{"id":32299,"date":"2018-08-02T17:49:24","date_gmt":"2018-08-02T17:49:24","guid":{"rendered":"https:\/\/radianheatsinks.com\/?page_id=32299"},"modified":"2023-05-24T16:07:02","modified_gmt":"2023-05-24T23:07:02","slug":"heatsink-backplate","status":"publish","type":"page","link":"https:\/\/radianheatsinks.com\/heatsink-backplate\/","title":{"rendered":"Why use a backplate with a heatsink?"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row bg_type=&#8221;image&#8221; parallax_style=&#8221;vcpb-default&#8221; bg_image_new=&#8221;id^55905|url^https:\/\/radianheatsinks.com\/wp-content\/uploads\/2023\/04\/Heatsink-Backplate-banner.jpg|caption^null|alt^null|title^Heatsink-Backplate-banner|description^null&#8221; bg_image_repeat=&#8221;no-repeat&#8221; bg_img_attach=&#8221;fixed&#8221; bg_override=&#8221;full&#8221; enable_overlay=&#8221;enable_overlay_value&#8221; overlay_color=&#8221;rgba(0,0,0,0.5)&#8221; overlay_pattern=&#8221;transperant&#8221; overlay_pattern_opacity=&#8221;25&#8243; margin_top=&#8221;-50&#8243; type=&#8221;vc_default&#8221; css=&#8221;.vc_custom_1684785105789{margin-bottom: 30px !important;padding-top: 12% !important;padding-bottom: 12% !important;background-color: #000000 !important;}&#8221;][vc_column offset=&#8221;vc_col-lg-12 vc_col-md-12&#8243; css=&#8221;.vc_custom_1476030031960{padding-bottom: 10px !important;}&#8221;]<div id=\"ultimate-heading-138969bc2de4b263a\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-138969bc2de4b263a uvc-1501 accent-title-color text-uppercase\" data-hspacer=\"no_spacer\"  data-halign=\"center\" style=\"text-align:center\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-138969bc2de4b263a h2'  data-responsive-json-new='{\"font-size\":\"desktop:34px;tablet_portrait:24px;mobile_landscape:20px;\",\"line-height\":\"desktop:44px;tablet_portrait:34px;mobile_landscape:30px;\"}' ><h2 style=\"font-weight:bold;color:#ffffff;\">HEATSINK TECHNOLOGY<\/h2><\/div><div class=\"uvc-sub-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-138969bc2de4b263a .uvc-sub-heading '  data-responsive-json-new='{\"font-size\":\"desktop:70px;tablet_portrait:34px;mobile_landscape:30px;\",\"line-height\":\"desktop:80px;tablet_portrait:44px;mobile_landscape:40px;\"}'  style=\"font-weight:bold;color:#ffffff;margin-top:10px;margin-bottom:20px;\">HEATSINK BACKPLATE<\/div><\/div><style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.dt-breadcrumbs-id-ace5e83904d1de4783eb59f44b7a0842 .breadcrumbs {\n  display: inline-block;\n  margin: 0;\n  padding: 2px 12px 2px 12px;\n  border: 0px solid rgba(255,255,255,0.3);\n  border-radius: 0px;\n}\n.dt-breadcrumbs-id-ace5e83904d1de4783eb59f44b7a0842 .breadcrumbs * {\n  font-size: 13px;\n  line-height: 16px;\n  color: #ffffff;\n}<\/style><div class=\"dt-breadcrumbs-shortcode dt-breadcrumbs-id-ace5e83904d1de4783eb59f44b7a0842 align-centre\"><div class=\"assistive-text\">You are here:<\/div><ol class=\"breadcrumbs text-small\" itemscope itemtype=\"https:\/\/schema.org\/BreadcrumbList\"><li itemprop=\"itemListElement\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"><a itemprop=\"item\" href=\"https:\/\/radianheatsinks.com\/\" title=\"Home\"><span itemprop=\"name\">Home<\/span><\/a><meta itemprop=\"position\" content=\"1\" \/><\/li><li class=\"current\" itemprop=\"itemListElement\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"><span itemprop=\"name\">Page<\/span><meta itemprop=\"position\" content=\"2\" \/><\/li><\/ol><\/div>[\/vc_column][\/vc_row][vc_row type=&#8221;vc_default&#8221; css=&#8221;.vc_custom_1684785195637{margin-bottom: 60px !important;}&#8221;][vc_column][vc_row_inner][vc_column_inner width=&#8221;1\/3&#8243;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.shortcode-single-image-wrap.shortcode-single-image-a7d0c7614ee7d4541d71c569033e0298.enable-bg-rollover .rollover i,\n.shortcode-single-image-wrap.shortcode-single-image-a7d0c7614ee7d4541d71c569033e0298.enable-bg-rollover .rollover-video i {\n  background: -webkit-linear-gradient();\n  background: linear-gradient();\n}\n.shortcode-single-image-wrap.shortcode-single-image-a7d0c7614ee7d4541d71c569033e0298 .rollover-icon {\n  font-size: 32px;\n  color: #ffffff;\n  min-width: 44px;\n  min-height: 44px;\n  line-height: 44px;\n  border-radius: 100px;\n  border-style: solid;\n  border-width: 0px;\n}\n.dt-icon-bg-on.shortcode-single-image-wrap.shortcode-single-image-a7d0c7614ee7d4541d71c569033e0298 .rollover-icon {\n  background: rgba(255,255,255,0.3);\n  box-shadow: none;\n}<\/style><div class=\"shortcode-single-image-wrap shortcode-single-image-a7d0c7614ee7d4541d71c569033e0298 alignleft  enable-bg-rollover dt-icon-bg-off\" style=\"margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px;\"><div class=\"shortcode-single-image bottom-space\"><div class=\"fancy-media-wrap\" style=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"preload-me aspect\" src=\"https:\/\/radianheatsinks.com\/wp-content\/uploads\/2023\/05\/Heatsink-Backplate.jpg\" srcset=\"https:\/\/radianheatsinks.com\/wp-content\/uploads\/2023\/05\/Heatsink-Backplate.jpg 429w\" sizes=\"auto, (max-width: 429px) 100vw, 429px\" width=\"429\" height=\"241\" data-dt-location=\"https:\/\/radianheatsinks.com\/heatsink-backplate\/heatsink-backplate-4\/\" style=\"--ratio: 429 \/ 241;\" alt=\"Heatsink-Backplate\" title=\"\"><\/div><\/div><\/div>[\/vc_column_inner][vc_column_inner width=&#8221;2\/3&#8243;]<div id=\"ultimate-heading-751369bc2de4b2b54\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-751369bc2de4b2b54 uvc-6232 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-751369bc2de4b2b54 h2'  data-responsive-json-new='{\"font-size\":\"desktop:22px;\",\"line-height\":\"desktop:32px;\"}' ><h2 style=\"font-weight:bold;margin-bottom:20px;\">Why use a backplate with a heatsink?<\/h2><\/div><\/div>[vc_column_text css=&#8221;.vc_custom_1684969604343{margin-bottom: 30px !important;}&#8221;]<\/p>\n<div id=\"panel-32299-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child\" data-index=\"0\">\n<div class=\"so-widget-sow-editor so-widget-sow-editor-base\">\n<div class=\"siteorigin-widget-tinymce textwidget\">\n<p>The use of a backplate with heatsink is a great way to reduce\u00a0<a href=\"https:\/\/pdfs.semanticscholar.org\/3b48\/e5ffec98351331aace700d84cc4951999841.pdf\" target=\"_blank\" rel=\"noopener\">stress<\/a>\u00a0on a\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Ball_grid_array\" target=\"_blank\" rel=\"noopener\">bga<\/a>\u00a0chip. Backplates are sometimes called a backup plate or bolster plate. Thermal systems engineers know that their designs must not only cool the electronics but must also be mechanically reliable to avoid costly field failures.\u00a0 Today\u2019s high-performance electronic systems tend to employ very high-powered electronic devices that demand sophisticated thermal solutions utilizing high performance such as Radian\u2019s high-performance line of heatsinks that include\u00a0<a href=\"https:\/\/radianheatsinks.com\/heatpipe\/\">heat pipes<\/a>\u00a0or\u00a0<a href=\"https:\/\/radianheatsinks.com\/vapor-chamber-heatsink\/\">vapor chambers<\/a>. In addition, thermal system engineers generally need to include high-performance thermal interface materials (TIMs) at the interface between the heatsink (or cold plate) and the device to get the best thermal performance.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"panel-32299-0-0-1\" class=\"so-panel widget widget_sow-editor\" data-index=\"1\">\n<div class=\"so-widget-sow-editor so-widget-sow-editor-base\">\n<div class=\"siteorigin-widget-tinymce textwidget\"><\/div>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_column_text css=&#8221;.vc_custom_1684785148775{margin-bottom: 30px !important;}&#8221;]<\/p>\n<div id=\"panel-32299-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child\" data-index=\"0\">\n<div class=\"so-widget-sow-editor so-widget-sow-editor-base\">\n<div class=\"siteorigin-widget-tinymce textwidget\">\n<p>High interface pressures generally create high mechanical stresses.\u00a0 Devices such as BGAs tend to develop high localized stresses in the solder balls resulting from the interface pressure, as well as shock, vibration and transportation loads.\u00a0 A properly-engineered back plate is a key element of a sound designs, as it stiffens and supports the BGA (or other) device and mitigate the localized peak stresses in solder balls that are inevitable in such designs.<\/p>\n<p>Over-stressed solder balls cause numerous problems such as solder ball cracking, PCB pad lifting, and a phenomenon called solder \u201ccreep\u201d.\u00a0 \u201cCreep\u201d is a material deformation that occurs when materials \u2013 solder in this case \u2013 deform over time under a constant load.\u00a0 This is much different than the normal plastic deformations that occur when materials are stressed beyond their yield point.\u00a0 In solder, creep occurs at stress levels that are much lower than the yield point of solder.\u00a0\u00a0 In arrays of closely spaced solder ball balls, creep will tend to severely distort highly stressed solder balls, which over time can result in shorts as the deformed ball flattens enough to make physical contact with an adjacent ball.\u00a0 This is called \u201ccreep induced solder bridging\u201d.\u00a0 Because the creep can occur over long periods of time, the phenomenon is hard to detect and often surfaces when the system has been in the field \u2013 sometimes failing months to a year or more after being placed into service.<\/p>\n<p>A well-engineered backplate also increases your systems\u2019 ability to resist damage from shock, vibration and transportation loads.<\/p>\n<p>Radian will manufacture custom back plates for your applications to your print.\u00a0 Our experienced engineering team can also work with your team at any level.\u00a0 Contact us with your questions or to request further information.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/vc_column_text]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">#default-btn-10e1dc5cc129f2926e88b5e5f854b01a.ico-right-side > i {\n  margin-right: 0px;\n  margin-left: 8px;\n}\n#default-btn-10e1dc5cc129f2926e88b5e5f854b01a > i {\n  margin-right: 8px;\n}<\/style><div class=\"btn-align-left\"><a href=\"https:\/\/radianheatsinks.com\/resources\/quote-form\/\" class=\"default-btn-shortcode dt-btn dt-btn-m link-hover-off \" id=\"default-btn-10e1dc5cc129f2926e88b5e5f854b01a\" title=\"Contact Radian\"><span>REQUEST MORE INFORMATION<\/span><\/a><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row bg_type=&#8221;image&#8221; parallax_style=&#8221;vcpb-default&#8221; bg_image_new=&#8221;id^55905|url^https:\/\/radianheatsinks.com\/wp-content\/uploads\/2023\/04\/Heatsink-Backplate-banner.jpg|caption^null|alt^null|title^Heatsink-Backplate-banner|description^null&#8221; bg_image_repeat=&#8221;no-repeat&#8221; bg_img_attach=&#8221;fixed&#8221; bg_override=&#8221;full&#8221; enable_overlay=&#8221;enable_overlay_value&#8221; overlay_color=&#8221;rgba(0,0,0,0.5)&#8221; overlay_pattern=&#8221;transperant&#8221; overlay_pattern_opacity=&#8221;25&#8243; margin_top=&#8221;-50&#8243; type=&#8221;vc_default&#8221; css=&#8221;.vc_custom_1684785105789{margin-bottom: 30px !important;padding-top: 12% !important;padding-bottom: 12% !important;background-color: #000000 !important;}&#8221;][vc_column offset=&#8221;vc_col-lg-12 vc_col-md-12&#8243; css=&#8221;.vc_custom_1476030031960{padding-bottom: 10px !important;}&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;vc_default&#8221; css=&#8221;.vc_custom_1684785195637{margin-bottom: 60px !important;}&#8221;][vc_column][vc_row_inner][vc_column_inner width=&#8221;1\/3&#8243;][\/vc_column_inner][vc_column_inner width=&#8221;2\/3&#8243;][vc_column_text css=&#8221;.vc_custom_1684969604343{margin-bottom: 30px !important;}&#8221;] The use of a backplate with heatsink is a great way to reduce\u00a0stress\u00a0on a\u00a0bga\u00a0chip. Backplates are sometimes called a&hellip;<\/p>\n","protected":false},"author":1,"featured_media":32325,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"class_list":["post-32299","page","type-page","status-publish","has-post-thumbnail","hentry","description-off"],"acf":[],"_links":{"self":[{"href":"https:\/\/radianheatsinks.com\/wp-json\/wp\/v2\/pages\/32299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/radianheatsinks.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/radianheatsinks.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/radianheatsinks.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/radianheatsinks.com\/wp-json\/wp\/v2\/comments?post=32299"}],"version-history":[{"count":9,"href":"https:\/\/radianheatsinks.com\/wp-json\/wp\/v2\/pages\/32299\/revisions"}],"predecessor-version":[{"id":57366,"href":"https:\/\/radianheatsinks.com\/wp-json\/wp\/v2\/pages\/32299\/revisions\/57366"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/radianheatsinks.com\/wp-json\/wp\/v2\/media\/32325"}],"wp:attachment":[{"href":"https:\/\/radianheatsinks.com\/wp-json\/wp\/v2\/media?parent=32299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}