-styling- avia-align-center  avia-builder-el-7  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-45208 avia-img-lazy-loading-not-45208 avia_image ' src=\"\/wp-content\/uploads\/2025\/03\/shutterstock_1342400177-scaled-e1725523468556-1500x630.jpg\" alt='A large square on a circuit board with a blue color overlay. Beams of light of varying heights are coming up from the center of the square' title='shutterstock_1342400177-scaled-e1725523468556'  height=\"630\" width=\"1500\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1qfqr25-f282c28b3a2027a2e85c4f1bea29dcb0\">\n#top .hr.hr-invisible.av-1qfqr25-f282c28b3a2027a2e85c4f1bea29dcb0{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-1qfqr25-f282c28b3a2027a2e85c4f1bea29dcb0 hr-invisible  avia-builder-el-8  el_after_av_one_full  el_before_av_one_full '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-19v49r1-4c29ced287ceab51165e24d028af3cf3 av_one_full  avia-builder-el-9  el_after_av_hr  avia-builder-el-last  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m8g2w0bl-5fe0ba79fc289edee0ea041851b89148\">\n#top .av_textblock_section.av-m8g2w0bl-5fe0ba79fc289edee0ea041851b89148 .avia_textblock{\nfont-size:20px;\n}\n<\/style>\n<section  class='av_textblock_section av-m8g2w0bl-5fe0ba79fc289edee0ea041851b89148 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><blockquote>\n<p class=\"elementor-heading-title elementor-size-xxl\">As the semiconductor industry continues to push the boundaries of innovation with advanced nodes, it is easy to overlook the critical role that ICs manufactured at legacy process nodes play in our everyday lives.<\/p>\n<\/blockquote>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-wx008t-23d86c565511a481c2dc1258c80cbd19\">\n#top .hr.hr-invisible.av-wx008t-23d86c565511a481c2dc1258c80cbd19{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-wx008t-23d86c565511a481c2dc1258c80cbd19 hr-invisible  avia-builder-el-11  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m8g2wtqy-9d8da27f64d89571a2f88bc7428e3eea\">\n#top .av_textblock_section.av-m8g2wtqy-9d8da27f64d89571a2f88bc7428e3eea .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-m8g2wtqy-9d8da27f64d89571a2f88bc7428e3eea '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>While the spotlight often shines on the leading-edge advancements of 5nm technology and below, it\u2019s the mature nodes, those above 28nm and even above 130nm, that are the unsung chips that underpin a vast array of industries and applications. These mature node devices are indispensable, providing the backbone for electronic systems from automotive electronics to consumer products and industrial equipment.<\/p>\n<p>Looking into the challenges and opportunities facing legacy semiconductor manufacturers, you will learn why maintaining robust production capabilities for these nodes is more important than ever.<\/p>\n<p><strong>The Automotive Industry: A Case Study in Dependence on Legacy Nodes<\/strong><\/p>\n<p>The automotive industry offers a stark reminder of the importance of legacy nodes. During the COVID-19 pandemic, the world witnessed a dramatic slowdown in vehicle production due to a shortage of semiconductors. Notably, it wasn\u2019t the most advanced chips that were the primary issue, but the mature node devices that were essential for basic automotive functions such as steering, braking and engine control.<\/p>\n<p>The situation became so dire that some automakers were forced to halt production lines resulting in more than 600,000 fewer vehicles produced in Q1 2021 according to HIS Markit. This crisis highlighted the fragility of today\u2019s global supply chains and underscored the critical need for reliable access to legacy semiconductors. As vehicles become increasingly electrified, the demand for legacy chips (in addition to advanced ICs) will only grow, cementing their importance even more.<\/p>\n<p><strong>Beyond Autos: Everyday Essentials Powered by Legacy Nodes<\/strong><\/p>\n<p>While the automotive sector is a very high-profile example, semiconductors manufactured at mature process nodes are essential across many other industries as well. Consider the everyday items that we often take for granted: televisions, refrigerators, coffee machines, and Wi-Fi routers. These products all rely on mature semiconductor process technology. Unlike their advanced counterparts, which are typically focused on high-performance computing and specialized applications, legacy nodes offer the perfect balance of performance, cost, and reliability for mass-market high-volume products.<\/p>\n<p>Their well-established manufacturing processes result in higher yields and lower defect rates, translating into cost-effective products for consumers, and predictable profitability for manufacturers. For these reasons, the demand for legacy nodes remains strong.<\/p>\n<p><strong>Industrial and Military Applications<\/strong><\/p>\n<p>Legacy nodes are also critical in industrial and military applications where reliability and durability are paramount. Industrial control systems, used in manufacturing equipment and process automation, rely on mature node ICs to ensure stable and uninterrupted operations. The ability to perform consistently in harsh environments makes these chips ideal for such applications.<\/p>\n<p>In the military sector, legacy semiconductors are used in avionics, communication systems, radar, and missile guidance systems. These applications require chips that can withstand extreme conditions and provide long-term reliability, traits that are hallmarks of mature node process technology.<\/p>\n<p><strong>The Pandemic\u2019s Legacy Chip Shortage: A Wake-Up Call<\/strong><\/p>\n<p>The COVID-19 pandemic served as a stark reminder of American (and global) dependency on legacy semiconductors. According to the U.S. Department of Commerce, firms faced their most acute shortages in chips at the 40nm node or larger. This shortage was a result of disrupted supply chains and a surging demand for consumer electronics and work-from-home devices, which further stressed production capacity for legacy chips. As consumers found out, the semiconductor industry cannot simply add more production capacity, it takes years to bring additional manufacturing capacity online.<\/p>\n<p>This situation highlighted the critical need to enhance domestic manufacturing capabilities for both legacy and advanced semiconductors. The U.S. automotive and electronics industry\u2019s reliance on these chips underscores the economic and strategic importance of maintaining robust legacy (and advanced) manufacturing capabilities.<\/p>\n<p><strong>The Path Forward for Legacy Manufacturers<\/strong><\/p>\n<p>For legacy semiconductor manufacturers, the path forward requires a delicate balance act between maintaining and upgrading existing fabs and investing in new production capabilities. Many legacy fabs are now over two decades old with equally aged manufacturing equipment and most likely with a significant percentage of its workforce nearing retirement. AI\/ML can provide legacy fab managers with a two-pronged approach to these challenges: Improving fab profitability through higher OEE by leveraging all the data generated and collected across the fab to identify critical process and maintenance issues before they negatively impact manufacturing. The second benefit of AI\/ML is to preserve the institutional and tribal process knowledge in your subject matter experts and democratize it across your entire manufacturing workforce.<\/p>\n<p>For semiconductor companies building new fabs to increase capacity, the capital outlay is enormous, and it is vital to have those fabs reach high-volume production as soon as possible. AI\/ML can help here as well, by leveraging the optimized process and equipment maintenance knowledge that was captured by the machine learning models from your existing fabs and using that knowledge to accelerate the yield ramp in your new fab.<\/p>\n<p>Legacy process nodes are the unsung heroes of the semiconductor industry. Their critical role in powering a wide range of applications, from automotive and consumer electronics to industrial and military systems, cannot be overstated. As we continue to navigate the post-pandemic world, the importance of maintaining strong production capabilities for these mature nodes is more evident than ever.<\/p>\n<p>For a deeper dive into the significance of legacy nodes and their role in the semiconductor industry, I encourage you to read the comprehensive SemiEngineering article that inspired this blog. Understanding the nuances and complexities of legacy semiconductor manufacturing will help us appreciate the vital role these technologies play in our modern world.<\/p>\n<p>Read the full SemiEngineering article <a href=\"https:\/\/lnkd.in\/e7vsUT4G\">https:\/\/lnkd.in\/e7vsUT4G<\/a>. Stay informed and stay ahead in the ever-evolving world of semiconductors.<\/p>\n<p>#Semiconductor #AI #ML #Innovation #Tignis #LegacyNodes #AutomotiveIndustry #TechInnovation #ConsumerElectronics<\/p>\n<p>References:<\/p>\n<ul>\n<li>\u201cLegacy Process Nodes Going Strong,\u201d SemiEngineering: <a href=\"https:\/\/semiengineering.com\/legacy-process-nodes-going-strong\">https:\/\/semiengineering.com\/legacy-process-nodes-going-strong<\/a><\/li>\n<li>Marco Mezger LinkedIn post: <a href=\"https:\/\/www.linkedin.com\/posts\/marcomezger_chips-manufacturing-technology-activity-7221746622454525953-P3FI?utm_source=share&amp;utm_medium=member_desktop\">https:\/\/www.linkedin.com\/posts\/marcomezger_chips-manufacturing-technology-activity-7221746622454525953-P3FI?utm_source=share&amp;utm_medium=member_desktop<\/a><\/li>\n<li><a href=\"https:\/\/time.com\/6075425\/semiconductor-chip-shortage\/\">https:\/\/time.com\/6075425\/semiconductor-chip-shortage\/<\/a>, <a href=\"https:\/\/www.appliedenergysystems.com\/semiconductor-shortages-effect-on-auto-industry\/\">https:\/\/www.appliedenergysystems.com\/semiconductor-shortages-effect-on-auto-industry\/<\/a><\/li>\n<li><a href=\"https:\/\/polarsemi.com\/blog\/blog-semiconductor-chips-in-a-car\/#:~:text=On%20average%2C%20you'll%20find,That's%20a%20lot\">https:\/\/polarsemi.com\/blog\/blog-semiconductor-chips-in-a-car\/#:~:text=On%20average%2C%20you\u2019ll%20find,That\u2019s%20a%20lot<\/a><\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":67,"featured_media":45208,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[414],"tags":[],"class_list":["post-45277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tignis-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - 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