{"id":27,"date":"2025-03-29T11:55:41","date_gmt":"2025-03-29T03:55:41","guid":{"rendered":"https:\/\/www.zack.cn\/?p=27"},"modified":"2025-03-29T11:59:07","modified_gmt":"2025-03-29T03:59:07","slug":"whyfr4sopopular","status":"publish","type":"post","link":"https:\/\/www.zack.cn\/index.php\/2025\/03\/29\/whyfr4sopopular\/","title":{"rendered":"\u4e3a\u4ec0\u4e48FR-4\u5728PCB\u677f\u6750\u4e2d\u5907\u53d7\u9752\u7750"},"content":{"rendered":"<h1>\u4ec0\u4e48\u662fFR-4\uff1f<\/h1>\n<p>\u5728PCB\u7684\u677f\u6750\u9009\u62e9\u65f6\uff0c\u5e38\u5e38\u63d0\u5230\u7684FR-4\u662f\u5bf9\u4e00\u7c7b\u73bb\u7483\u7ea4\u7ef4\u589e\u5f3a\u73af\u6c27\u6811\u8102\u6750\u6599\u7684\u7b80\u79f0\u3002\u4f46\u4e25\u683c\u6765\u8bb2FR-4\u4e0d\u662f\u4e00\u79cd\u6750\u6599\u540d\u79f0\uff0c\u800c\u662f\u6750\u6599\u7684\u9632\u706b\u7b49\u7ea7\u3002<\/p>\n<p><img decoding=\"async\" title=\"\u9ed8\u8ba4\u6807\u9898__2024-01-23+15_08_23.jpeg\" src=\"\/wp-content\/uploads\/replace\/6a1ddbae137da92c35952640e63a76d1.jpeg\" alt=\"\u9ed8\u8ba4\u6807\u9898__2024-01-23+15_08_23.jpeg\" \/><\/p>\n<p>FR-4 PCB<\/p>\n<p>FR-4\u7684\u89c4\u683c\u6807\u51c6\u662f\u7531NEMA\uff08\u7f8e\u56fd\u7535\u5668\u5236\u9020\u5546\u534f\u4f1a\uff09\u5236\u5b9a\uff0cNEMA\u5206\u7c7b\u6807\u51c6\u4e2d\u7684FR\u8868\u793aFlame-Retardant (\u963b\u71c3\u7684) \u3002FR-4\u8868\u793a\u6811\u8102\u4e3a\u73af\u6c27\u6811\u8102\uff0c\u589e\u5f3a\u6750\u6599\u4e3a\u73bb\u7483\u7ea4\u7ef4\u5e03\uff0c\u963b\u71c3\u7b49\u7ea7\u4e3aUL94 V-0\u7684\u677f\u6750\u3002<\/p>\n<p>\u76ee\u524d\u7535\u8def\u677f\u6240\u7528\u7684FR-4\u7b49\u7ea7\u6750\u6599\u7684\u79cd\u7c7b\u975e\u5e38\u591a\uff0c\u4f46\u591a\u6570\u90fd\u662f\u4ee5\u56db\u529f\u80fd(Tera-Function)\u7684\u73af\u6c27\u6811\u8102\u52a0\u4e0a\u586b\u5145\u5242(Filler)\u4ee5\u53ca\u73bb\u7483\u7ea4\u7ef4\u6240\u505a\u51fa\u7684\u590d\u5408\u6750\u6599\u3002<\/p>\n<p>PCB\u7684\u57fa\u6750\u4e0d\u540c\uff0c\u963b\u71c3\u7b49\u7ea7\u4e5f\u4e0d\u76f8\u540c\uff0c\u5212\u5206\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\u5fae\u4fe1\u56fe\u7247_20240202132821.png\" src=\"\/wp-content\/uploads\/replace\/55af664e17543b0a893cfa825e29c1ba.png\" alt=\"\u5fae\u4fe1\u56fe\u7247_20240202132821.png\" \/><\/p>\n<section>\n<h2><strong>\u7eb8\u57fa\u677f<\/strong><\/h2>\n<p>\u915a\u919b\u7eb8\u57fa\u677f\u662f\u4ee5\u915a\u919b\u6811\u8102\u4e3a\u7c98\u5408\u5242\uff0c\u4ee5\u6728\u6d46\u7ea4\u7ef4\u7eb8\u4f5c\u4e3a\u8868\u5c42\u589e\u5f3a\u6750\u6599\u3002XPC\u3001XXPC\u4e3a\u975e\u963b\u71c3\u578b\uff0cFR-1\u3001FR-2\u3001FR-3\u4e3a\u963b\u71c3\u578b\u3002\u6210\u672c\u4f4e\uff0c\u4e3b\u8981\u7528\u5728\u73a9\u5177\uff0c\u6536\u97f3\u673a\uff0c\u7535\u8bdd\uff0c\u8ba1\u7b97\u5668\u7b49\u4ea7\u54c1\u3002<\/p>\n<\/section>\n<p>&nbsp;<\/p>\n<section>\n<h2><strong>\u73bb\u7483\u5e03\u57fa\u677f<\/strong><\/h2>\n<p>\u73af\u6c27\u73bb\u7483\u7ea4\u7ef4\u5e03\u57fa\u677f\uff0c\u4fd7\u79f0\uff1a\u73af\u6c27\u677f\u3001\u73bb\u7ea4\u677f\u3001\u7ea4\u7ef4\u677f\uff0cFR-4\u3002\u662f\u4ee5\u73af\u6c27\u6811\u8102\u505a\u7c98\u5408\u5242\uff0c\u4ee5\u7535\u5b50\u7ea7\u73bb\u7483\u7ea4\u7ef4\u5e03\u505a\u589e\u5f3a\u6750\u6599\u7684\u4e00\u7c7b\u57fa\u677f\uff0cFR-4\uff0cFR-5\u5747\u4e3a\u963b\u71c3\u578b\u3002<\/p>\n<p>\u73af\u6c27\u73bb\u7ea4\u5e03\u8986\u94dc\u677f\u5f3a\u5ea6\u9ad8\uff0c\u8010\u70ed\u6027\u80fd\u597d\uff0c\u4ecb\u7535\u6027\u597d\uff0c\u662f\u8986\u94dc\u677f\u4e2d\u7528\u9014\u6700\u5e7f\uff0c\u7528\u91cf\u6700\u5927\u7684\u4e00\u7c7b\u3002\u5e7f\u6cdb\u7528\u4e8e\u79fb\u52a8\u901a\u8baf\uff0c\u6570\u5b57\u7535\u89c6\uff0c\u6d88\u8d39\u7535\u5b50\u7b49\u4ea7\u54c1\u4e2d\u3002<\/p>\n<\/section>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<section>\n<h2><strong>\u590d\u5408\u57fa\u677f<\/strong><\/h2>\n<p>CEM\u7cfb\u5217\u8986\u94dc\u677f\uff0c\u5e38\u89c1\u7684\u662f\u5176\u4e2dCEM-1\u548cCEM-3\u3002CEM\u7cfb\u5217\u7684\u590d\u5408\u57fa\u8986\u94dc\u677f\u5728\u673a\u68b0\u6027\u548c\u5236\u9020\u6210\u672c\u4e0a\uff0c\u4ecb\u4e8e\u73af\u6c27-\u73bb\u7ea4\u5e03\u57fa\u677f\u548c\u915a\u919b-\u7eb8\u57fa\u677f\u4e4b\u95f4\u3002<\/p>\n<p>\u76ee\u524dCEM-3\u8986\u94dc\u677f\u7684\u7535\u6c14\u6027\u80fd\uff0c\u5df2\u7ecf\u4e0d\u4e9a\u4e8e\u4e00\u822cFR-4\u578b\u73bb\u7ea4\u5e03\u57fa\u73af\u6c27\u578b\u8986\u94dc\u677f\u3002CEM-3\u5728\u673a\u68b0\u94bb\u5b54\u52a0\u5de5\u6027\u65b9\u9762\uff0c\u8f83\u4f18\u4e8eFR-4\u3002\u6709\u7684CEM-3\u4ea7\u54c1\uff0c\u5728\u8010\u6f0f\u7535\u8d77\u75d5\u6027\uff08CTI\uff09\u3001\u677f\u7684\u5c3a\u5bf8\u7cbe\u5ea6\u3001\u5c3a\u5bf8\u7a33\u5b9a\u6027\u7b49\u65b9\u9762\uff0c\u5df2\u4f18\u4e8e\u4e00\u822cFR-4\u4ea7\u54c1\u3002<\/p>\n<\/section>\n<p>&nbsp;<\/p>\n<h1>FR-4\u7684\u6027\u80fd\u6307\u6807<\/h1>\n<p>FR-4\u57fa\u6750\u7684\u6307\u6807\u5305\u62ec\uff1a\u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6\uff08Tg\uff09\u3001\u57fa\u6750\u7684\u70ed\u5206\u89e3\u6e29\u5ea6\uff08Td\uff09\u3001\u635f\u8017\u56e0\u5b50\uff08Df\uff09\u3001\u4ecb\u7535\u5e38\u6570\uff08Dk\uff09\u3001\u76f8\u5bf9\u6f0f\u7535\u8d77\u75d5\u6307\u6570\uff08CTI\uff09\u3001\u70ed\u81a8\u80c0\u7cfb\u6570\uff08CTE\uff09\u3001\u5438\u6c34\u7387\u3001\u6750\u6599\u7684\u9644\u7740\u529b\u7279\u6027\u7b49\u3002<\/p>\n<p>\u4ee5Isola\u3001Nelco\u548cVentec\u7684FR-4\u677f\u6750\u4e3a\u4f8b\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\u5fae\u4fe1\u56fe\u7247_20240202133037.png\" src=\"\/wp-content\/uploads\/replace\/f74a37037195add93ceea5ef000dc19a.png\" alt=\"\u5fae\u4fe1\u56fe\u7247_20240202133037.png\" \/><\/p>\n<h2><strong>\u00a0<\/strong><\/h2>\n<h2><strong>\u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6\uff08Tg\uff09\u4e0e\u70ed\u5206\u89e3\u6e29\u5ea6\uff08Td\uff09<\/strong><\/h2>\n<p>Tg\u503c\uff0c\u6307\u7684\u662f\u6750\u6599\u4ece\u4e00\u4e2a\u76f8\u5bf9\u521a\u6027\u201c\u73bb\u7483\u201d\u72b6\u6001\u8f6c\u53d8\u4e3a\u6613\u53d8\u5f62\u72b6\u6001\u7684\u6e29\u5ea6\u70b9\u3002\u53ea\u8981\u6ca1\u8fbe\u5230\u70ed\u5206\u89e3\u6e29\u5ea6\uff08Td\uff09\uff0c\u8fd9\u79cd\u70ed\u529b\u5b66\u53d8\u5316\u662f\u53ef\u9006\u7684\uff0c\u5f53\u51b7\u5374\u81f3Tg\u503c\u4ee5\u4e0b\u65f6\uff0c\u6750\u6599\u53ef\u4ee5\u53d8\u56de\u521a\u6027\u72b6\u6001\u3002\u5f53\u8d85\u8fc7\u70ed\u5206\u89e3\u6e29\u5ea6\u65f6\uff0cFR-4\u4f1a\u53d1\u751f\u5206\u89e3\u5931\u6548\u3002<\/p>\n<p>&nbsp;<\/p>\n<section><\/section>\n<section>\u4e1a\u754c\u901a\u5e38\u6839\u636eTg\u503c\uff0c\u628aFR-4\u677f\u6750\u5212\u5206\u4e3a\u9ad8\u3001\u4e2d\u3001\u4f4e\u4e09\u6863\uff1a\u4f4eTg FR-4\uff1aTg\u503c\u5728135\u2103\u5de6\u53f3\uff1b\u4e2dTg FR-4\uff1aTg\u503c\u5728150\u2103\u5de6\u53f3\uff1b\u9ad8Tg FR-4\uff1aTg\u503c\u5728170\u2103\u5de6\u53f3\u3002<\/p>\n<p>\u5982\u679cPCB\u52a0\u5de5\u65f6\u538b\u5408\u6b21\u6570\u591a\u3001PCB\u5c42\u6570\u591a\u3001\u710a\u63a5\u6e29\u5ea6\u9ad8\uff08\u2265230\u2103\uff09\u3001\u5de5\u4f5c\u6e29\u5ea6\u9ad8\uff08\u8d85\u8fc7100\u2103\uff09\u3001\u710a\u63a5\u70ed\u5e94\u529b\u5927\uff08\u5982\u6ce2\u5cf0\u710a\u63a5\uff09\uff0c\u65f6\u5e94\u9009\u62e9\u9ad8Tg\u677f\u6750\u3002<\/p>\n<\/section>\n<p>&nbsp;<\/p>\n<h2><strong>\u635f\u8017\u56e0\u5b50\uff08Df\uff09\u4e0e\u4ecb\u7535\u5e38\u6570\uff08Dk\uff09<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<section>\u4ecb\u7535\u5e38\u6570\u548c\u4ecb\u8d28\u635f\u8017\u89d2\u662f\u4ecb\u8d28\u7684\u4e24\u4e2a\u57fa\u672c\u5c5e\u6027\uff0c\u8fd9\u4e24\u4e2a\u53c2\u6570\u4f1a\u968f\u7740\u9891\u7387\u7684\u6539\u53d8\u800c\u53d8\u5316\uff0c\u635f\u8017\u56e0\u5b50\uff08Df\uff09\u8d8a\u5927\uff0c\u5176\u8870\u51cf\u8d8a\u5927\u3002\u4ecb\u7535\u5e38\u6570\uff08Dk\uff09\u5f71\u54cd\u66f4\u591a\u7684\u662f\u963b\u6297\u3002FR-4\u53ef\u4ee5\u6839\u636e\u635f\u8017\u56e0\u5b50\uff08Df\uff09\u5206\u4e3a:<\/p>\n<ul>\n<li>\u666e\u901a\u635f\u8017\u677f\u6750\uff1aDf\u22650.02<\/li>\n<li>\u4e2d\u635f\u8017\u677f\u6750\uff1a0.01\u2264Df&lt;0.02<\/li>\n<li>\u4f4e\u635f\u8017\u677f\u6750\uff1a0.005\u2264Df&lt;0.01<\/li>\n<li>\u8d85\u4f4e\u635f\u8017\u677f\u6750\uff1aDf\uff1c0.005<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" title=\"640 (2).png\" src=\"\/wp-content\/uploads\/replace\/57d0b1063821a490b181d1be86174c02.png\" alt=\"640 (2).png\" \/><\/p>\n<section>\n<h2><strong>\u76f8\u5bf9\u6f0f\u7535\u8d77\u75d5\u6307\u6570\uff08CTI\uff09<\/strong><\/h2>\n<\/section>\n<p>&nbsp;<\/p>\n<p>\u76f8\u5bf9\u6f0f\u7535\u8d77\u75d5\u6307\u6570\uff08Comparative Tracking Index\uff09\uff0c\u7528\u6765\u5ea6\u91cf\u7edd\u7f18\u6750\u6599\u7684\u7535\u51fb\u7a7f\uff08\u7535\u75d5\u7834\u574f\uff09\u6027\u80fd\u3002\u6f0f\u7535\u8d77\u75d5\u53d1\u751f\u5728\u7edd\u7f18\u6750\u6599\u8868\u9762\uff0c\u7531\u4e8e\u4ecb\u8d28\u635f\u8017\u7684\u5b58\u5728\uff0c\u7535\u4ecb\u8d28\u53d1\u70ed\u5347\u6e29\uff0c\u5f15\u8d77\u7535\u4ecb\u8d28\u5206\u89e3\u78b3\u5316\uff0c\u6700\u7ec8\u5ef6\u4f38\u81f3\u7535\u6781\u5bfc\u81f4\u77ed\u8def\u3002<\/p>\n<p>\u6750\u6599\u7684CTI\u503c\u4e0e\u5176\u7edd\u7f18\u6027\u80fd\u6b63\u76f8\u5173\u3002\u9ad8CTI\u503c\u610f\u5473\u7740\u8981\u6c42\u7684\u722c\u7535\u8ddd\u79bb\u66f4\u4f4e\uff0c\u4e24\u4e2a\u5bfc\u4f53\u95f4\u7684\u8ddd\u79bb\u4f1a\u66f4\u8fd1\u3002<\/p>\n<p><img decoding=\"async\" title=\"\u5fae\u4fe1\u56fe\u7247_20240202133240.png\" src=\"\/wp-content\/uploads\/replace\/2e706cb334fa7404fa0773dba796df02.png\" alt=\"\u5fae\u4fe1\u56fe\u7247_20240202133240.png\" \/><\/p>\n<p>\u5bf9\u4e8e\u98de\u673a\u8239\u8236\u7b49\u5de5\u4f5c\u573a\u666f\uff0c\u9ad8\u538b\u5927\u7535\u6d41\u5de5\u4f5c\u6761\u4ef6\u7684\u4ea7\u54c1\uff0c\u5bf9\u4e8e\u7edd\u7f18\u6761\u4ef6\u8981\u6c42\u9ad8\u53ef\u4ee5\u9009\u62e9CTI\u9ad8\u7684FR-4\u677f\u6750\u3002<\/p>\n<h1><\/h1>\n<h1>FR-4\u677f\u6750\u7684\u5c40\u9650\u6027<\/h1>\n<p>&nbsp;<\/p>\n<p>\u5c3d\u7ba1FR-4\u4ef7\u683c\u4f4e\u5ec9\u3001\u5177\u6709\u53ef\u52a0\u5de5\u6027\u597d\u3001\u7535\u6027\u80fd\u7a33\u5b9a\u3001\u673a\u68b0\u5f3a\u5ea6\u9ad8\u3001\u8010\u9ad8\u6e29\u7b49\u4f18\u70b9\uff0c\u4f46\u662f\u5728\u9ad8\u901f\u3001\u9ad8\u9891\u548c\u9ad8\u529f\u7387\u7b49\u5e94\u7528\u573a\u666f\uff0cFR-4\u5c31\u8868\u73b0\u51fa\u4e86\u81ea\u8eab\u7684\u5c40\u9650\u6027\u3002<\/p>\n<h2>\u4fe1\u53f7\u635f\u8017<\/h2>\n<p>\u5f53\u4fe1\u53f7\u7684\u4f20\u64ad\u901f\u7387\u63d0\u5347\uff0c\u4f20\u64ad\u8ddd\u79bb\u53d8\u957f\u65f6\uff0c\u4fe1\u53f7\u7684\u677f\u5185\u4f20\u64ad\u635f\u8017\u5728layout\u65f6\u5c31\u5fc5\u987b\u91cd\u89c6\u3002FR-4\u7684\u635f\u8017\u56e0\u5b50Df\u503c\u7ea6\u4e3a0.020\uff0c\u800c\u5927\u591a\u6570\u9ad8\u901f\u677f\u6750\u7684Df\u503c\u7ea6\u4e3a0.004\uff0c\u4ec5\u4e3aFR-4\u7684Df\u503c\u7684\u56db\u5206\u4e4b\u4e00\u3002Df\u503c\u8d8a\u5c0f\uff0c\u4fe1\u53f7\u4f20\u64ad\u635f\u8017\u8d8a\u5c0f\u3002<\/p>\n<p>\u968f\u7740\u4fe1\u53f7\u9891\u7387\u7684\u589e\u52a0\uff0cFR-4\u7684\u635f\u8017\u56e0\u5b50Df\u4f1a\u5927\u5e45\u589e\u52a0\u3002\u5982\u4e0b\u56fe\u5bf9\u6bd4\u4e86FR-4\u548cRogers RO4350B\uff08\u9ad8\u901f\u6750\u6599\uff09\u6bcf\u82f1\u5bf8\u8d70\u7ebf\u4fe1\u53f7\u635f\u8017\uff08dB\uff09\u7684\u5173\u7cfb\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" title=\"Fr4-rogers.jpg\" src=\"\/wp-content\/uploads\/replace\/df60621300c35f64bee84ad60f8d337a.jpeg\" alt=\"Fr4-rogers.jpg\" 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