{"id":919,"date":"2025-12-12T16:38:04","date_gmt":"2025-12-12T08:38:04","guid":{"rendered":"https:\/\/jeez-semicon.com\/?post_type=avada_faq&#038;p=919"},"modified":"2025-12-12T16:43:41","modified_gmt":"2025-12-12T08:43:41","slug":"what-special-properties-are-required-for-finishing-pads-when-processing-third-generation-semiconductor-materials-like-gallium-nitride-gan","status":"publish","type":"avada_faq","link":"https:\/\/jeez-semicon.com\/zh\/faq-items\/what-special-properties-are-required-for-finishing-pads-when-processing-third-generation-semiconductor-materials-like-gallium-nitride-gan\/","title":{"rendered":"\u5728\u52a0\u5de5\u6c2e\u5316\u9553 (GaN) \u7b49\u7b2c\u4e09\u4ee3\u534a\u5bfc\u4f53\u6750\u6599\u65f6\uff0c\u5149\u9970\u57ab\u9700\u8981\u5177\u5907\u54ea\u4e9b\u7279\u6b8a\u6027\u80fd\uff1f"},"content":{"rendered":"<p class=\"ds-markdown-paragraph\">\u5fc5\u987b\u6ee1\u8db3\u4e09\u4e2a\u7279\u6b8a\u8981\u6c42\uff1a<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u4f4e\u5e94\u529b\u629b\u5149<\/strong>:\u5f39\u6027\u57fa\u5e95\u6a21\u91cf\u5fc5\u987b\u4e0e\u6c2e\u5316\u9553\u7684\u8106\u6027\uff08\u65ad\u88c2\u97e7\u6027 &lt; 2 MPa-m\u00b9\/\u00b2\uff09\u76f8\u5339\u914d\uff0c\u4ee5\u9632\u6b62\u51fa\u73b0\u5fae\u88c2\u7eb9<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u8010\u5f3a\u78b1\u6027\u73af\u5883<\/strong>:\u805a\u56db\u6c1f\u4e59\u70ef\u6539\u6027\u805a\u6c28\u916f\u53ef\u5728 pH \u503c\u5927\u4e8e 12 \u7684 KOH \u57fa\u6ce5\u6d46\u4e2d\u7a33\u5b9a\u8fd0\u884c &gt; 200 \u5c0f\u65f6<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u5f3a\u5316\u70ed\u7ba1\u7406<\/strong>:\u5bfc\u70ed\u7cfb\u6570 &gt; 0.5 W\/m-K\uff0c\u7528\u4e8e\u5feb\u901f\u6d88\u6563\u5c40\u90e8\u6469\u64e6\u70ed\uff08\u6c2e\u5316\u9553\u5bf9\u6e29\u5ea6\u654f\u611f\uff09<br \/>\n\u96c6\u667a\u7535\u5b50\u2019\u00a0<strong>GaN \u4e13\u7528\u710a\u76d8\u7cfb\u5217<\/strong>\u00a0\u5df2\u5728 6 \u82f1\u5bf8\u6676\u5706\u6279\u91cf\u751f\u4ea7\u4e2d\u5f97\u5230\u9a8c\u8bc1\uff0c\u7fd8\u66f2\u63a7\u5236 &lt; 50 \u00b5m\u3002.<\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Three special requirements must be met: Low-stress polishing: Elastic substrate modulus must match GaN&#8217;s brittle nature (fracture toughness &lt; 2 MPa\u00b7m\u00b9\/\u00b2) to prevent micro-cracks Resistance to strong alkaline environments: PTFE-modified  &#8230;<\/p>","protected":false},"author":1,"featured_media":925,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"faq_category":[],"class_list":["post-919","avada_faq","type-avada_faq","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/avada_faq\/919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/avada_faq"}],"about":[{"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/types\/avada_faq"}],"author":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/comments?post=919"}],"version-history":[{"count":1,"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/avada_faq\/919\/revisions"}],"predecessor-version":[{"id":920,"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/avada_faq\/919\/revisions\/920"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/media\/925"}],"wp:attachment":[{"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/media?parent=919"}],"wp:term":[{"taxonomy":"faq_category","embeddable":true,"href":"https:\/\/jeez-semicon.com\/zh\/wp-json\/wp\/v2\/faq_category?post=919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}