{"id":844,"date":"2025-12-09T13:39:33","date_gmt":"2025-12-09T05:39:33","guid":{"rendered":"https:\/\/jeez-semicon.com\/?p=844"},"modified":"2025-12-16T11:47:51","modified_gmt":"2025-12-16T03:47:51","slug":"ceramic","status":"publish","type":"post","link":"https:\/\/jeez-semicon.com\/fr\/application\/ceramic\/","title":{"rendered":"C\u00e9ramique"},"content":{"rendered":"<div class=\"ds-message _63c77b1\">\n<div class=\"ds-markdown\">\n<p class=\"ds-markdown-paragraph\">Il s'agit d'une feuille de c\u00e9ramique d'alumine n\u00e9cessitant une finition miroir. Habituellement, le polissage des c\u00e9ramiques d'alumine implique un meulage grossier avec un disque de fer suivi d'un polissage avec un chiffon blanc, mais cette m\u00e9thode est extr\u00eamement lente - il faut souvent 30 \u00e0 40 minutes avec le chiffon blanc pour obtenir la surface miroir souhait\u00e9e. Cette m\u00e9thode est inacceptable pour le traitement par lots. Il existe une autre m\u00e9thode : apr\u00e8s un meulage grossier avec un disque de fer, on utilise directement un disque d'\u00e9tain pour le polissage du miroir. Toutefois, cette approche pr\u00e9sente \u00e9galement des inconv\u00e9nients, notamment le co\u00fbt de traitement \u00e9lev\u00e9 des disques d'\u00e9tain, ce qui rend difficile la production en s\u00e9rie.<\/p>\n<p class=\"ds-markdown-paragraph\">En g\u00e9n\u00e9ral, le traitement des feuilles de c\u00e9ramique d'alumine pr\u00e9sente certaines difficult\u00e9s. Tout d'abord, l'alumine elle-m\u00eame pr\u00e9sente une duret\u00e9 \u00e9lev\u00e9e, ce qui rend difficile le meulage \u00e0 des dimensions pr\u00e9cises. Deuxi\u00e8mement, la surface de la c\u00e9ramique d'alumine a tendance \u00e0 absorber la lumi\u00e8re, ce qui rend difficile l'obtention d'une finition miroir avec les m\u00e9thodes de polissage ordinaires. Ces facteurs augmentent consid\u00e9rablement la difficult\u00e9 du polissage des c\u00e9ramiques d'alumine, mais notre soci\u00e9t\u00e9 a r\u00e9solu ce probl\u00e8me avec succ\u00e8s.<\/p>\n<\/div>\n<\/div>\n<div class=\"ds-flex _0a3d93b\">\n<div class=\"ds-flex _965abe9 _54866f7\">\n<div class=\"db183363 ds-icon-button ds-icon-button--m ds-icon-button--sizing-container\" tabindex=\"0\" role=\"button\" aria-disabled=\"false\">\n<div class=\"ds-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>This is an alumina ceramic sheet requiring mirror finishing. Typically, polishing alumina ceramics involves rough grinding with an iron disc followed by polishing with a white cloth, but this method  &#8230;<\/p>","protected":false},"author":1,"featured_media":988,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application"],"acf":[],"_links":{"self":[{"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts\/844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/comments?post=844"}],"version-history":[{"count":1,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts\/844\/revisions"}],"predecessor-version":[{"id":846,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts\/844\/revisions\/846"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/media\/988"}],"wp:attachment":[{"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/media?parent=844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/categories?post=844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/tags?post=844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}