![\"\u4e00\u5f35\u5fae\u8ddd\u7167\u7247\uff0c\u986f\u793a\u5782\u76f4\u7ad9\u7acb\u5728\u96fb\u8def\u677f\u4e0a\u7684\u5fae\u578b\u96fb\u5b50\u5143\u4ef6\uff0c\u4e00\u7a2e\u7a31\u70ba\u5893\u7891\u6548\u61c9\u7684\u710a\u63a5\u7f3a\u9677\u3002\"](\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/tombstoned_smt_component.jpg\" "\\"\u4e00\u500b\u300e\u5893\u7891\u5316\u300f\u76840402\u5143\u4ef6\\"\/")
Tombstoning \u5b8c\u5168\u5c31\u662f\u5b83\u807d\u8d77\u4f86\u7684\u6a23\u5b50\uff1a\u4e00\u500b\u88ab\u52d5\u5143\u4ef6\u5728\u56de\u6d41\u5f8c\u76f4\u7acb\u5728\u4e00\u500b\u710a\u76e4\u4e0a\uff0c\u6beb\u7121\u7528\u8655\u3002\u9019\u662f\u4e00\u500b\u5bb9\u6613\u9003\u904e\u76ee\u8996\u6aa2\u67e5\u7684\u958b\u8def\u3002\u5176\u6839\u672c\u539f\u56e0\u662f\u5728\u56de\u6d41\u904e\u7a0b\u4e2d\u52a0\u71b1\u901f\u7387\u7684\u5dee\u7570\uff0c\u9019\u662f\u4e00\u500b\u96a8\u8457\u5143\u4ef6\u8cea\u91cf\u7e2e\u5c0f\u800c\u8b8a\u5f97\u66f4\u52a0\u56b4\u82db\u7684\u7269\u7406\u904e\u7a0b\u3002<\/p>\n\n\n\n
\u5728\u56de\u6d41\u710a\u4e2d\uff0c\u710a\u818f\u5728\u6bcf\u500b\u710a\u76e4\u4e0a\u6db2\u5316\uff0c\u5c0d\u5143\u4ef6\u65bd\u52a0\u8868\u9762\u5f35\u529b\u3002\u7406\u8ad6\u4e0a\uff0c\u9019\u4e9b\u529b\u6703\u9054\u6210\u5e73\u8861\uff0c\u5c07\u5143\u4ef6\u62c9\u5e73\u3002\u4f46\u5982\u679c\u4e00\u500b\u710a\u76e4\u52a0\u71b1\u8f03\u5feb\uff0c\u5176\u710a\u6599\u9996\u5148\u6db2\u5316\uff0c\u5c31\u6703\u7522\u751f\u4e0d\u5e73\u8861\u7684\u62c9\u529b\u3002\u9019\u7a2e\u8f49\u52d5\u626d\u529b\u5982\u679c\u8db3\u5920\u5f37\uff0c\u6703\u4f7f\u5143\u4ef6\u7ffb\u8f49\u76f4\u7acb\uff0c\u8db3\u4ee5\u514b\u670d\u96f6\u4ef6\u7684\u6163\u6027\u3002\u5c0d\u65bc\u91cd\u91cf\u4e0d\u5230\u6beb\u514b\u7684 0402 \u7121\u6e90\u5143\u4ef6\u4f86\u8aaa\uff0c\u9019\u7a2e\u60c5\u6cc1\u7d93\u5e38\u767c\u751f\u3002<\/p>\n\n\n
\u4e0d\u5747\u52fb\u52a0\u71b1\u7684\u6a5f\u7406<\/h3>\n\n\n
\u5143\u4ef6\u7684\u71b1\u8cea\u91cf\u3001\u710a\u76e4\u4ee5\u53ca\u5468\u570d\u7684\u9285\u5c64\u5728\u56de\u6d41\u6d6a\u7a0b\u4e2d\u76f8\u4e92\u4f5c\u7528\u3002\u5982\u679c\u4e00\u500b\u710a\u76e4\u9023\u63a5\u5230\u5927\u578b\u9285\u7247\u6216\u63a5\u5730\u5c64\uff0c\u8a72\u5c64\u5c31\u50cf\u6563\u71b1\u5668\u4e00\u6a23\uff0c\u6703\u964d\u4f4e\u710a\u818f\u7684\u6eab\u5347\u3002\u76f8\u53cd\u7684\u710a\u76e4\uff0c\u53ef\u80fd\u9023\u63a5\u5230\u8584\u7684\u71b1\u9694\u96e2\u8d70\u7dda\uff0c\u5347\u6eab\u901f\u5ea6\u66f4\u5feb\u3002\u8f03\u71b1\u7684\u710a\u76e4\u4e0a\u7684\u710a\u6599\u9996\u5148\u6db2\u5316\uff0c\u6fd5\u6f64\u5143\u4ef6\u4e26\u65bd\u52a0\u6700\u5927\u62c9\u529b\uff0c\u800c\u53e6\u4e00\u7aef\u4ecd\u56fa\u5b9a\u5728\u5805\u786c\u7684\u710a\u818f\u4e2d\u3002<\/p>\n\n\n\n
\u9019\u7a2e\u71b1\u4e0d\u5e73\u8861\u5728\u6240\u6709\u8a2d\u8a08\u4e2d\u90fd\u5b58\u5728\uff0c\u4f46\u5176\u5f71\u97ff\u53d6\u6c7a\u65bc\u5143\u4ef6\u6297\u8f49\u52d5\u7684\u80fd\u529b\u3002\u8f03\u91cd\u7684 0603 \u5143\u4ef6\u5177\u6709\u8f03\u5927\u7684\u6163\u6027\uff0c\u80fd\u62b5\u6297\u626d\u77e9\u3002\u8f03\u8f15\u7684 0402\uff0c\u7531\u65bc\u8cea\u91cf\u5fae\u4e0d\u8db3\u9053\uff0c\u5e7e\u4e4e\u6c92\u6709\u62b5\u6297\u529b\u3002\u7576\u4f7f\u7528\u5feb\u901f\u71b1\u8ff4\u5708\u4ee5\u512a\u5316\u5faa\u74b0\u6642\u9593\uff0c\u6216\u7576\u96fb\u8def\u677f\u5b58\u5728\u4e0d\u53ef\u907f\u514d\u7684\u71b1\u4e0d\u5c0d\u7a31\u6642\uff0c0402 \u6210\u70ba tombstoning \u7684\u4e3b\u8981\u5019\u9078\u3002<\/p>\n\n\n
\u7d50\u69cb\u8106\u5f31\u6027<\/h3>\n\n\n
0402 footprint \u975e\u5e38\u5fae\u5c0f\u2014\u2014\u7d04\u4e00\u6beb\u7c73\u4e58\u534a\u6beb\u7c73\u3002\u5176\u710a\u9ede\u4f54\u64da\u7684\u63a5\u89f8\u9762\u7a4d\u5fae\u4e0d\u8db3\u9053\u3002\u5373\u4f7f\u662f\u5fae\u5c0f\u7684\u529b\u91cf\u4e5f\u80fd\u7522\u751f\u986f\u8457\u7684\u8f49\u52d5\u529b\u77e9\uff0c\u56e0\u70ba\u69d3\u687f\u81c2\u8f03\u77ed\u4e14\u7a69\u5b9a\u8cea\u91cf\u5e7e\u4e4e\u4e0d\u5b58\u5728\u30020603 \u5143\u4ef6\u8f03\u5927\uff0c\u7d04\u70ba 50%\uff0c\u4f46\u5176\u8cea\u91cf\u6bd4\u4f8b\u66f4\u5927\uff0c\u56e0\u70ba\u9ad4\u7a4d\u662f\u7acb\u65b9\u7684\u3002\u96d6\u7136\u4e0d\u514d\u53d7\u5dee\u7570\u52a0\u71b1\u5f71\u97ff\uff0c\u4f46\u4f7f 0603 \u7ffb\u8f49\u6240\u9700\u7684\u71b1\u4e0d\u5e73\u8861\u5927\u5927\u9ad8\u65bc 0402\u3002<\/p>\n\n\n\n
\u710a\u76e4\u8a2d\u8a08\u548c\u710a\u818f\u7528\u91cf\u53ef\u4ee5\u964d\u4f4e\u98a8\u96aa\u3002\u975e\u5c0d\u7a31\u710a\u76e4\u6216\u710a\u818f\u906e\u7f69\u53ef\u4ee5\u5e6b\u52a9\uff0c\u4f46\u9019\u4e9b\u6703\u589e\u52a0\u8a2d\u8a08\u7684\u8907\u96dc\u6027\u548c\u5de5\u85dd\u654f\u611f\u6027\u3002\u5b83\u5011\u7121\u6cd5\u6d88\u9664\u4f4e\u8cea\u91cf\u7684\u6839\u672c\u8106\u5f31\u6027\u3002\u5c0d\u65bc\u5b89\u88dd\u5728\u53ef\u80fd\u7d93\u6b77\u591a\u6b21\u56de\u6d41\u6216\u5728\u689d\u4ef6\u4e0d\u4f73\u60c5\u6cc1\u4e0b\u7d44\u88dd\u7684\u5805\u56fa\u7522\u54c1\u4f86\u8aaa\uff0c\u9019\u500b\u5bb9\u932f\u7a7a\u9593\u975e\u5e38\u95dc\u9375\u30020603 \u901a\u904e\u7d14\u7cb9\u7684\u7269\u7406\u7279\u6027\u63d0\u4f9b\u4e86\u9019\u7a2e\u4fdd\u8b49\u3002<\/p>\n\n\n
\u632f\u52d5\u5f15\u8d77\u7684\u710a\u9ede\u5931\u6548<\/h2>\n\n\n![\"\u653e\u5927\u96fb\u5b50\u986f\u5fae\u93e1\u4e0b\u7684\u88c2\u7d0b\u710a\u9ede\u9023\u63a5\uff0c\u9023\u63a5\u5143\u4ef6\u8207\u96fb\u8def\u677f\u3002\"](\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/solder_joint_fatigue_failure.jpg\" "\\"\u56e0\u632f\u52d5\u800c\u5c0e\u81f4\u7684\u710a\u9ede\u5931\u6548\\"\/")
\u9023\u7e8c\u632f\u52d5\u6703\u5c0e\u81f4\u710a\u9ede\u5f62\u6210\u5fae\u88c2\u7d0b\uff0c\u96a8\u8457\u6642\u9593\u63a8\u79fb\u53ef\u80fd\u6703\u64f4\u5c55\uff0c\u6700\u7d42\u5c0e\u81f4\u9023\u63a5\u5931\u6548\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n\u632f\u52d5\u662f\u4e00\u7a2e\u6c92\u5b8c\u6c92\u4e86\u7684\u6a5f\u68b0\u58d3\u529b\u3002\u8207\u55ae\u4e00\u885d\u64ca\u4e8b\u4ef6\u4e0d\u540c\uff0c\u9023\u7e8c\u632f\u52d5\u4fc3\u4f7f\u710a\u932b\u5448\u5faa\u74b0\u6027\u5f4e\u66f2\u3002\u6bcf\u6b21\u5f4e\u66f2\u90fd\u53ef\u80fd\u5728\u710a\u932b\u8207\u5143\u4ef6\u6216\u588a\u7247\u7684\u63a5\u89f8\u9ede\u7522\u751f\u5fae\u88c2\u7d0b\u3002\u5728\u6578\u767e\u842c\u500b\u5faa\u74b0\u4e4b\u5f8c\uff0c\u9019\u4e9b\u88c2\u7e2b\u6703\u64f4\u6563\u958b\u4f86\uff0c\u76f4\u5230\u710a\u9ede\u5931\u6548\u3002\u5931\u6548\u7684\u901f\u5ea6\u53d6\u6c7a\u65bc\u61c9\u529b\uff0c\u5c0d\u65bcSMT\u7d44\u4ef6\u4f86\u8aaa\uff0c\u5143\u4ef6\u8cea\u91cf\u548c\u710a\u63a5\u9762\u7a4d\u662f\u63a7\u5236\u9019\u4e9b\u61c9\u529b\u7684\u95dc\u9375\u56e0\u7d20\u3002<\/p>\n\n\n\n
\u4f86\u8d8a\u91ce\u8a2d\u5099\u4e2d\u7684\u96fb\u5b50\u5143\u4ef6\u8981\u627f\u53d7\u4f86\u81ea\u5d0e\u5d87\u5730\u5f62\u7684\u5bec\u983b\u632f\u52d5\uff1b\u9435\u8def\u7cfb\u7d71\u50b3\u8f38\u4f4e\u983b\u632f\u52d5\uff0c\u9019\u4e9b\u632f\u52d5\u9ad8\u6548\u5730\u8026\u5408\u5230PCB\u4e0a\u3002\u5728\u9019\u5169\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u96fb\u8def\u677f\u90fd\u6703\u5f4e\u66f2\uff0c\u710a\u9ede\u5fc5\u9808\u5438\u6536\u9019\u7a2e\u61c9\u8b8a\u30020402\u88ab\u52d5\u5143\u4ef6\uff0c\u7531\u65bc\u8cea\u91cf\u5c0f\u4e14\u710a\u932b\u5761\u5ea6\u5fae\u5c0f\uff0c\u5c07\u9019\u7a2e\u61c9\u529b\u96c6\u4e2d\u5728\u4e00\u500b\u8106\u5f31\u7684\u6a5f\u68b0\u806f\u7d50\u4e2d\u3002<\/p>\n\n\n
\u8ae7\u632f\u61c9\u529b\u7684\u7269\u7406\u5b78<\/h3>\n\n\n
\u7576PCB\u632f\u52d5\u6642\uff0c\u5143\u4ef6\u53d7\u5230\u7684\u6163\u6027\u529b\u91cf\u662f\u5176\u8cea\u91cf\u8207\u52a0\u901f\u5ea6\u7684\u4e58\u7a4d\u3002\u9019\u500b\u529b\u91cf\u8f49\u5316\u70ba\u710a\u9ede\u7684\u526a\u5207\u61c9\u529b\u3002\u6709\u4eba\u53ef\u80fd\u8a8d\u70ba\u8f03\u8f15\u7684\u5143\u4ef6\u53d7\u5230\u7684\u529b\u8f03\u5c0f\uff0c\u4f46\u4e8b\u5be6\u4e26\u975e\u5982\u6b64\u3002\u5177\u6709\u5169\u500d\u8cea\u91cf\u4f46\u710a\u63a5\u9762\u7a4d\u8d85\u904e\u5169\u500d\u7684\u5143\u4ef6\u5be6\u969b\u4e0a\u6703\u7d93\u6b77 \u8f03\u4f4e<\/em> \u55ae\u4f4d\u710a\u932b\u9762\u7a4d\u7684\u61c9\u529b\u3002<\/p>\n\n\n\n\u5728\u9019\u88e1\uff0c0402\u5448\u73fe\u51fa\u4e0d\u5229\u7684\u6bd4\u4f8b\u3002\u5b83\u7684\u8cea\u91cf\u5f88\u5c0f\uff0c\u4f46\u710a\u9ede\u9762\u7a4d\u537b\u4e0d\u6210\u6bd4\u4f8b\u5730\u66f4\u5c0f\uff0c\u5c07\u61c9\u529b\u96c6\u4e2d\u8d77\u4f86\u3002\u7d30\u8584\u7684\u710a\u932b\u5761\u53e3\u4e5f\u7f3a\u4e4f\u50cf\u8f03\u5927\u710a\u9ede\u90a3\u6a23\u7684\u5f27\u5f62\u5f26\u6708\u9762\u8f2a\u5ed3\u7684\u5e7e\u4f55\u7279\u6027\uff0c\u9019\u4e9b\u7279\u6027\u6709\u52a9\u65bc\u5747\u52fb\u5206\u6563\u8f09\u8377\u3002\u710a\u9ede\u8b8a\u5f97\u8106\u5f31\uff0c\u5bb9\u6613\u5728\u91d1\u5c6c\u9593\u5316\u5408\u5c64\u8655\u7522\u751f\u88c2\u7d0b\u3002<\/p>\n\n\n
\u8cea\u91cf\u8207\u5c01\u88dd\u5c3a\u5bf8\u4f5c\u70ba\u9632\u8b77\u56e0\u7d20<\/h3>\n\n\n
0603\u5143\u4ef6\u5e36\u4f86\u4e86\u986f\u8457\u6539\u9032\u3002\u5176\u8cea\u91cf\u7d04\u662f0402\u7684\u4e09\u5230\u56db\u500d\uff0c\u800c\u710a\u76e4\u9762\u7a4d\u7d04\u70ba\u5176\u5169\u500d\u3002\u9019\u7a2e\u7d44\u5408\u5927\u5e45\u964d\u4f4e\u4e86\u61c9\u529b\u96c6\u4e2d\uff0c\u4e26\u5ef6\u9577\u4e86\u9023\u63a5\u7684\u75b2\u52de\u58fd\u547d\u3002\u6839\u64da\u5982MIL-STD-810\u7b49\u6a19\u6e96\u7684\u53ef\u9760\u6027\u6e2c\u8a66\uff0c\u6703\u767c\u73fe0402\u7d44\u88dd\u5728\u76f8\u540c\u632f\u52d5\u689d\u4ef6\u4e0b\u5931\u6548\u7387\u6bd40603\u9ad8\u51fa\u6578\u500d\u3002<\/p>\n\n\n\n
\u5728\u4e00\u6b3e\u4f7f\u7528\u58fd\u547d\u70ba\u5169\u5e74\u7684\u6d88\u8cbb\u96fb\u5b50\u7522\u54c1\u4e2d\uff0c\u9019\u500b\u5dee\u7570\u53ef\u80fd\u5fae\u4e0d\u8db3\u9053\u3002\u5728\u9810\u671f\u80fd\u5920\u627f\u53d7\u5341\u5e74\u6301\u7e8c\u632f\u52d5\u7684\u5de5\u696d\u63a7\u5236\u5668\u4e2d\uff0c0603\u5c01\u88dd\u4e26\u975e\u5962\u4f88\uff0c\u800c\u662f\u7d50\u69cb\u4e0a\u7684\u5fc5\u9700\u3002\u710a\u9ede\u662f\u5143\u4ef6\u7684\u9328\u9ede\uff0c\u5176\u5927\u5c0f\u6c7a\u5b9a\u5176\u662f\u7a69\u56fa\u9084\u662f\u6f5b\u5728\u6545\u969c\uff0c\u7b49\u5f85\u5728\u73fe\u5834\u51fa\u73fe\u3002<\/p>\n\n\n
\u91cd\u5de5\u6210\u672c\u66f2\u7dda<\/h2>\n\n\n![\"\u96fb\u5b50\u6280\u8853\u4eba\u54e1\u5728\u986f\u5fae\u93e1\u4e0b\u4f7f\u7528\u70d9\u9435\u548c](\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/reworking_a_tiny_component.jpg\" "\\"\u4fee\u88dc0402\u5143\u4ef6\u7684\u56f0\u96e3\\"\/")
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