{"id":16827,"date":"2019-03-19T09:06:48","date_gmt":"2019-03-19T08:06:48","guid":{"rendered":"https:\/\/cohu.xcerra.com\/?page_id=16827"},"modified":"2025-07-28T07:47:09","modified_gmt":"2025-07-28T14:47:09","slug":"spring-probe","status":"publish","type":"page","link":"https:\/\/www.cohu.com\/spring-probe","title":{"rendered":"Spring Probe"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l00kxn-c501db5a11de7d8f4a80e82e80f72eda\">\n.avia-section.av-l00kxn-c501db5a11de7d8f4a80e82e80f72eda{\nbackground-repeat:no-repeat;\nbackground-image:url(\/wp-content\/uploads\/2019\/04\/ECT-banner-product-pages-1266x56-px.jpg);\nbackground-position:50% 0%;\nbackground-attachment:scroll;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-l00kxn-c501db5a11de7d8f4a80e82e80f72eda main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-full-contain avia-bg-style-scroll container_wrap fullsize'  data-section-bg-repeat='contain'><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-16827'><div class='entry-content-wrapper clearfix'>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-29zzsl7-87bf4679816ac35355de1b6f72e470b1\">\n.avia-section.av-29zzsl7-87bf4679816ac35355de1b6f72e470b1{\nbackground-color:#f2f2f2;\nbackground:linear-gradient( to bottom, #f2f2f2, #cecece );\n}\n<\/style>\n<div id='av_section_2'  class='avia-section av-29zzsl7-87bf4679816ac35355de1b6f72e470b1 main_color avia-section-small avia-no-border-styling  avia-builder-el-1  el_after_av_section  el_before_av_one_half  avia-bg-style-scroll 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-16827'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1qngryz-0b13eecb7e5d36abc995498c026eeeeb\">\n.flex_column.av-1qngryz-0b13eecb7e5d36abc995498c026eeeeb{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1qngryz-0b13eecb7e5d36abc995498c026eeeeb av_three_fifth  avia-builder-el-2  el_before_av_two_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-jutrtomx-5015d3fb81181882ee3132299b183d7a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1><span style=\"color: #808080;\">Spring Probe Test Contactor (Socket) \/ Probe Head Solutions<br \/>\n<\/span><\/h1>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jutv3dpw-1dc4451f62cb1f8fc07f835b5c53348b\">\n#top .hr.hr-invisible.av-jutv3dpw-1dc4451f62cb1f8fc07f835b5c53348b{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-jutv3dpw-1dc4451f62cb1f8fc07f835b5c53348b hr-invisible  avia-builder-el-4  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-jutv2el5-f36ce7d27c59ddf7b730971d2b3ab7e0 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>High Performance, Cost Effective Interface Solutions for High-Volume Production Test<\/h3>\n<p>There is really only one benefit: Low cost of ownership. The advantages listed above result in low initial cost, high test yields, and long probe life \u2013 all the necessary ingredients for low cost of ownership. And these benefits are available in test contactors (sockets) \/ probe heads that support a huge variety of device types, plating, pitches and application requirements.<\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-119qtvf-aa1261275dcc202dea2d490a19cf83d9\">\n.flex_column.av-119qtvf-aa1261275dcc202dea2d490a19cf83d9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-119qtvf-aa1261275dcc202dea2d490a19cf83d9 av_two_fifth  avia-builder-el-6  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jyyqj4pl-e54d958e6396ee209278f04c52e47350\">\n.avia-image-container.av-jyyqj4pl-e54d958e6396ee209278f04c52e47350 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-jyyqj4pl-e54d958e6396ee209278f04c52e47350 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-jyyqj4pl-e54d958e6396ee209278f04c52e47350 av-styling- avia-align-center  avia-builder-el-7  el_before_av_image  avia-builder-el-first '   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-16544 avia-img-lazy-loading-not-16544 avia_image ' src=\"\/wp-content\/uploads\/2018\/12\/Spring-Pin-Integrated-Solutions-Image-7.jpg\" alt='Spring Pins Test Socket' title='Spring-Pin-Integrated-Solutions-Image-7'  height=\"300\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"\/wp-content\/uploads\/2018\/12\/Spring-Pin-Integrated-Solutions-Image-7.jpg 300w, \/wp-content\/uploads\/2018\/12\/Spring-Pin-Integrated-Solutions-Image-7-80x80.jpg 80w, 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id=\"style-css-av-6qzwhi3-2448d577e2acf9b19c6801221ff6fefb\">\n.flex_column.av-6qzwhi3-2448d577e2acf9b19c6801221ff6fefb{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6qzwhi3-2448d577e2acf9b19c6801221ff6fefb av_one_half  avia-builder-el-9  el_after_av_section  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5ec8u3-9a42ec833b0fdfdc19a694f88e3b454c\">\n#top .av-special-heading.av-5ec8u3-9a42ec833b0fdfdc19a694f88e3b454c{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-5ec8u3-9a42ec833b0fdfdc19a694f88e3b454c .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-5ec8u3-9a42ec833b0fdfdc19a694f88e3b454c .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-5ec8u3-9a42ec833b0fdfdc19a694f88e3b454c av-special-heading-h3  avia-builder-el-10  el_before_av_toggle_container  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Test Contactor (Socket) \/ Probe Head Solutions<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jvo7j73w-37c59f7801befe1ad8f2528878ad3902\">\n#top .togglecontainer.av-jvo7j73w-37c59f7801befe1ad8f2528878ad3902 p.toggler{\ncolor:#363636;\nborder-color:#0053a1;\n}\n#top .togglecontainer.av-jvo7j73w-37c59f7801befe1ad8f2528878ad3902 p.toggler .toggle_icon{\ncolor:#363636;\nborder-color:#363636;\n}\n#top .togglecontainer.av-jvo7j73w-37c59f7801befe1ad8f2528878ad3902 .toggle_wrap .toggle_content{\ncolor:#363636;\nborder-color:#0053a1;\n}\n<\/style>\n<div  class='togglecontainer av-jvo7j73w-37c59f7801befe1ad8f2528878ad3902 av-minimal-toggle  avia-builder-el-11  el_after_av_heading  avia-builder-el-last  toggle_close_all' >\n<section class='av_toggle_section av-3dwvby3-e8fa1bbaf01e5cd20f85373287920049'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-1' data-fake-id='#toggle-id-1' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-1' data-slide-speed=\"200\" data-title=\"ACE Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: ACE Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: ACE Contactor \/ Probe Head\">ACE Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-1' aria-labelledby='toggle-toggle-id-1' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>RF (cmWave) probe with bandwidth up to 40GHz, homogeneous tip, and long life<\/strong><\/span><\/p>\n<p>ACE Test Contactor offers optimal RF performance for fine pitch FBGA, QFN and wafer-level packages for Power Amplifiers, RF switches and mobile communications. Supporting pitches down to 0.4 mm and superior performance for current consumption, gain, standard deviation, and power efficiency.<\/p>\n<p>ACE Probe Head provides exceptional electrical performance, both DC and RF and is manufactured from HyperCore\u2122 base material, which is a proprietary material of Cohu\u2019s ECT Contact Product Group.<\/p>\n<p>Compatible with all device types, platings, and pitches; and all test applications, including singulated devices, strip test and wafer-scale test. The materials and architecture create a very robust probe with a very working life and best yield. The electrical and mechanical performance, combined with the long probe life, deliver low overall cost of test, which are unprecedented for RF contactors.<\/p>\n<div  class='avia-button-wrap av-6apksyj-6b0ced28a816ce5492656504c905211f-wrap avia-button-left  avia-builder-el-12  el_before_av_button  avia-builder-el-first '><a href='https:\/\/www.cohu.com\/ace'  class='avia-button av-6apksyj-6b0ced28a816ce5492656504c905211f av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-2trixnf-39476d36d9de82e640c6f1776baab3ce'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-2' data-fake-id='#toggle-id-2' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-2' data-slide-speed=\"200\" data-title=\"Atlas Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Atlas Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: Atlas Contactor \/ Probe Head\">Atlas Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-2' aria-labelledby='toggle-toggle-id-2' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Optimal performance for large I\/O count devices and high end digital test<\/strong><\/span><\/p>\n<p>QuadTech probe solution with cruciform tip strength that stands up to lateral force without bending, plus an enhanced compliance window to accommodate package stack height tolerance.<\/p>\n<p>Atlas offers electrical performance that allows the customer to test to the true performance of the device. Atlas WLCSP test contactors achieve mechanical reliability with a rigid \u201ccruciform\u201d tip applied to Cohu\u2019s QuadTech flat probe technology.\u00a0 The Atlas offers a short electrical path, with lower capacitance and inductance, that is ideal for functional and AC parametric testing of WLCSP devices that require high system bandwidth and throughput gains in large multisite test applications.<\/p>\n<p>The cruciform tip provides increased tip rigidity with a much greater immunity to breakage. The advantages for the customer include increased run times between contactor cleaning, increased probe life, increased yield, and reduced system down time for contactor maintenance.<\/p>\n<div  class='avia-button-wrap av-5ice463-a4ce9515232ae9ce0bf1753411057103-wrap avia-button-left  avia-builder-el-13  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/atlas'  class='avia-button av-5ice463-a4ce9515232ae9ce0bf1753411057103 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-x0skkb-29787864631215d359fbe8ccfb2d66da'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-3' data-fake-id='#toggle-id-3' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-3' data-slide-speed=\"200\" data-title=\"cBoa Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cBoa Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: cBoa Contactor \/ Probe Head\">cBoa Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-3' aria-labelledby='toggle-toggle-id-3' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Uncompromised performance radial probe for the toughest test conditions<\/strong><\/span><\/p>\n<p>cBoa contactors and probe heads are the solution for contacting high frequency devices for package test or final test at wafer. The robust design and materials of the cBoa probe withstand the rigors of high-volume test by providing longer life and higher yield. The homogenous DUT side plunger provides longer run times between cleaning and\u00a0increased probe life.<\/p>\n<p>The cBoa features a stainless-steel spring for tri-temp testing and performs in operating temperatures of -55\u00b0C to +155\u00b0C.\u00a0With a bandwidth up to 27 GHz, cBoa can be used to test some of the highest frequency devices.<\/p>\n<p>The enhanced compliance window accommodates package stack height tolerances well.<\/p>\n<div  class='avia-button-wrap av-v0mu1n-d2bddb19ac9afb894390713fb289ef0f-wrap avia-button-left  avia-builder-el-14  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/cboa'  class='avia-button av-v0mu1n-d2bddb19ac9afb894390713fb289ef0f av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-2ab0ba3-03400ccb15aed005808148f85bf16331'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-4' data-fake-id='#toggle-id-4' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-4' data-slide-speed=\"200\" data-title=\"cPython Kelvin Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cPython Kelvin Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: cPython Kelvin Contactor \/ Probe Head\">cPython Kelvin Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-4' aria-labelledby='toggle-toggle-id-4' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Radial probe true kelvin solution to eliminate contact resistance with a variety of contact materials to optimize performance<\/strong><\/span><\/p>\n<p>cPython Kelvin contactors and probeheads provide superior electrical and thermal performance with significant cost savings.\u00a0 This makes cPython Kelvin ideal for lab and high-volume production test of analog and mixed signal integrated circuits \u2013 for applications such as power control, A-D and D-A converters, audio, video, power amplifiers, photonics, optical MEMS and sensors.<\/p>\n<p>cPython Kelvin probes are electrically isolated and mechanically independent force and sense paths for true Kelvin contact for taking accurate measurements, even under high current conditions. These robust probes provide hundreds of thousands of insertions or touchdowns, and a bandwidth up to 26GHz.<\/p>\n<p>cPython Kelvin probes can land on 0.4 mm pitch targets, and their tip spacing is 90 \u00b5m to land on small targets. cPython probes are available with homogeneous tips to optimize performance.<\/p>\n<div  class='avia-button-wrap av-plvsrw-6dffb33d7b9fbdef379c202160e251b3-wrap avia-button-left  avia-builder-el-15  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/cpython'  class='avia-button av-plvsrw-6dffb33d7b9fbdef379c202160e251b3 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-16lozaz-e9436711cda2f8e97c410e1f8753ff15'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-5' data-fake-id='#toggle-id-5' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-5' data-slide-speed=\"200\" data-title=\"cRacer Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cRacer Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: cRacer Contactor \/ Probe Head\">cRacer Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-5' aria-labelledby='toggle-toggle-id-5' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Lowest COT for next-generation 5G mmWave FR2 up to 54+ GHz<\/strong><\/span><\/p>\n<p>cRacer utilizes robust spring probe technology for testing singulated packages or probe heads for wafer probe (bumped\/pad) applications with fine pitch and WLCSP compatibility \u2013 ranging from 150 \u00b5m to 650 \u00b5m, covering the majority of 5G devices.<\/p>\n<p>cRacer features a stainless-steel spring for tri-temp testing and performance in operating temperatures -55\u00b0C to +155\u00b0C.<\/p>\n<div  class='avia-button-wrap av-ssk16j-8c903f40bb071f6e2e8617f1fe413b10-wrap avia-button-left  avia-builder-el-16  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/cracer\/'  class='avia-button av-ssk16j-8c903f40bb071f6e2e8617f1fe413b10 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-24e9wb-ebbb0a098a04abad6804d72f75757109'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-6' data-fake-id='#toggle-id-6' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-6' data-slide-speed=\"200\" data-title=\"cViper Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: cViper Probe Head\" data-aria_expanded=\"Click to collapse: cViper Probe Head\">cViper Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-6' aria-labelledby='toggle-toggle-id-6' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #2d53a6;\"><strong>Radial wafer probe solution down to 100 \u00b5m pitch with low loop inductance and high bandwidth and optional manual actuator for testing singulated die<\/strong><\/span><\/p>\n<p>cViper is an ultra-fine pitch probe head for RF and high speed digital WLCSP. \u00a0cViper is ideal for lab and large volume production test for precision analog, RF, sensors and mobility devices.\u00a0 Low loop inductance and high bandwidth up to 27 GHz, cViper offers low and stable contact resistance for singulated devices or wafer-level test.\u00a0\u00a0 A variety of contact materials to optimize performance are available with device pitch down to 100 \u00b5m.<\/p>\n<div  class='avia-button-wrap av-368qhkr-a126dd9f03aaad08629809b9aa39bbc6-wrap avia-button-left  avia-builder-el-17  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/cviper'  class='avia-button av-368qhkr-a126dd9f03aaad08629809b9aa39bbc6 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-l0sg0r-85c9b7eee38c6172a984c1237b0f13e1'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-7' data-fake-id='#toggle-id-7' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-7' data-slide-speed=\"200\" data-title=\"E-Series Spring Probe Contactors\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: E-Series Spring Probe Contactors\" data-aria_expanded=\"Click to collapse: E-Series Spring Probe Contactors\">E-Series Spring Probe Contactors<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-7' aria-labelledby='toggle-toggle-id-7' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Custom Probes and Test Contactor Solutions up to 60 GHz<\/strong><\/span><\/p>\n<p>Our\u00a0E-Series\u00ae probes\u00a0offer a comprehensive portfolio designed for versatile testing applications\u2014from bare boards to surface mount assemblies and more. Whether you need off-the-shelf options or fully customized solutions, we deliver performance, reliability, and value.<\/p>\n<p>Providing test probe solutions, probe customization services and failure analysis capability are part of our core competencies.<\/p>\n<div  class='avia-button-wrap av-2dscj0-2-1-46e84714fe483bf7299c07b0c0082b66-wrap avia-button-left  avia-builder-el-18  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/eseries-probes'  class='avia-button av-2dscj0-2-1-46e84714fe483bf7299c07b0c0082b66 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More about the E-Series Spring Probe Contactors\"><span class='avia_iconbox_title' >Read More about the E-Series Spring Probe Contactors<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-5f692z-c925dbee78ae395cd272124088ba3b6e'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-8' data-fake-id='#toggle-id-8' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-8' data-slide-speed=\"200\" data-title=\"Gemini Kelvin Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Gemini Kelvin Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: Gemini Kelvin Contactor \/ Probe Head\">Gemini Kelvin Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-8' aria-labelledby='toggle-toggle-id-8' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Industry preferred high performance, high value, low cost true kelvin QuadTech contacting solution<\/strong><\/span><\/p>\n<p>Gemini Kelvin probes and contactors provide a first-rate solution that effortlessly makes reliable, true Kelvin contact for high-volume final test of both singulated packages and wafer-level devices. Gemini Kelvin is an ideal solution for devices such as power controllers, A-D and D-A converters, power amplifiers and audio and video circuits.<\/p>\n<p>At 3.22 mm test height, the Gemini Kelvin is an excellent all-around spring probe with low inductance, high bandwidth, and excellent current-carrying capacity. The DUT side tip design accurately maintains its 100 \u00b5m spacing for the life of the probe. Customers report typical probe life of 500 k to 800 k package insertions, or over 2M touchdowns at wafer-level test. The offset tip allows manageable board layout with a board-side spacing of 0.4 mm.<\/p>\n<div  class='avia-button-wrap av-18a7y4-308ee268d1c35757d79153495d048738-wrap avia-button-left  avia-builder-el-19  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/geminikelvin'  class='avia-button av-18a7y4-308ee268d1c35757d79153495d048738 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-163aopn-481c2766ec811d910960c3f98be57cfc'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-9' data-fake-id='#toggle-id-9' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-9' data-slide-speed=\"200\" data-title=\"ICON Coaxial Contactor\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: ICON Coaxial Contactor\" data-aria_expanded=\"Click to collapse: ICON Coaxial Contactor\">ICON Coaxial Contactor<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-9' aria-labelledby='toggle-toggle-id-9' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Coaxial production solution for testing high end digital applications to 60 Gbps<\/strong><\/span><\/p>\n<p>Designed specifically for maintaining the native impedance of the device-under-test (DUT) through the contactor to the test system, maximizing high frequency power transfer by minimizing signal reflections (Return Loss).<\/p>\n<p>The ICON\u2019s metal body is a Faraday shield\/cage, which reduces cross talk (electromagnetic radiation) the primary cause of signal jitter. Along with this, the aluminum body blocks both static and non-static external electric fields (random noise).<\/p>\n<div  class='avia-button-wrap av-1px14pn-928565adabe0ba9bdffa54b157d8ea6e-wrap avia-button-left  avia-builder-el-20  el_after_av_button  el_before_av_button '><a href='https:\/\/www.cohu.com\/icon'  class='avia-button av-1px14pn-928565adabe0ba9bdffa54b157d8ea6e av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-l0sg0r-2-0fc6b9ffcabd823af9f44dcd531f7386'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-10' data-fake-id='#toggle-id-10' class='toggler  av-title-above av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-10' data-slide-speed=\"200\" data-title=\"Mercury Contactor \/ Probe Head\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Mercury Contactor \/ Probe Head\" data-aria_expanded=\"Click to collapse: Mercury Contactor \/ Probe Head\">Mercury Contactor \/ Probe Head<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-10' aria-labelledby='toggle-toggle-id-10' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color av-inherit-font-color hasCustomColor av-inherit-border-color'  itemprop=\"text\" ><p><span style=\"color: #0053a1;\"><strong>Industry preferred high performance, high value, low cost QuadTech contacting solution<\/strong><\/span><\/p>\n<p>Mercury probes and contactors are excellent spring probes for the laboratory though they were designed with the robust qualities needed for high-volume production test. Their unique design ensures excellent plating quality for low, consistent resistance, long life, and high-test yields. Mercury probes are available with minimum pitches of 0.3 mm, 0.4 mm, 0.5 mm, and 0.8 mm, to provide the best performance at any device pitch. Mercury probes have bandwidths of up to 22 GHz, and can carry over 3 Amps of current. The Mercury is an excellent choice for any test application.<\/p>\n<div  class='avia-button-wrap av-o5o8bf-4fd0765c327f66cb9fbbc8e1450fa84d-wrap avia-button-left  avia-builder-el-21  el_after_av_button  avia-builder-el-last '><a href='https:\/\/www.cohu.com\/mercury'  class='avia-button av-o5o8bf-4fd0765c327f66cb9fbbc8e1450fa84d av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-dark'   aria-label=\"Read More\"><span class='avia_iconbox_title' >Read More<\/span><\/a><\/div>\n<\/div><\/div><\/div><\/section>\n<\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2g33b7f-410790de3a8004014ef0c1fc95f95296\">\n.flex_column.av-2g33b7f-410790de3a8004014ef0c1fc95f95296{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2g33b7f-410790de3a8004014ef0c1fc95f95296 av_one_half  avia-builder-el-22  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jutrwdjz-12b0b53c7a746680be6dedf855852be6\">\n#top #wrap_all .avia-icon-list-container.av-jutrwdjz-12b0b53c7a746680be6dedf855852be6 .av_iconlist_title{\nfont-size:18px;\ncolor:#363636;\n}\n.avia-icon-list-container.av-jutrwdjz-12b0b53c7a746680be6dedf855852be6 .iconlist_content{\ncolor:#363636;\n}\n<\/style>\n<div  class='avia-icon-list-container av-jutrwdjz-12b0b53c7a746680be6dedf855852be6  avia-builder-el-23  el_before_av_iconlist  avia-builder-el-first '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-jutrwdjz-12b0b53c7a746680be6dedf855852be6'>\n<li><div class='iconlist_icon av-symnjv-ccb93b3fa62f567bd638b374e65c51ee avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue809' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Applications\"><h4 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Applications<\/h4><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul>\n<li>Area arrays: BGA devices to 0.25 mm pitch<\/li>\n<li>Pad contact: QFN, DFN, LGA devices to 0.3 mm pitch<\/li>\n<li>Peripherally-leaded: QFP, SO devices to 0.4 mm pitch<\/li>\n<li>Singulated devices, strip test, and wafer-level test<\/li>\n<li>Engineering characterization<\/li>\n<li>Long life in high-volume production test<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jutrwdjz-3-94d8d70b8f9da7fdfc6d136dc03e13a2\">\n#top #wrap_all .avia-icon-list-container.av-jutrwdjz-3-94d8d70b8f9da7fdfc6d136dc03e13a2 .av_iconlist_title{\nfont-size:18px;\ncolor:#363636;\n}\n.avia-icon-list-container.av-jutrwdjz-3-94d8d70b8f9da7fdfc6d136dc03e13a2 .iconlist_content{\ncolor:#363636;\n}\n<\/style>\n<div  class='avia-icon-list-container av-jutrwdjz-3-94d8d70b8f9da7fdfc6d136dc03e13a2  avia-builder-el-24  el_after_av_iconlist  el_before_av_iconlist '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-jutrwdjz-3-94d8d70b8f9da7fdfc6d136dc03e13a2'>\n<li><div class='iconlist_icon av-mr4aj-a206e962485a5819a3ec9bd08b20e4a9 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue809' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Benefits\"><h4 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Benefits<\/h4><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul>\n<li>Low initial cost<\/li>\n<li>Long probe life<\/li>\n<li>Easy field maintenance<\/li>\n<li>High electrical performance<\/li>\n<li>High test yields<\/li>\n<li>Low overall cost of test<\/li>\n<li>Mechanically robust<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jutrwdjz-2-8d51f0a343e55ad68208c805d8873a2f\">\n#top #wrap_all .avia-icon-list-container.av-jutrwdjz-2-8d51f0a343e55ad68208c805d8873a2f .av_iconlist_title{\nfont-size:18px;\ncolor:#363636;\n}\n.avia-icon-list-container.av-jutrwdjz-2-8d51f0a343e55ad68208c805d8873a2f .iconlist_content{\ncolor:#363636;\n}\n<\/style>\n<div  class='avia-icon-list-container av-jutrwdjz-2-8d51f0a343e55ad68208c805d8873a2f  avia-builder-el-25  el_after_av_iconlist  avia-builder-el-last '><ul class='avia-icon-list avia_animate_when_almost_visible avia-icon-list-left av-iconlist-big av-jutrwdjz-2-8d51f0a343e55ad68208c805d8873a2f avia-iconlist-animate'>\n<li><div class='iconlist_icon av-pg1wcb-e082784c0be4c8bdcb53bd0e4eb2e551 avia-font-entypo-fontello avia-iconfont avia-font-entypo-fontello'><span class='av-icon-char' data-av_icon='\ue809' data-av_iconfont='entypo-fontello' aria-hidden=\"true\"><\/span><\/div><article class=\"article-icon-entry \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconlist_content_wrap\"><header class=\"entry-content-header\" aria-label=\"Icon: Key Features\"><h4 class='av_iconlist_title iconlist_title  av_inherit_color'  itemprop=\"headline\" >Key Features<\/h4><\/header><div class='iconlist_content av_inherit_color'  itemprop=\"text\" ><ul>\n<li>Revolutionary architecture<\/li>\n<li>Excellent plating quality<\/li>\n<li>High current carrying capacity<\/li>\n<li>Excellent RF performance<\/li>\n<li>Low contact resistance<\/li>\n<\/ul>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><div class=\"iconlist-timeline\"><\/div><\/li>\n<\/ul><\/div><\/p><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jutv3dpw-4-1849075b363d3cb6e9eaac344672c6fb\">\n#top .hr.hr-invisible.av-jutv3dpw-4-1849075b363d3cb6e9eaac344672c6fb{\nmargin-top:0px;\nheight:1px;\n}\n<\/style>\n<div  class='hr av-jutv3dpw-4-1849075b363d3cb6e9eaac344672c6fb hr-invisible  avia-builder-el-26  el_after_av_one_half  el_before_av_section  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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