{"id":10257,"date":"2022-07-06T08:24:00","date_gmt":"2022-07-06T00:24:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=10257"},"modified":"2024-04-13T22:59:56","modified_gmt":"2024-04-13T14:59:56","slug":"stencil-thickness-aperture","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2022\/07\/stencil-thickness-aperture\/","title":{"rendered":"\u92fc\u677f\u539a\u5ea6\u53ca\u958b\u5b54(\u958b\u6cd5\/\u5f62\u72c0…\u7b49)\u5de5\u85dd\u662f\u5982\u4f55\u6c7a\u5b9a\u7684\uff1f\u4ec0\u9ebc\u662f\u9632\u932b\u73e0\u958b\u6cd5\uff1f"},"content":{"rendered":"

\"\u92fc\u677f\u96f6\u4ef6\u4f7f\u7528\u539a\u5ea6\u53ca\u958b\u5b54\u65b9\u5f0f(\u958b\u6cd5\/\u5f62\u72c0...\u7b49)\u4e4b\u5de5\u85dd\"<\/p>\n

\u6709\u7db2\u53cb\u63d0\u554f\uff1a\u300e\u92fc\u677f\/\u92fc\u7db2(stencil)\u7684\u539a\u5ea6\u662f\u5982\u4f55\u6c7a\u5b9a\u7684\u5462\uff1f\u92fc\u677f\u7684\u958b\u5b54(aperture)\u65b9\u5f0f(\u958b\u6cd5\/\u5f62\u72c0…\u7b49)\u5de5\u85dd\u6709\u4f55\u8b1b\u7a76\uff1f\u300f <\/font><\/p>\n

\u92fc\u677f\u7684\u539a\u5ea6\u57fa\u672c\u4e0a\u53d6\u6c7a\u65bc\u710a\u63a5\u96f6\u4ef6\u6642\u6240\u9700\u8981\u7684\u932b\u818f<\/a>\u91cf\uff0c\u92fc\u677f\u8d8a\u8584\uff0c\u901a\u5e38\u4e5f\u610f\u5473\u8457\u5370\u5237\u51fa\u4f86\u7684\u932b\u818f\u91cf\u8d8a\u5c11\u3002\u800c\u4e00\u500b\u710a\u9ede\u9700\u8981\u591a\u5c11\u932b\u818f\u91cf\u5247\u8981\u770b\u96fb\u8def\u677f\u4e0a\u7684\u96f6\u4ef6\u800c\u5b9a\uff0c\u901a\u5e38\u5c31\u662f\u770b\u677f\u5b50\u4e0a\u90a3\u4e9b\u5c0d\u710a\u932b\u91cf\u6bd4\u8f03\u654f\u611f\u7684\u96fb\u5b50\u96f6\u4ef6\uff0c\u6bd4\u5982\u932b\u7403\u9593\u8ddd\u6700\u5c0f\u7684BGA\u4ee5\u53ca\u7d30\u9593\u8ddd\u96f6\u4ef6\u3002\u518d\u4f86\u5c31\u662f\u710a\u9ede\u8d8a\u5c0f\u7684\u96f6\u4ef6\uff0c\u5176\u5c0d\u65bc\u932b\u818f\u91cf\u7cbe\u6e96\u5ea6\u7684\u8981\u6c42\u4e5f\u5c31\u8d8a\u9ad8\u3002\u7576\u7136\uff0c\u6700\u7d42\u9084\u5f97\u53d6\u6c7a\u65bc\u710a\u63a5\u5f8c\u7684\u54c1\u8cea\u72c0\u6cc1\u3002<\/font><\/p>\n

<\/p>\n

\u6c7a\u5b9a\u92fc\u677f\u539a\u5ea6\u7684\u56e0\u7d20<\/font><\/h2>\n

\u6c7a\u5b9a\u92fc\u677f\u7684\u539a\u5ea6\u6642\u8981\u512a\u5148\u8003\u616e\u4e0a\u8ff0\u90a3\u4e9b\u7d30\u5c0f\u9593\u8ddd\u96f6\u4ef6\u7684\u7528\u932b\u91cf\uff0c\u4ee50402\u96f6\u4ef6\u4f86\u8aaa\u4e00\u822c\u6703\u4f7f\u75280.12mm\u7684\u92fc\u677f\u539a\u5ea6\uff0c\u800c0201\u96f6\u4ef6\u5247\u5927\u591a\u6703\u9078\u75280.10mm\u539a\u5ea6\u7684\u92fc\u677f\uff0c\u96a8\u8457\u96f6\u4ef6\u8d8a\u4f86\u8d8a\u5c0f\u4e14\u540c\u4e00\u677f\u5b50\u4e0a\u7d30\u5c0f\u96f6\u4ef6\u6578\u91cf\u589e\u52a0\uff0c\u6709\u4eba\u958b\u59cb\u4f7f\u75280.08mm\u539a\u5ea6\u7684\u92fc\u677f\uff0c\u7136\u5f8c\u518d\u91dd\u5c0d\u90a3\u4e9b\u9700\u8981\u8f03\u591a\u932b\u818f\u91cf\u7684\u96f6\u4ef6\u53bb\u505a\u5c40\u90e8\u52a0\u539a\u8655\u7406\u7684\u968e\u68af\u92fc\u677f(step-down stencil)<\/a>\uff0c\u53ea\u662f\u5c40\u90e8\u52a0\u539a\u92fc\u677f\u662f\u6709\u5176\u539a\u5ea6\u4fb7\u9650\u7684\uff0c\u4e00\u822c\u4f86\u8aaa\u53ef\u4ee5\u5f80\u4e0a\u52a0\u500b0.01~0.08mm\uff0c\u800c\u4e14\u9084\u5f97\u770b\u5c40\u90e8\u52a0\u539a\u5340\u57df\u7684\u9644\u8fd1\u6709\u7121\u7d30\u5c0f\u96f6\u4ef6\uff0c\u56e0\u70ba\u522e\u5200\u5728\u522e\u904e\u5c40\u90e8\u52a0\u539a\u7684\u5340\u57df\u6642\uff0c\u6703\u88ab\u7a81\u7136\u9802\u9ad8\u9020\u6210\u5c40\u90e8\u8b8a\u5f62\uff0c\u5982\u679c\u5728\u92fc\u677f\u5c40\u90e8\u52a0\u539a\u5340\u57df\u7684\u908a\u7de3\u6709\u958b\u5b54\uff0c\u5c31\u6703\u9020\u6210\u932b\u818f\u91cf\u5370\u5237\u4e0d\u5747\u6216\u932b\u818f\u91cf\u904e\u591a\u7684\u73fe\u8c61\u51fa\u73fe\u3002<\/font><\/p>\n

<\/font><\/p>\n

\u53e6\u5916\uff0c\u539a\u5ea6\u8d8a\u8584\u7684\u92fc\u677f\uff0c\u932b\u818f\u843d\u932b\u91cf\u7684\u63a7\u5236\u5c31\u8d8a\u4e0d\u7a69\u5b9a\uff0c\u4e5f\u5c31\u662f\u8aaa\u5370\u5237\u5728\u96fb\u8def\u677f\u7684\u932b\u818f\u91cf\u4e4b\u7cbe\u6e96\u5ea6\u6703\u8b8a\u5dee\uff0c\u9019\u662f\u56e0\u70ba\u92fc\u677f\u958b\u5b54\u7684\u5782\u76f4\u9762\u4e26\u4e0d\u5982\u60f3\u50cf\u4e2d\u7684\u5149\u6ed1\uff0c\u4f9d\u7167\u4e0d\u540c\u7684\u92fc\u677f\u88fd\u4f5c\u5de5\u85dd\uff0c\u5982Etching, Laser, Coating, Electroform\u7b49\uff0c\u6703\u51fa\u73fe\u4e0d\u540c\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\uff0c\u800c\u8868\u9762\u8d8a\u7c97\u7cd9\u7684\u958b\u5b54\uff0c\u5247\u8d8a\u5bb9\u6613\u767c\u751f\u932b\u818f\u6b98\u7559\u5728\u5782\u76f4\u9762\u7684\u554f\u984c\uff0c\u4e00\u65e6\u767c\u751f\u5c31\u6703\u9020\u6210\u5f8c\u7e8c\u5370\u5237\u7684\u932b\u818f\u91cf\u77ed\u7f3a\uff0c\u5176\u4ed6\u5982\u522e\u5200\u58d3\u529b\u3001\u901f\u5ea6\u3001\u89d2\u5ea6\u53ca\u932b\u818f\u865f\u6578(\u932b\u7c89\u9846\u7c92\u5927\u5c0f)\u7b49\u4e5f\u90fd\u6703\u5f71\u97ff\u5230\u932b\u818f\u7684\u5370\u5237\u54c1\u8cea\u3002<\/font><\/p>\n

\u92fc\u677f\u958b\u5b54\u7684\u5927\u5c0f\u53ca\u5f62\u72c0<\/font><\/h2>\n

\u81f3\u65bc\uff0c\u92fc\u677f\u958b\u5b54\u7684\u5927\u5c0f\u53ca\u5f62\u72c0\uff0c\u539f\u5247\u4e0a\u662f\u4f9d\u7167\u96fb\u8def\u677f\u4e0a\u710a\u588a1:1\u7684\u5927\u5c0f\u53ca\u5f62\u72c0\u4f86\u958b\u7684\uff0c\u7136\u5f8c\u518d\u91dd\u5c0d\u4e00\u4e9b\u6bd4\u8f03\u7279\u6b8a\u7684\u96f6\u4ef6\u4f86\u505a\u958b\u5b54\u7684\u5916\u64f4\u3001\u7e2e\u6e1b\u6216\u662f\u4fee\u6539\u5f62\u72c0\u4ee5\u7b26\u5408\u8a72\u96f6\u4ef6\u7684\u710a\u932b\u9700\u8981\uff0c\u6709\u4e9b\u96f6\u4ef6\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u5230\u968e\u68af\u92fc\u677f\u4f86\u5c40\u90e8\u589e\u52a0\u6216\u6e1b\u5c11\u932b\u818f\u91cf\u3002<\/font><\/p>\n

\u5efa\u8b70\u5927\u5bb6\u53ef\u4ee5\u5148\u53c3\u95b1IPC-7525 Stencil-Design-Guidelines(\u92fc\u677f\u8a2d\u8a08\u6307\u5357)\u6587\u4ef6\uff0c\u9019\u4efd\u6587\u4ef6\u4e2d\u63d0\u5230\uff1a<\/font><\/p>\n

1. \u70ba\u4e86\u78ba\u4fdd\u932b\u818f\u53ef\u4ee5\u7d93\u7531\u92fc\u677f\u958b\u5b54\u88ab\u5b8c\u7f8e\u7684\u8f49\u5370\u5230\u96fb\u8def\u677f\u4e0a\uff0c\u8a72\u6587\u4ef6\u8981\u6c42\u92fc\u677f\u7684\u958b\u5b54\u53ca\u539a\u5ea6\u4e0a\u5fc5\u9808\u8981\u6709\u4e00\u5b9a\u7684\u6bd4\u7387\uff0c\u4ee5\u907f\u514d\u932b\u818f\u56e0\u70ba\u8868\u9762\u5f35\u529b\u800c\u7121\u6cd5\u5b8c\u5168\u843d\u932b\u3002<\/font><\/p>\n

<\/font><\/p>\n