{"id":8814,"date":"2024-01-25T16:54:12","date_gmt":"2024-01-25T15:54:12","guid":{"rendered":"https:\/\/www.em-grade.com\/non-categorizzato\/why-do-we-use-copper-grid-for-tem\/"},"modified":"2024-06-12T11:29:57","modified_gmt":"2024-06-12T09:29:57","slug":"why-do-we-use-copper-grid-for-tem","status":"publish","type":"post","link":"https:\/\/www.em-grade.com\/it\/non-categorizzato\/why-do-we-use-copper-grid-for-tem\/","title":{"rendered":"Why do we use copper grid for TEM?"},"content":{"rendered":"<div data-hveid=\"CB4QAQ\">\n<div class=\"dnXCYb\" role=\"button\" aria-controls=\"_Nec4ZdflELOTkdUPgZ-eoAs_40\" aria-expanded=\"true\">\n<div data-ved=\"2ahUKEwiX1NKv-JCCAxWzSaQEHYGPB7QQuk56BAgeEAI\">EM grids are generally used in TEM.<a href=\"https:\/\/www.em-grade.com\/wp-content\/uploads\/2024\/01\/copper-grids-TEM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-3702 alignright\" src=\"https:\/\/www.em-grade.com\/wp-content\/uploads\/2024\/01\/copper-grids-TEM-150x150.jpg\" alt=\"\" width=\"139\" height=\"139\" srcset=\"https:\/\/www.em-grade.com\/wp-content\/uploads\/2024\/01\/copper-grids-TEM-150x150.jpg 150w, https:\/\/www.em-grade.com\/wp-content\/uploads\/2024\/01\/copper-grids-TEM-140x140.jpg 140w, https:\/\/www.em-grade.com\/wp-content\/uploads\/2024\/01\/copper-grids-TEM-100x100.jpg 100w, https:\/\/www.em-grade.com\/wp-content\/uploads\/2024\/01\/copper-grids-TEM-500x500.jpg 500w, https:\/\/www.em-grade.com\/wp-content\/uploads\/2024\/01\/copper-grids-TEM-350x350.jpg 350w\" sizes=\"auto, (max-width: 139px) 100vw, 139px\" \/><\/a><br \/>\nA TEM grid is a thin 3.05 mm disk with mesh or other shaped holes used to support thin sections of sample.<\/div>\n<div data-ved=\"2ahUKEwiX1NKv-JCCAxWzSaQEHYGPB7QQuk56BAgeEAI\">this mesh allows for fine sections (see photo) of samples to be observed under TEM.<\/div>\n<div class=\"L3Ezfd\" data-ved=\"2ahUKEwiX1NKv-JCCAxWzSaQEHYGPB7QQuk56BAgeEAI\">In general, 200-400 mesh (lines\/in) grids are used in TEM experiments.<\/div>\n<div class=\"L3Ezfd\" data-ved=\"2ahUKEwiX1NKv-JCCAxWzSaQEHYGPB7QQuk56BAgeEAI\"><strong>Most EM grids are made of<span style=\"color: #993300;\"><em> copper<\/em><\/span><\/strong> <b>because it is non-ferromagnetic and thus minimally distorts the magnetic field of the objective lens<\/b>.<\/div>\n<\/div>\n<\/div>\n<p><a href=\"https:\/\/www.em-grade.com\/wp-content\/uploads\/2024\/01\/copper-grids-TEM.jpg\">\u00a0<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2019\/10\/grids-models-e1572451143517.jpg?strip=all&amp;lossy=1&amp;sharp=1&amp;w=2560&amp;ssl=1\">\u00a0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>EM grids are generally used in TEM. A TEM grid is a thin 3.05 mm disk with mesh or other shaped holes used to support thin sections of sample. this&#8230;<\/p>\n","protected":false},"author":8,"featured_media":8816,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"itsec_x_frame_options":"","footnotes":""},"categories":[778],"tags":[805],"class_list":["post-8814","post","type-post","status-publish","format-standard","has-post-thumbnail","category-non-categorizzato","tag-copper-grid-it"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/posts\/8814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/comments?post=8814"}],"version-history":[{"count":0,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/posts\/8814\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/media\/8816"}],"wp:attachment":[{"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/media?parent=8814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/categories?post=8814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.em-grade.com\/it\/wp-json\/wp\/v2\/tags?post=8814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}