{"id":9876,"date":"2025-11-04T08:52:06","date_gmt":"2025-11-04T08:52:06","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9876"},"modified":"2025-11-04T08:54:12","modified_gmt":"2025-11-04T08:54:12","slug":"copper-thieving-worsens-warpage","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/%e9%8a%85%e5%81%b7%e7%ab%8a%e6%83%a1%e5%8c%96%e4%ba%86%e7%bf%b9%e6%9b%b2%e5%95%8f%e9%a1%8c\/","title":{"rendered":"\u56de\u6d41\u710a\u4e2d\u7684\u9285\u5e73\u8861\uff1a\u76dc\u53d6\u9285\u7dda\u5982\u4f55\u4f7f\u8b8a\u5f62\u66f4\u7cdf"},"content":{"rendered":"<p>\u9285\u7aca\u53d6\u61c9\u8a72\u6709\u6548\u3002\u9019\u500b\u7b56\u7565\u662f\u5e38\u898b\u4e14\u5408\u7406\u7684\uff1a\u5728\u96fb\u8def\u677f\u7684\u7a00\u758f\u5340\u57df\u6dfb\u52a0\u9285\u586b\u5145\uff0c\u5e73\u8861\u6574\u9ad4\u5bc6\u5ea6\uff0c\u4e26\u964d\u4f4e\u88fd\u9020\u904e\u7a0b\u4e2d\u7684\u61c9\u529b\u3002\u5c0d\u65bc\u8a31\u591a\u8a2d\u8a08\u4f86\u8aaa\uff0c\u9019\u5b8c\u5168\u6709\u6548\u3002\u4f46\u7576\u904e\u65bc\u6fc0\u70c8\u5730\u61c9\u7528\uff0c\u4e14\u672a\u8003\u616e\u71b1\u884c\u70ba\u6642\uff0c\u7aca\u53d6\u5c31\u4e0d\u518d\u662f\u89e3\u6c7a\u65b9\u6848\u3002\u5b83\u53cd\u800c\u6210\u70ba\u539f\u672c\u65e8\u5728\u89e3\u6c7a\u554f\u984c\u7684\u6839\u6e90\u3002\u61c9\u8a72\u5e73\u5766\u7684\u677f\u5b50\u5f9e\u56de\u6d41\u7210\u4e2d\u51fa\u4f86\u6642\u8b8a\u5f62\uff0c\u5143\u4ef6\u932f\u4f4d\uff0c\u4e26\u4e14\u710a\u9ede\u53d7\u640d\u3002<\/p>\n\n\n<div 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W\/m\u00b7K\uff0c\u76f8\u8f03\u65bc FR-4 \u76840.3 W\/m\u00b7K\uff09\u4f7f\u5176\u80fd\u8fc5\u901f\u91cd\u65b0\u5206\u914d\u71b1\u91cf\u3002\u5927\u578b\u9285\u5e73\u9762\u4e0d\u50c5\u56e0\u8cea\u91cf\u800c\u7de9\u6162\u5347\u6eab\uff0c\u5b83\u9084\u80fd\u5c07\u71b1\u91cf\u5f9e\u5c40\u90e8\u71b1\u9ede\u50b3\u64ad\u958b\uff0c\u5747\u52fb\u5176\u8868\u9762\u6eab\u5ea6\u3002\u96d6\u7136\u9019\u662f\u6709\u76ca\u7684\uff0c\u4f46\u4e5f\u610f\u5473\u8457\u6709\u9285\u6216\u7121\u9285\u7684\u5340\u57df\u5728\u6839\u672c\u4e0a\u5f62\u6210\u4e0d\u540c\u7684\u71b1\u5340\u3002\u4e00\u500b\u5be6\u5fc3\u9285\u5340\u57df\u5177\u6709\u7de9\u6162\u800c\u5747\u52fb\u7684\u71b1\u97ff\u61c9\uff0c\u800c\u53ea\u6709\u7dda\u8def\u7684\u5340\u57df\u5247\u53cd\u61c9\u8f03\u5feb\u4e14\u5177\u6709\u5c40\u90e8\u6027\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/pcb_thermal_landscape.jpg\" alt=\"\u96fb\u8def\u677f\u7684\u71b1\u6a21\u64ec\u5716\u50cf\uff0c\u986f\u793a\u4e0d\u5747\u52fb\u7684\u71b1\u5206\u4f48\u53ca\u7d05\u8272\u71b1\u9ede\u548c\u8f03\u51b7\u7684\u85cd\u8272\u5340\u57df\u3002\" title=\"\u56de\u710a\u671f\u9593 PCB \u7684\u71b1\u666f\u89c0\"\/><figcaption class=\"wp-element-caption\">\u9285\u5206\u4f48\u4e0d\u5747\u5f62\u6210\u4e86\u71b1\u5340\u7684\u62fc\u8cbc\u3002\u5bc6\u96c6\u7684\u9285\u5e73\u9762\u4f5c\u70ba\u71b1\u8cea\u91cf\uff0c\u7de9\u6162\u52a0\u71b1\uff08\u85cd\u8272\uff09\uff0c\u800c\u7a00\u758f\u5340\u57df\u5247\u5feb\u901f\u52a0\u71b1\uff08\u7d05\u8272\uff09\uff0c\u5f62\u6210\u9a45\u52d5\u7ff9\u66f2\u7684\u68af\u5ea6\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u9285\u4e0d\u50c5\u589e\u52a0\u4e86\u8cea\u91cf\uff1b\u5b83\u9084\u5f9e\u6839\u672c\u4e0a\u91cd\u69cb\u4e86\u96fb\u8def\u677f\u7684\u71b1\u666f\u89c0\u3002\u9019\u4e5f\u662f\u70ba\u4ec0\u9ebc\u5fc5\u9808\u5c07\u5176\u5206\u4f48\u8996\u70ba\u71b1\u8a2d\u8a08\u7684\u554f\u984c\uff0c\u800c\u975e\u50c5\u50c5\u662f\u88fd\u9020\u4e0a\u7684\u5747\u52fb\u6027\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"how-copper-distribution-governs-heating-symmetry\">\u9285\u5206\u4f48\u5982\u4f55\u63a7\u5236\u52a0\u71b1\u7684\u5c0d\u7a31\u6027<\/h2>\n\n\n<p>\u71b1\u5c0d\u7a31\u610f\u5473\u7740\u96fb\u8def\u677f\u7684\u6240\u6709\u5340\u57df\u5728\u5927\u81f4\u76f8\u540c\u7684\u6642\u9593\u9054\u5230\u76f8\u540c\u7684\u6eab\u5ea6\u3002\u96d6\u7136\u5b8c\u5168\u5c0d\u7a31\u662f\u4e0d\u53ef\u80fd\u7684\uff0c\u4f46\u76ee\u6a19\u662f\u5728\u5cf0\u503c\u56de\u710a\u968e\u6bb5\u5c07\u71b1\u68af\u5ea6\u6700\u5c0f\u5316\uff0c\u6b64\u6642\u96fb\u8def\u677f\u6700\u70ba\u67d4\u97cc\u3002<\/p>\n\n\n\n<p>\u9285\u5206\u4f48\u6c7a\u5b9a\u4e86\u9019\u500b\u5c0d\u7a31\u6027\uff0c\u901a\u904e\u5b9a\u7fa9\u677f\u5b50\u7684\u71b1\u8cea\u91cf\u548c\u71b1\u5c0e\u7387\u5716\u3002\u5177\u6709\u5747\u52fb\u9285\u5bc6\u5ea6\u7684\u677f\u5b50\u5177\u6709\u76f8\u5c0d\u5747\u52fb\u7684\u71b1\u97ff\u61c9\uff0c\u6574\u9ad4\u5438\u6536\u71b1\u91cf\u3002\u5177\u6709\u9ad8\u5ea6\u4e0d\u5747\u52fb\u9285\u7684\u677f\u5b50\u5247\u6210\u70ba\u5177\u6709\u4e0d\u540c\u71b1\u6642\u9593\u5e38\u6578\u7684\u5340\u57df\u62fc\u8cbc\u2014\u2014\u5bc6\u96c6\u5340\u57df\u6eef\u5f8c\uff0c\u800c\u7a00\u758f\u5340\u57df\u9818\u5148\u3002<\/p>\n\n\n\n<p>\u591a\u5c64\u677f\u7684\u554f\u984c\u66f4\u52a0\u8907\u96dc\u3002\u8003\u616e\u4e00\u500b\u516d\u5c64\u8a2d\u8a08\uff0c\u5176\u4e2d\u96fb\u6e90\u5e73\u9762\u50c5\u8986\u84cb\u4e00\u534a\u7684\u677f\u9762\u3002\u90a3\u4e00\u534a\u7684\u677f\u5b50\u5177\u6709\u986f\u8457\u66f4\u9ad8\u7684\u71b1\u8cea\u91cf\u3002\u5728\u56de\u6d41\u904e\u7a0b\u4e2d\uff0c\u5b83\u8f03\u6162\u5347\u6eab\uff0c\u5f62\u6210\u5f9e\u7a00\u758f\u4e00\u5074\u5230\u5bc6\u96c6\u4e00\u5074\u7684\u6301\u7e8c\u68af\u5ea6\u3002\u5982\u679c\u9019\u500b\u68af\u5ea6\u6cbf\u8457\u677f\u5b50\u7684\u9577\u5ea6\uff0c\u5247\u6703\u7522\u751f\u5f13\u5f62\u3002\u5982\u679c\u5177\u6709\u65cb\u8f49\u4e0d\u5c0d\u7a31\uff0c\u5c31\u6703\u626d\u66f2\u3002<\/p>\n\n\n\n<p>\u56de\u6d41\u66f2\u7dda\u53ef\u4ee5\u9032\u4e00\u6b65\u653e\u5927\u9019\u500b\u554f\u984c\u3002\u66f2\u7dda\u7684\u6d78\u6ce1\u968e\u6bb5\u65e8\u5728\u5728\u6700\u5f8c\u7684\u5347\u6eab\u5230\u5cf0\u503c\u524d\u5e73\u8861\u6eab\u5ea6\uff0c\u4f46\u5b83\u4e26\u975e\u7121\u9650\u9577\u3002\u5982\u679c\u677f\u5b50\u5177\u6709\u660e\u986f\u7684\u71b1\u8cea\u91cf\u4e0d\u5e73\u8861\uff0c\u6d78\u6ce1\u6642\u9593\u53ef\u80fd\u4e0d\u5920\u3002\u7576\u7210\u5b50\u5347\u6eab\u81f3 240-250\u00b0C \u6642\uff0c\u4f4e\u8cea\u91cf\u5340\u57df\u6703\u5148\u904e\u5ea6\u5347\u6eab\uff0c\u800c\u9ad8\u8cea\u91cf\u5340\u57df\u4ecd\u5728\u8ffd\u8d95\u3002\u9019\u662f\u7ff9\u66f2\u958b\u59cb\u7684\u95dc\u9375\u6642\u523b\u3002<\/p>\n\n\n\n<p>\u4e00\u65e6\u5f62\u6210\u660e\u986f\u7684\u71b1\u5340\uff0c\u5b83\u5011\u5c31\u6703\u76f8\u4e92\u4f5c\u7528\u3002\u5bc6\u96c6\u5340\u57df\u4e2d\u7684\u5927\u578b\u9285\u5e73\u9762\u6703\u5c07\u71b1\u91cf\u62c9\u5165\u81ea\u8eab\uff0c\u8b93\u8a72\u5340\u57df\u4fdd\u6301\u8f03\u51b7\u8f03\u9577\u6642\u9593\uff0c\u4e26\u52a0\u5287\u8207\u76f8\u9130\u7a00\u758f\u5340\u57df\u7684\u68af\u5ea6\u3002\u7f3a\u4e4f\u9285\u7684\u71b1\u7de9\u885d\uff0c\u9019\u4e9b\u7a00\u758f\u5340\u57df\u6703\u5feb\u901f\u52a0\u71b1\u3002\u9019\u500b\u68af\u5ea6\u6703\u6301\u7e8c\u5230\u5cf0\u503c\u6642\uff0c\u5c0e\u81f4\u677f\u5b50\u7ff9\u66f2\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-blanket-thieving-trap\">\u84cb\u5e03\u7aca\u53d6\u9677\u9631<\/h2>\n\n\n<p>\u61c9\u7528\u9285\u5077\u53d6\u7684\u672c\u80fd\u6839\u690d\u65bc\u5982\u5747\u52fb\u8755\u523b\u548c\u934d\u5c64\u7b49\u6709\u6548\u88fd\u9020\u554f\u984c\u7684\u7591\u616e\u3002\u4f46\u7576\u7528\u4f5c\u9054\u5230\u76ee\u6a19\u767e\u5206\u6bd4\u7684\u6574\u9ad4\u586b\u5145\u6642\uff0c\u5077\u53d6\u5f80\u5f80\u6703\u7522\u751f\u5b83\u672c\u610f\u8981\u9632\u6b62\u7684\u71b1\u4e0d\u5c0d\u7a31\u6027\u3002<\/p>\n\n\n\n<p>\u9019\u5c31\u6210\u4e86\u4e00\u500b\u554f\u984c\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"when-added-copper-creates-new-imbalances\">\u7576\u52a0\u5165\u9285\u6642\uff0c\u6703\u7522\u751f\u65b0\u7684\u4e0d\u5e73\u8861<\/h3>\n\n\n<p>\u76dc\u53d6\u6703\u589e\u52a0\u6dfb\u52a0\u5730\u5340\u7684\u71b1\u8cea\u91cf\u3002\u5728\u4e00\u500b\u5177\u6709\u96c6\u4e2d\u9285\u7684\u529f\u80fd\u5340\u57df\u548c\u7a00\u758f\u8d70\u7dda\u7684\u677f\u5b50\u4e0a\uff0c\u76dc\u53d6\u901a\u5e38\u53ea\u5728\u7a00\u758f\u5340\u57df\u6dfb\u52a0\u3002\u9019\u4e9b\u5340\u57df\u4e4b\u524d\u71b1\u8cea\u91cf\u8f03\u4f4e\u3001\u52a0\u71b1\u8fc5\u901f\uff0c\u4f46\u73fe\u5728\u52a0\u71b1\u901f\u5ea6\u8b8a\u6162\u4e86\u3002<\/p>\n\n\n\n<p>\u9019\u4e26\u4e0d\u79fb\u9664\u91cd\u529f\u80fd\u9285\uff1b\u5b83\u53ea\u662f\u6539\u8b8a\u4e86\u71b1\u5e73\u8861\u3002\u5982\u679c\u5077\u53d6\u904e\u65bc\u6fc0\u70c8\uff0c\u53ef\u80fd\u6703\u5c07\u5e73\u8861\u63a8\u5f97\u904e\u9060\u3002\u5148\u524d\u7a00\u758f\u7684\u5340\u57df\u73fe\u5728\u53ef\u80fd\u5177\u6709\u8207\u529f\u80fd\u5340\u57df\u76f8\u7576\u7684\u71b1\u8cea\u91cf\uff0c\u4f46\u5177\u6709\u4e0d\u540c\u7684\u5e7e\u4f55\u5f62\u72c0\uff0c\u9020\u6210\u4e00\u500b\u65b0\u7684\u3001\u96e3\u4ee5\u9810\u6e2c\u7684\u4e0d\u5e73\u8861\u3002<\/p>\n\n\n\n<p>\u554f\u984c\u4e0d\u50c5\u5728\u65bc\u5bc6\u5ea6\uff0c\u800c\u5728\u65bc\u4f4d\u7f6e\u548c\u610f\u5716\u3002\u5982\u679c\u5728\u56de\u6d41\u671f\u9593\u5df2\u7d93\u8f03\u51b7\u7684\u5340\u57df\u9032\u884c\u5077\u53d6\uff0c\u5728\u90a3\u88e1\u589e\u52a0\u71b1\u8cea\u91cf\u6703\u4f7f\u5176\u66f4\u51b7\uff0c\u9032\u4e00\u6b65\u52a0\u5287\u68af\u5ea6\u3002 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class=\"wp-block-heading\" id=\"thieving-at-peak-temperature\">\u5728\u5cf0\u503c\u6eab\u5ea6\u4e0b\u7684\u5077\u53d6<\/h3>\n\n\n<p>\u56de\u6d41\u5cf0\u503c\u662f\u6700\u5927\u71b1\u61c9\u529b\u548c\u6700\u5c0f\u57fa\u677f\u525b\u6027\u7684\u6642\u523b\u3002\u5728\u9019\u88e1\u5b58\u5728\u7684\u4efb\u4f55\u71b1\u5931\u8861\u90fd\u5c07\u7522\u751f\u6700\u5927\u7684\u5f71\u97ff\uff0c\u56e0\u70ba\u96fb\u8def\u677f\u7684\u6297\u8b8a\u5f62\u80fd\u529b\u8655\u65bc\u6700\u4f4e\u9ede\u3002\u5077\u9396\u5b9a\u5728\u4e00\u500b\u71b1\u7d50\u69cb\u4e2d\u3002\u5982\u679c\u8a72\u7d50\u69cb\u5728\u5cf0\u503c\u6eab\u5ea6\u6642\u51fa\u73fe\u5931\u8861\uff0c\u96fb\u8def\u677f\u6bcf\u6b21\u7d93\u904e\u70e4\u7bb1\u6642\u90fd\u6703\u5982\u6b64\u3002<\/p>\n\n\n\n<p>\u70e4\u7bb1\u7121\u6cd5\u89e3\u6c7a\u7531\u96fb\u8def\u677f\u7d50\u69cb\u5167\u5728\u9020\u6210\u7684\u5931\u8861\u3002\u5982\u679c\u70e4\u7bb1\u63d0\u9ad8\u71b1\u91cf\uff0c\u4f7f\u8f03\u51b7\u7684\u9ad8\u8cea\u91cf\u5340\u57df\u9054\u5230\u6eab\u5ea6\uff0c\u71b1\u97ff\u61c9\u5340\u57df\u5c07\u8d85\u8d8a\u3002\u96fb\u8def\u677f\u5728\u4e0d\u540c\u5340\u57df\u9054\u5230\u4e0d\u540c\u7684\u5cf0\u503c\u6eab\u5ea6\u3002\u8f03\u71b1\u7684\u5340\u57df\u81a8\u8139\u66f4\u591a\uff0c\u8f03\u51b7\u7684\u5340\u57df\u81a8\u8139\u8f03\u5c11\u3002\u96fb\u8def\u677f\u8b8a\u8edf\u3002\u5b83\u626d\u66f2\u3002\u96a8\u8457\u51b7\u537b\uff0c\u8b8a\u5f62\u53ef\u80fd\u8b8a\u6210\u6c38\u4e45\u7684\uff0c\u5c0e\u81f4\u5143\u4ef6\u4f4d\u7f6e\u504f\u79fb\u548c\u710a\u9ede\u53d7\u640d\u2014\u2014\u9019\u662f\u6a19\u6e96\u96fb\u6e2c\u8a66\u7121\u6cd5\u5bdf\u89ba\u7684\u6545\u969c\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"stackup-symmetry-the-primary-warpage-control\">\u5806\u758a\u5c0d\u7a31\u6027\uff1a\u4e3b\u8981\u7684\u7ff9\u66f2\u63a7\u5236\u65b9\u6cd5<\/h2>\n\n\n<p>\u63a7\u5236\u7ff9\u66f2\u6700\u6709\u6548\u7684\u65b9\u6cd5\u662f\u8a2d\u8a08\u4e00\u500b\u71b1\u5b78\u548c\u6a5f\u68b0\u5c0d\u7a31\u65bc\u5176\u4e2d\u592e\u5e73\u9762\u7684\u96fb\u8def\u677f\u5806\u758a\u3002\u9019\u78ba\u4fdd\u4e86\u5728\u96fb\u8def\u677f\u4e0a\u534a\u90e8\u5206\u7684\u71b1\u81a8\u8139\u529b\u7531\u5e95\u90e8\u76f8\u7b49\u4e14\u76f8\u53cd\u7684\u529b\u9032\u884c\u53cd\u6620\u3002\u6c92\u6709\u6de8\u5f4e\u66f2\u529b\u77e9\uff0c\u96fb\u8def\u677f\u5c31\u80fd\u4fdd\u6301\u5e73\u5766\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"balancing-copper-plane-to-plane\">\u5e73\u8861\u9285\u5c64\uff0c\u5c64\u758a\u9762\u5230\u5c64\u758a\u9762<\/h3>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/symmetrical_pcb_stackup_diagram.jpg\" alt=\"\u6bd4\u8f03\u5169\u500b PCB \u5256\u9762\u7684\u5716\u793a\u3002\u5de6\u5074\u5c55\u793a\u5c0d\u7a31\u5806\u758a\uff0c\u5c64\u5c64\u93e1\u50cf\uff0c\u6a19\u793a\u70ba\u300c\u5e73\u8861\u300d\u3002\u53f3\u5074\u5247\u70ba\u4e0d\u5c0d\u7a31\u5806\u758a\uff0c\u6a19\u793a\u70ba\u300c\u4e0d\u5e73\u8861\u300d\u3002\" title=\"\u5c0d\u7a31\u8207\u4e0d\u5c0d\u7a31 PCB \u5806\u758a\"\/><figcaption class=\"wp-element-caption\">\u5c0d\u7a31\u5806\u758a\u5728\u96fb\u8def\u677f\u7684\u4e2d\u5fc3\u5468\u570d\u5e73\u8861\u71b1\u529b\u548c\u6a5f\u68b0\u529b\uff0c\u9632\u6b62\u5f4e\u66f2\u3002\u4e0d\u5c0d\u7a31\u6703\u7522\u751f\u6de8\u5f4e\u66f2\u529b\u77e9\uff0c\u5c0e\u81f4\u7ff9\u66f2\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u5806\u758a\u5c0d\u7a31\u610f\u5473\u8457\u5728\u4e00\u5c64\u9285\u7279\u5fb5\u7684\u6bcf\u4e00\u5074\uff0c\u53e6\u4e00\u5c64\u4e5f\u6709\u76f8\u61c9\u7684\u7279\u5fb5\uff0c\u4e26\u4e14\u5169\u5c64\u8ddd\u96e2\u96fb\u8def\u677f\u4e2d\u5fc3\u7d04\u7b49\u8ddd\u3002\u5728\u516d\u5c64\u5806\u758a\u4e2d\uff0c\u7b2c2\u5c64\u61c9\u8a72\u93e1\u50cf\u7b2c5\u5c64\uff0c\u7b2c3\u5c64\u61c9\u8a72\u93e1\u50cf\u7b2c4\u5c64\u3002\u5982\u679c\u7b2c2\u5c64\u662f\u5be6\u5fc3\u63a5\u5730\u5c64\uff0c\u7b2c5\u5c64\u4e5f\u61c9\u662f\u9762\u7a4d\u548c\u539a\u5ea6\u76f8\u540c\u7684\u5be6\u5fc3\u63a5\u5730\u5c64\u3002\u9019\u7a2e\u93e1\u50cf\u5e73\u8861\u901a\u904e\u96fb\u8def\u677f\u7684\u539a\u5ea6\u4f86\u5e73\u8861\u71b1\u8cea\u91cf\uff0c\u78ba\u4fdd\u4e0a\u4e0b\u534a\u90e8\u5206\u4ee5\u76f8\u540c\u901f\u5ea6\u52a0\u71b1\u3002\u4f86\u81eaCTE\u4e0d\u5339\u914d\u7684\u61c9\u529b\u4ecd\u7136\u5b58\u5728\uff0c\u4f46\u5b83\u662f\u5c0d\u7a31\u7684\uff0c\u56e0\u6b64\u96fb\u8def\u677f\u53ef\u4ee5\u5747\u52fb\u81a8\u8139\u800c\u4e0d\u6703\u5f4e\u66f2\u3002<\/p>\n\n\n\n<p>\u5916\u5c64\uff08\u7b2c1\u5c64\u548c\u7b2c6\u5c64\uff09\u4e5f\u61c9\u8a72\u5e73\u8861\u3002\u96d6\u7136\u7531\u65bc\u5143\u4ef6\u4f48\u5c40\uff0c\u5be6\u73fe\u5b8c\u5168\u76f8\u540c\u7684\u9285\u5c64\u5f80\u5f80\u4e0d\u53ef\u80fd\uff0c\u4f46\u76ee\u6a19\u662f\u4f7f\u6574\u9ad4\u9285\u91cf\u548c\u5206\u4f48\u76e1\u53ef\u80fd\u63a5\u8fd1\u3002\u6750\u6599\u9078\u64c7\u4e5f\u5f88\u91cd\u8981\uff1b\u6838\u5fc3\u5c64\u548c\u9810\u6d78\u6599\u539a\u5ea6\u61c9\u5728\u4e2d\u5fc3\u5c0d\u7a31\uff0c\u4ee5\u5c0d\u9f4a\u6a5f\u68b0\u548c\u71b1\u4e2d\u7acb\u8ef8\uff0c\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u96fb\u8def\u677f\u7684\u6297\u7ff9\u66f2\u80fd\u529b\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"when-stackup-modification-is-constrained\">\u7576\u5806\u758a\u4fee\u6539\u53d7\u5230\u9650\u5236\u6642<\/h3>\n\n\n<p>\u5b8c\u7f8e\u5c0d\u7a31\u4e26\u4e0d\u7e3d\u662f\u53ef\u80fd\u7684\u3002\u6210\u672c\u53ef\u80fd\u9650\u5236\u5c64\u6578\uff0c\u6216\u8a2d\u8a08\u9700\u8981\u4e0d\u80fd\u93e1\u50cf\u7684\u5e73\u9762\u3002\u9700\u8981\u5728\u7b2c2\u5c64\u5177\u6709\u8f03\u5927\u63a5\u5730\u5e73\u9762\u800c\u7b2c5\u5c64\u6c92\u6709\u76f8\u61c9\u5e73\u9762\u7684\u96fb\u8def\u677f\u672c\u8eab\u5c31\u662f\u4e0d\u5c0d\u7a31\u7684\u3002<\/p>\n\n\n\n<p>\u5728\u9019\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4e00\u7a2e\u65b9\u6cd5\u662f\u5728\u93e1\u50cf\u5c64\u4f7f\u7528\u975e\u529f\u80fd\u6027\u7684\u90e8\u5206\u5e73\u9762\u3002\u7528\u9670\u5f71\u6216\u7db2\u683c\u9285\u5c64\u8986\u84cb\u76f8\u540c\u5340\u57df\uff0c\u589e\u52a0\u71b1\u8cea\u91cf\u4e26\u6539\u5584\u5c0d\u7a31\u6027\uff0c\u800c\u4e0d\u5f62\u6210\u5be6\u5fc3\u96fb\u6c23\u5e73\u9762\u3002\u9019\u7a2e\u6298\u8877\u901a\u5e38\u53ef\u4ee5\u5c07\u7ff9\u66f2\u63a7\u5236\u5728\u53ef\u63a5\u53d7\u7684\u7bc4\u570d\u5167\u3002\u6298\u8877\u65b9\u6848\u662f\u589e\u52a0\u9285\u7684\u7528\u91cf\u7528\u65bc\u975e\u529f\u80fd\u6027\u7279\u5fb5\uff0c\u9019\u662f\u4e00\u500b\u8207\u7ff9\u66f2\u7522\u91cf\u5f71\u97ff\u6b0a\u8861\u7684\u6210\u672c\u3002<\/p>\n\n\n\n<p>\u7576\u5806\u758a\u5c0d\u7a31\u6027\u88ab\u7834\u58de\u6642\uff0c\u96fb\u8def\u677f\u66f4\u5bb9\u6613\u7ff9\u66f2\uff0c\u5bb9\u932f\u7a7a\u9593\u4e5f\u66f4\u5c0f\u3002\u5728\u5df2\u7d93\u4e0d\u5c0d\u7a31\u7684\u5806\u758a\u4e2d\u52a0\u5165\u6fc0\u9032\u7684\u5077\u9396\uff0c\u5c24\u5176\u5371\u96aa\uff0c\u56e0\u70ba\u5b83\u53ef\u80fd\u8207\u73fe\u6709\u7684\u4e0d\u5e73\u8861\u72c0\u6cc1\u7522\u751f\u4e0d\u53ef\u9810\u6e2c\u7684\u76f8\u4e92\u4f5c\u7528\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"controlled-copper-density-without-aggressive-fill\">\u7121\u9700\u6fc0\u70c8\u586b\u5145\u7684\u53d7\u63a7\u9285\u5bc6\u5ea6<\/h2>\n\n\n<p>\u5982\u679c\u5806\u758a\u5c0d\u7a31\u662f\u4e3b\u8981\u7684\u9632\u79a6\u624b\u6bb5\uff0c\u53d7\u63a7\u7684\u9285\u5bc6\u5ea6\u662f\u7ba1\u7406\u5c40\u90e8\u4e0d\u5e73\u8861\u7684\u7b56\u7565\u5de5\u5177\u3002\u76ee\u6a19\u662f\u5728\u5fc5\u8981\u7684\u5730\u65b9\u3001\u4ee5\u6240\u9700\u7684\u91cf\u6dfb\u52a0\u9285\uff0c\u800c\u4e0d\u5f15\u767c\u65b0\u7684\u71b1\u554f\u984c\u3002\u9019\u9700\u8981\u7531\u5168\u5c40\u8f49\u5411\u5c40\u90e8\u5e73\u8861\uff0c\u4e26\u914d\u5408\u56de\u710a\u904e\u7a0b\u4e2d\u7684\u6a5f\u68b0\u652f\u6490\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" 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