{"id":3087,"date":"2022-04-25T14:15:22","date_gmt":"2022-04-25T14:15:22","guid":{"rendered":"https:\/\/tecdia.sakura.ne.jp\/jp\/products\/hf\/detail\/?post_type=slc&#038;p=3087"},"modified":"2024-08-19T22:14:59","modified_gmt":"2024-08-19T22:14:59","slug":"groundblock","status":"publish","type":"slc","link":"https:\/\/us.tecdia.com\/products\/hf\/detail\/slc\/groundblock\/","title":{"rendered":"Ground Block"},"content":{"rendered":"<p><span style=\"font-size: 18pt;\"><b>Ceramic Ground Blocks are customizable conductive shims ideal for application within micro-assemblies in both optical and microwave industries.<\/b><\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3088\" src=\"\/products\/hf\/detail\/cms\/wp-content\/uploads\/2022\/04\/groundblock_01.png\" alt=\"\" width=\"634\" height=\"239\" \/><\/p>\n<h2>Features<\/h2>\n<ul>\n<li>Customizable size, thickness and metallization layers.<\/li>\n<li>Low impedance at high frequencies.<\/li>\n<li>Prevents creep-up of solder and epoxy.<\/li>\n<li>Orientation recognizable at a glance.<\/li>\n<li>Good thermal match with alumina substrates.<\/li>\n<\/ul>\n<h2>Uses<\/h2>\n<ul>\n<li>Height matching to reduce length of wire bonds.<\/li>\n<li>Conductive shims used for creating bonding pads.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>Key to Part Number<\/h2>\n<p>Our ground blocks follow a different part numbering scheme from standard square type. Each part of the PN is structured as follows.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4765\" src=\"\/assets\/img\/Ground_Blocks.PNG\" alt=\"\" width=\"800\" height=\"445\" \/><\/p>\n<h2>Metal Stack<\/h2>\n<p>The electrode stackup we use for Ground Blocks is as follows.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 11.8202%;\">\n<h5>Top<\/h5>\n<\/td>\n<td style=\"width: 88.1798%;\">Ti &#8211; Pt &#8211; Au<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.8202%;\">\n<h5>Bottom<\/h5>\n<\/td>\n<td style=\"width: 88.1798%;\">Ti &#8211; Pt &#8211; Au<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>Standard Sizes<\/h2>\n<p>The following table shows a list of standard sized ground blocks we try to keep in stock for generic applications or initial evaluations.<\/p>\n<p>&nbsp;<\/p>\n<table class=\"itemspectable mb40\" style=\"width: 97.2525%; height: 288px;\">\n<tbody>\n<tr style=\"height: 48px;\">\n<td class=\"koi middle\" style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #cccccc; height: 48px;\">Part Number<\/td>\n<td class=\"koi middle\" style=\"width: 26.1905%; border: 1px solid #dbdbdb; text-align: center; background-color: #cccccc; height: 48px;\">Size (mils)<br \/>\nL \u00d7 W \u00d7 t<\/td>\n<td class=\"koi middle\" style=\"width: 169.312%; border: 1px solid #dbdbdb; text-align: center; background-color: #cccccc; height: 48px;\">Size (mm)<br \/>\nL \u00d7 W \u00d7 t<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB025013015<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">10 \u00d7 5 \u00d7 6<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.25 \u00d7 0.13 \u00d7 0.15<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB025025015<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">10 \u00d7 10 \u00d7 6<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.25 \u00d7 0.25 \u00d7 0.15<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB025013025<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">10 \u00d7 5 \u00d7 10<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.25 \u00d7 0.13 \u00d7 0.25<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB025025025<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">10 \u00d7 10 \u00d7 10<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.25 \u00d7 0.25 \u00d7 0.25<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB050013015<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">20 \u00d7 5 \u00d7 6<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.50 \u00d7 0.13 \u00d7 0.15<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB050025015<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">20 \u00d7 10 \u00d7 6<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.50 \u00d7 0.25 \u00d7 0.15<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB050050015<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">20 \u00d7 20 \u00d7 6<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.50 \u00d7 0.50 \u00d7 0.15<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB050013025<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">20 \u00d7 5 \u00d7 10<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.50 \u00d7 0.13 \u00d7 0.25<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB050025025<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">20 \u00d7 10 \u00d7 10<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.50 \u00d7 0.25 \u00d7 0.25<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">TGB050050025<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">20 \u00d7 20 \u00d7 10<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.50 \u00d7 0.50 \u00d7 0.25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Dimensions are specified as L x W x H. L x W dimensions have a tolerance of 50 um (2 mils) and H dimension has a tolerance of 25 um (1 mil).<\/p>\n<p>&nbsp;<\/p>\n<h2>Design Guide<\/h2>\n<p>&nbsp;<\/p>\n<table class=\"itemspectable mb40\" style=\"width: 97.2525%; height: 288px;\">\n<tbody>\n<tr style=\"height: 48px;\">\n<td class=\"koi middle\" style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #cccccc; height: 48px;\">Parameter<\/td>\n<td class=\"koi middle\" style=\"width: 26.1905%; border: 1px solid #dbdbdb; text-align: center; background-color: #cccccc; height: 48px;\">Specification (mils)<\/td>\n<td class=\"koi middle\" style=\"width: 169.312%; border: 1px solid #dbdbdb; text-align: center; background-color: #cccccc; height: 48px;\">Specification (mm)<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">Length: L<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">10 &#8211; 79<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.25 &#8211; 2.00<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">Width: W<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">5 &#8211; 79<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.13 &#8211; 2.00<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">Thickness: t<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">3 &#8211; 25<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">0.13 &#8211; 2.00<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 35.7143%; border: 1px solid #dbdbdb; text-align: center; background-color: #eaeaea; height: 24px;\">Resistivity<\/td>\n<td style=\"width: 26.1905%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">1.18 \u00d7 10<sup>-3<\/sup> \u03a9\u30fbin nominal<\/td>\n<td style=\"width: 169.312%; text-align: center; height: 24px; border: 1px solid #dbdbdb;\">3 \u00d7 10<sup>-5<\/sup> \u03a9\u30fbm nominal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>Please\u00a0<a href=\"\/contact\">contact us<\/a>\u00a0for other sizes and metallization schemes.<\/p>\n<p><b>Note:\u00a0<\/b>If you have custom specifications you wish to satisfy then Tecdia can tailor the dimensions, dielectric constant, capacitance, TC and other options to match target capacitance options desired. For immediate assistance just give us a call at 408-748-0100 (USA) or\u00a0<a href=\"\/contact\">contact us electronically using our contact form<\/a>, tell us your requirements and we will find you the perfect part for you.<\/p>\n<p>&nbsp;<\/p>\n<h2>Related Sites<\/h2>\n<p>&nbsp;<\/p>\n<p><a href=\"\/products\/hf\/detail\/case-16\/\"><span style=\"text-decoration: underline;\">Case Study (Ground Blocks)<\/span><\/a><\/p>\n","protected":false},"featured_media":0,"template":"","slc_category":[21],"class_list":["post-class-post-3087","post-class-slc","post-class-type-slc","post-class-status-publish","post-class-hentry","post-class-slc_category-others"],"_links":{"self":[{"href":"https:\/\/us.tecdia.com\/products\/hf\/detail\/wp-json\/wp\/v2\/slc\/3087","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/us.tecdia.com\/products\/hf\/detail\/wp-json\/wp\/v2\/slc"}],"about":[{"href":"https:\/\/us.tecdia.com\/products\/hf\/detail\/wp-json\/wp\/v2\/types\/slc"}],"version-history":[{"count":8,"href":"https:\/\/us.tecdia.com\/products\/hf\/detail\/wp-json\/wp\/v2\/slc\/3087\/revisions"}],"predecessor-version":[{"id":6092,"href":"https:\/\/us.tecdia.com\/products\/hf\/detail\/wp-json\/wp\/v2\/slc\/3087\/revisions\/6092"}],"wp:attachment":[{"href":"https:\/\/us.tecdia.com\/products\/hf\/detail\/wp-json\/wp\/v2\/media?parent=3087"}],"wp:term":[{"taxonomy":"slc_category","embeddable":true,"href":"https:\/\/us.tecdia.com\/products\/hf\/detail\/wp-json\/wp\/v2\/slc_category?post=3087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}