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class=\"wp-element-caption\">\u71b1\u8b8a\u5f62\u53ef\u4ee5\u5c07\u5f15\u8173\u62ac\u96e2\u710a\u76e4\u50c5\u5e7e\u5fae\u7c73\uff0c\u5c0e\u81f4\u56de\u6d41\u6642\u7121\u6cd5\u5f62\u6210\u6b63\u78ba\u7684\u710a\u9ede\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u56de\u6d41\u4e0d\u50c5\u50c5\u662f\u52a0\u71b1\u904e\u7a0b\uff1b\u5b83\u662f\u4e00\u500b\u52d5\u614b\u7684\u6a5f\u68b0\u4e8b\u4ef6\u3002\u7576 PCB \u9032\u5165\u70e4\u7bb1\u6642\uff0cFR4 \u57fa\u677f\u958b\u59cb\u81a8\u8139\u3002\u7576\u6eab\u5ea6\u63a5\u8fd1 SAC305 \u710a\u6599\u7684\u6db2\u76f8\u9ede\uff08\u7d04 217\u00b0C\uff09\u6642\uff0c\u96fb\u8def\u677f\u5728 X \u548c Y \u8ef8\u65b9\u5411\u81a8\u8139\u3002\u7f6e\u65bc\u5176\u4e0a\u7684\u9023\u63a5\u5668\u4e5f\u5728\u81a8\u8139\uff0c\u4f46\u5e7e\u4e4e\u80af\u5b9a\u81a8\u8139\u901f\u7387\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u9019\u5c31\u662f\u71b1\u81a8\u8139\u4fc2\u6578\uff08CTE\uff09\u4e0d\u5339\u914d\u3002\u5982\u679c\u9023\u63a5\u5668\u5f88\u9577\u2014\u2014\u6bd4\u5982 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id=\"the-material-hierarchy\">\u6750\u6599\u5c64\u7d1a<\/h2>\n\n\n<p>\u53ef\u9760\u6027\u6700\u7d42\u53d6\u6c7a\u65bc\u6a39\u8102\u3002\u4e26\u975e\u6240\u6709\u201c\u9ad8\u6eab\u201d\u5851\u6599\u90fd\u662f\u4e00\u6a23\u7684\uff0c\u9019\u4e5f\u662f\u6578\u64da\u8868\u5e38\u5e38\u96b1\u85cf\u771f\u76f8\u7684\u5730\u65b9\u3002\u5e02\u5834\u4e0a\u5145\u65a5\u8457\u8072\u7a31\u9ad8\u71b1\u963b\u7684\u201c\u6539\u6027\u201d\u6216\u201c\u73bb\u7483\u7e96\u7dad\u586b\u5145\u201d\u5c3c\u9f8d\u3002\u96d6\u7136\u5b83\u5011\u53ef\u80fd\u80fd\u5728\u7210\u4e2d\u5b58\u6d3b\u800c\u4e0d\u7194\u5316\uff0c\u4f46\u5176\u73bb\u7483\u8f49\u8b8a\u6eab\u5ea6\uff08Tg\uff09\u2014\u2014\u6750\u6599\u5f9e\u525b\u6027\u56fa\u9ad4\u8f49\u8b8a\u70ba\u67d4\u8edf\u6a61\u81a0\u72c0\u614b\u7684\u6eab\u5ea6\u9ede\u2014\u2014\u53ef\u80fd\u5371\u96aa\u5730\u63a5\u8fd1\u60a8\u7684\u64cd\u4f5c\u6216\u56de\u6d41\u6eab\u5ea6\u3002<\/p>\n\n\n\n<p><strong>\u6db2\u6676\u805a\u5408\u7269\uff08LCP\uff09<\/strong> 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