{"id":4729,"date":"2026-02-26T06:37:28","date_gmt":"2026-02-26T06:37:28","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4729"},"modified":"2026-02-26T06:37:34","modified_gmt":"2026-02-26T06:37:34","slug":"how-cte-affects-pcb-reliability-and-design","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/ja\/how-cte-affects-pcb-reliability-and-design\/","title":{"rendered":"CTE\u304cPCB\u306e\u4fe1\u983c\u6027\u3068\u8a2d\u8a08\u306b\u4e0e\u3048\u308b\u5f71\u97ff"},"content":{"rendered":"

\u6750\u6599\u306e\u71b1\u81a8\u5f35\u4fc2\u6570\uff08CTE\uff09\u306f\u3001\u6750\u6599\u306e\u7269\u7406\u7684\u7279\u6027\u306e\u3072\u3068\u3064\u3067\u3042\u308b\u3002\u6e29\u5ea6\u304c\u5909\u5316\u3059\u308b\u3068\u3001\u90e8\u54c1\u306f\u5f62\u72b6\u3092\u5909\u3048\u3001\u5fdc\u529b\u304c\u767a\u751f\u3059\u308b\u3002\u305d\u308c\u3092\u6b62\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u3042\u3089\u3086\u308b\u96fb\u5b50\u88fd\u54c1\u306e\u88fd\u9020\u306e\u6838\u5fc3\u306f\u3001\u30d7\u30ea\u30f3\u30c8\u57fa\u677f\uff08PCB\uff09\u306e\u4e0a\u306b\u8981\u4ef6\u3092\u6e80\u305f\u3059\u90e8\u54c1\u3092\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u79c1\u305f\u3061\u306f\u3001\u306f\u3093\u3060\u4ed8\u3051\u306b\u3088\u3063\u3066\u90e8\u54c1\u3092\u57fa\u677f\u306b\u63a5\u5408\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b \u30b9\u30eb\u30fc\u30db\u30fc\u30eb\u6280\u8853\uff08THT\uff09<\/a>, \u90e8\u54c1\u306b\u306f\u30ea\u30fc\u30c9\u7dda\u304c\u3042\u308b\u3002\u57fa\u677f\u304c\u66f2\u3052\u3089\u308c\u305f\u308a\u81a8\u5f35\u3057\u305f\u308a\u3059\u308b\u3068\u3001\u30ea\u30fc\u30c9\u304c\u66f2\u304c\u3063\u3066\u5fdc\u529b\u3092\u5438\u53ce\u3059\u308b\u3002\u305d\u3046\u3059\u308b\u3068\u90e8\u54c1\u672c\u4f53\u306b\u304b\u304b\u308b\u30b9\u30c8\u30ec\u30b9\u306f\u5c11\u306a\u304f\u306a\u308b\u3002\u3064\u307e\u308a\u3001\u30ea\u30fc\u30c9\u304c\u9577\u3051\u308c\u3070\u9577\u3044\u307b\u3069\u3001\u90e8\u54c1\u672c\u4f53\u306b\u304b\u304b\u308b\u5fdc\u529b\u306f\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002\u6e29\u5ea6\u5909\u5316\u306b\u3088\u308b\u306f\u3093\u3060\u5fdc\u529b\u306f\u3001\u4e3b\u306b\u306f\u3093\u3060\u63a5\u5408\u90e8\u3068\u30d1\u30c3\u30c9\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u305d\u308c\u304c\u306f\u3093\u3060\u306e\u4fe1\u983c\u6027\u306b\u5f71\u97ff\u3059\u308b\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n

\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408 \u8868\u9762\u5b9f\u88c5\u6280\u8853\uff08SMT\uff09<\/a>, \u305d\u306e\u305f\u3081\u3001\u3088\u308a\u591a\u304f\u306e\u30d1\u30fc\u30c4\u3092\u57fa\u677f\u4e0a\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3057\u304b\u3057\u3001\u90e8\u54c1\u306b\u306f\u30b9\u30c8\u30ec\u30b9\u3092\u5438\u53ce\u3059\u308b\u305f\u3081\u306e\u9577\u3044\u30ea\u30fc\u30c9\u7dda\u304c\u306a\u3044\u3002\u30b9\u30c8\u30ec\u30b9\u306f\u90e8\u54c1\u672c\u4f53\u306b\u76f4\u63a5\u4f1d\u308f\u308a\u307e\u3059\u3002\u57fa\u677f\u3068\u90e8\u54c1\u306e\u81a8\u5f35\u7387\u304c\u7570\u306a\u308c\u3070\u3001\u90e8\u54c1\u3084\u306f\u3093\u3060\u63a5\u5408\u90e8\u304c\u58ca\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n

FR4\u6bcd\u6750\u306eCTE\u7279\u6027<\/h2>\n\n\n\n

\u4e00\u822c\u7684\u306a\u30ac\u30e9\u30b9\u7e4a\u7dad\u5f37\u5316\u57fa\u6750\uff08fr4\uff09<\/a> \u306f\u3001z\u8ef8\u65b9\u5411\uff08\u57fa\u677f\u306e\u539a\u307f\u3092\u901a\u308b\u65b9\u5411\uff09\u3068x-y\u5e73\u9762\u65b9\u5411\uff08\u57fa\u677f\u306b\u6cbf\u3063\u305f\u65b9\u5411\uff09\u3067CTE\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u6e29\u5ea6\u304c\u4e0a\u6607\u3059\u308b\u3068\u3001\u57fa\u677f\u306fz\u65b9\u5411\u306b\u5927\u304d\u304f\u81a8\u5f35\u3059\u308b\u3002\u6750\u6599\u304c\u30ac\u30e9\u30b9\u8ee2\u79fb\u6e29\u5ea6Tg\u4ee5\u4e0b\u306e\u5834\u5408\u3001\u6750\u6599\u306f\u30ac\u30e9\u30b9\u72b6\u614b\u306b\u3042\u308a\u3001\u305d\u306eCTE\u306f\u5c0f\u3055\u3044\u3002\u3053\u306eCTE\u5024\u3092a1\u3068\u547c\u3076\u3002\u6750\u6599\u304cTg\u4ee5\u4e0a\u306e\u5834\u5408\u3001\u6750\u6599\u306f\u30b4\u30e0\u306e\u3088\u3046\u306a\u72b6\u614b\u306b\u3042\u308a\u3001\u305d\u306eCTE\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306eCTE\u5024\u3092a2\u3068\u547c\u3076\u3002\u901a\u5e38\u3001a2\u306fa1\u306e\u7d043\u500d\u3067\u3059\u3002.<\/p>\n\n\n\n

\u4f8b\u3048\u3070\u3001\u6e29\u5ea6\u304cTg\u4ee5\u4e0b\u306e\u5834\u5408\u3001\u30ac\u30e9\u30b9\u7e4a\u7dad\u30a8\u30dd\u30ad\u30b7\u306eX\u65b9\u5411\u3068Y\u65b9\u5411\u306eCTE\u306f\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7d041\uff5e5ppm\/\u2103\u306e\u5dee\u304c\u3042\u308b\u3002z\u65b9\u5411\u3067\u306f\u7d0420ppm\/\u2103\u306e\u5dee\u304c\u3042\u308b\u3002\u5927\u578b\u306e\u8868\u9762\u5b9f\u88c5\u30c7\u30d0\u30a4\u30b9\u304c\u57fa\u677f\u3068\u4e00\u81f4\u3059\u308bCTE\u3092\u6301\u3064\u5834\u5408\u3001\u3053\u306e\u5dee\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u306f\u3093\u3060\u63a5\u5408\u90e8\u306e\u5bff\u547d\u3092\u5ef6\u3070\u3059\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n\n\n\n

PTH\u3068\u30de\u30a4\u30af\u30ed\u30d3\u30a2\u306b\u5bfe\u3059\u308bCTE\u306e\u5f71\u97ff<\/h2>\n\n\n\n

CTE\u306f\u3001PWA\u306b\u5b9f\u88c5\u3055\u308c\u308b\u30b9\u30eb\u30fc\u30db\u30fc\u30eb\u3084\u30de\u30a4\u30af\u30ed\u30d3\u30a2\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u8981\u7d20\u3067\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u30d3\u30a2\u306e\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\uff08\u57fa\u677f\u306e\u539a\u3055\u3092\u7a74\u306e\u76f4\u5f84\u3067\u5272\u3063\u305f\u5024\uff09\u306f\u3001\u901a\u5e38\u3001\u30d9\u30a2\u57fa\u677f\u306b\u30c9\u30ea\u30eb\u3067\u7a74\u3092\u958b\u3051\u305f\u3060\u3051\u306e\u72b6\u614b\u306e\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3088\u308a\u3082\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002SMT\u30ea\u30d5\u30ed\u30fc\u3001\u90e8\u54c1\u9664\u53bb\u3001\u30ea\u30da\u30a2\u7528\u30ea\u30d5\u30ed\u30fc\u3001\u57fa\u677f\u88fd\u9020\u3001\u30dc\u30fc\u30eb\u53d6\u308a\u4ed8\u3051\u3001\u71b1\u98a8\u30ec\u30d9\u30ea\u30f3\u30b0\u3001\u30a6\u30a7\u30fc\u30d6\u306f\u3093\u3060\u306a\u3069\u306e\u5de5\u7a0b\u3067\u306f\u3001Z\u65b9\u5411\u306eCTE\u304c\u5927\u304d\u3044\u3068PTH\u306e\u5f15\u5f35\u5fdc\u529b\u304c\u5927\u304d\u304f\u306a\u308a\u3059\u304e\u307e\u3059\u3002\u3053\u308c\u306f\u6545\u969c\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

\u305d\u306e\u305f\u3081\u3001\u57fa\u677f\u30d9\u30fc\u30b9\u6750\u3092\u9078\u3076\u969b\u306b\u306f\u3001\u307e\u305a\u305d\u306eCTE\u304c\u5b9f\u88c5\u3059\u308b\u90e8\u54c1\u306eCTE\u3068\u5408\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u88dc\u511f\u63aa\u7f6e\u3092\u8b1b\u3058\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n

PCB\u306eCTE\u306b\u95a2\u3059\u308b\u57fa\u672c\u7684\u306a\u5b9a\u7fa9\u3068\u610f\u7fa9<\/h2>\n\n\n\n

PCB\u306b\u3064\u3044\u3066\u8a9e\u308b\u3068\u304d\u3001\u591a\u304f\u306e\u4eba\u304cCTE\u3068\u3044\u3046\u8a00\u8449\u3092\u4f7f\u3046\u3002\u3057\u304b\u3057\u3001CTE\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3001\u307e\u305fCTE\u304c\u57fa\u677f\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u59cb\u3081\u308b\u306e\u304b\u3092\u672c\u5f53\u306b\u77e5\u3063\u3066\u3044\u308b\u4eba\u306f\u3069\u308c\u307b\u3069\u3044\u308b\u306e\u3060\u308d\u3046\u304b\u3002<\/p>\n\n\n\n

CTE\u306f\u71b1\u81a8\u5f35\u4fc2\u6570\u306e\u7565\u3002\u30d7\u30ea\u30f3\u30c8\u57fa\u677f\u3092\u52a0\u71b1\u307e\u305f\u306f\u51b7\u5374\u3057\u305f\u3068\u304d\u306e\u30b5\u30a4\u30ba\u306e\u5909\u5316\u7387\u3092\u793a\u3057\u307e\u3059\u3002\u4e16\u306e\u4e2d\u306e\u3042\u3089\u3086\u308b\u6750\u6599\u306f\u3001\u6e29\u5ea6\u306b\u3088\u3063\u3066\u5c11\u3057\u305a\u3064\u81a8\u5f35\u3057\u305f\u308a\u53ce\u7e2e\u3057\u305f\u308a\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u5bb6\u306f\u51ac\u3088\u308a\u3082\u590f\u306e\u65b9\u304c\u308f\u305a\u304b\u306b\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

\u52a0\u71b1\u3059\u308b\u3068\u53ce\u7e2e\u3059\u308b\u6750\u6599\u3082\u3042\u308b\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u6750\u6599\u306f\u52a0\u71b1\u3059\u308b\u3068\u5c11\u3057\u81a8\u5f35\u3059\u308b\u3002\u81a8\u5f35\u306f100\u4e07\u5206\u306e1\u2103\uff08ppm\/\u2103\uff09\u3067\u793a\u3055\u308c\u308b\u3002PCB\u304c\u6a2a\u65b9\u5411\u306b14ppm\/\u2103\u81a8\u5f35\u3059\u308b\u5834\u5408\u3001PCB\u304c100\u4e07\u30a4\u30f3\u30c1\u306e\u9577\u3055\u3067\u3042\u308c\u3070\u30011\u2103\u4e0a\u6607\u3059\u308b\u3054\u3068\u306b14\u30a4\u30f3\u30c1\u4f38\u3073\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

PCB\u3068\u30b7\u30ea\u30b3\u30f3\u30c1\u30c3\u30d7\u9593\u306eCTE\u30df\u30b9\u30de\u30c3\u30c1<\/h2>\n\n\n\n

\u5178\u578b\u7684\u306afr4\u30e9\u30df\u30cd\u30fc\u30c8\u306eCTE\u306f14\uff5e17ppm\/\u2103\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u3001\u5927\u578b\u30b7\u30ea\u30b3\u30f3\u30c1\u30c3\u30d7\u3068\u6bd4\u8f03\u3059\u308b\u307e\u3067\u306f\u5927\u4e08\u592b\u306b\u898b\u3048\u308b\u3002\u591a\u304f\u306e\u30b7\u30ea\u30b3\u30f3\u30c1\u30c3\u30d7\u306eCTE\u306f6ppm\/\u00b0C\u306b\u8fd1\u3044\u3002\u3053\u306e\u81a8\u5f35\u306e\u5dee\u306f\u5341\u5206\u306b\u5927\u304d\u304f\u3001\u7279\u306b\u5927\u578b\u306eBGA\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u306f\u3001PCB\u3068\u30c1\u30c3\u30d7\u304c\u71b1\u3092\u6301\u3064\u3068\u3001PCB\u304c\u30c1\u30c3\u30d7\u3088\u308a\u3082\u5927\u304d\u304f\u81a8\u5f35\u3057\u307e\u3059\u3002\u3053\u306e\u4f59\u5206\u306a\u52d5\u304d\u304c\u3001\u306f\u3093\u3060\u63a5\u5408\u90e8\u3092\u30c1\u30c3\u30d7\u304b\u3089\u5f15\u304d\u5265\u304c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

\u305d\u306e\u305f\u3081\u3001PCB\u306e\u89b3\u70b9\u304b\u3089\u306f\u3001\u30e1\u30fc\u30ab\u30fc\u306f\u4f4eCTE\u6750\u6599\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u3057\u304b\u3057\u3001CTE\u306f\u57fa\u677f\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n

PCB\u6750\u6599\u3068\u90e8\u54c1\u306e\u4ee3\u8868\u7684\u306aCTE\u5024<\/h3>\n\n\n\n
\u7d20\u6750\uff0f\u90e8\u54c1<\/th>CTE\uff08X-Y\u65b9\u5411\uff09 ppm\/\u00b0C<\/th>CTE\uff08Z\u65b9\u5411\uff09 ppm\/\u00b0C<\/th>\u5099\u8003<\/th><\/tr><\/thead>
\u6a19\u6e96FR-4\u30e9\u30df\u30cd\u30fc\u30c8<\/td>14 - 17<\/td>60\uff5e70\uff08Tg\u4ee5\u4e0a\u306f200\u3092\u8d85\u3048\u308b\u3053\u3068\u3082\u3042\u308b\uff09<\/td>\u6700\u3082\u4e00\u822c\u7684\u306aPCB\u6750\u6599<\/td><\/tr>
\u9ad8Tg FR-4<\/td>12 - 16<\/td>50 - 60<\/td>\u3088\u308a\u512a\u308c\u305f\u71b1\u5b89\u5b9a\u6027<\/td><\/tr>
\u30dd\u30ea\u30a4\u30df\u30c9PCB\u6750\u6599<\/td>12 - 14<\/td>40 - 50<\/td>\u9ad8\u6e29\u7528\u9014\u306b\u4f7f\u7528<\/td><\/tr>
\u9285<\/td>16.5 - 17<\/td>16.5 - 17<\/td>\u53c2\u8003\u5c0e\u4f53\u6750\u6599<\/td><\/tr>
\u30b7\u30ea\u30b3\u30f3\u30c1\u30c3\u30d7<\/td>2.6 - 3\uff08\u30d0\u30eb\u30af\u30b7\u30ea\u30b3\u30f3\uff09<\/td>-<\/td>\u30d1\u30c3\u30b1\u30fc\u30b8\u5b9f\u52b9 ~6 ppm\/\u00b0C<\/td><\/tr>
BGA\u30d1\u30c3\u30b1\u30fc\u30b8\uff08\u4ee3\u8868\u5024\uff09<\/td>6 - 10<\/td>-<\/td>\u57fa\u677f\u306e\u7a2e\u985e\u306b\u3088\u308b<\/td><\/tr>
\u30bb\u30e9\u30df\u30c3\u30af\u30d1\u30c3\u30b1\u30fc\u30b8<\/td>6 - 8<\/td>-<\/td>\u30b7\u30ea\u30b3\u30f3\u3068\u306e\u826f\u597d\u306aCTE\u30de\u30c3\u30c1\u30f3\u30b0<\/td><\/tr>
\u30a2\u30eb\u30df\u30cb\u30a6\u30e0<\/td>22 - 24<\/td>22 - 24<\/td>\u30e1\u30bf\u30eb\u30b3\u30a2PCB\u306b\u4f7f\u7528<\/td><\/tr>
\u9285-\u30a4\u30f3\u30d0\u30fc\u9285\uff08CIC\uff09\u30b3\u30a2<\/td>8 - 10<\/td>8 - 10<\/td>\u4f4e\u71b1\u81a8\u5f35\u7387\u30e1\u30bf\u30eb\u30b3\u30a2<\/td><\/tr>
\u9285-\u30e2\u30ea\u30d6\u30c7\u30f3-\u9285\uff08CMC\uff09\u30b3\u30a2<\/td>6 - 8<\/td>6 - 8<\/td>\u8d85\u4f4eCTE\u30e1\u30bf\u30eb\u30b3\u30a2<\/td><\/tr>
\u30a2\u30e9\u30df\u30c9\uff0f\u30b1\u30d6\u30e9\u30fc\u30b3\u30a2<\/td>7 - 8<\/td>7 - 8<\/td>\u4f4eCTE\u8907\u5408\u6750\u6599<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4f4eCTE PCB\u30b3\u30a2\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/h2>\n\n\n\n

\u30e9\u30df\u30cd\u30fc\u30c8\u3092\u9078\u3076\u3068\u304d\u3001\u79c1\u305f\u3061\u306fTg\u3001\u8a98\u96fb\u7387Dk\u3001\u8a98\u96fb\u6b63\u63a5Df\u306a\u3069\u306e\u30b9\u30da\u30c3\u30af\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3059\u3079\u3066\u91cd\u8981\u3067\u3001\u4e92\u3044\u306b\u5f71\u97ff\u3057\u5408\u3046\u3002CTE\u3092\u4f4e\u304f\u3059\u308b\u305f\u3081\u306b\u30e9\u30df\u30cd\u30fc\u30c8\u3092\u9078\u3076\u3068\u3001\u3069\u306efr4\u30bf\u30a4\u30d7\u3082\u4f3c\u305f\u3088\u3046\u306aCTE\u5024\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5927\u534a\u306f\u307e\u3060\u9ad8\u3044\uff08\u7d0414ppm\/\u2103\uff09\u3002\u3064\u307e\u308a\u3001\u975e\u5e38\u306b\u5927\u304d\u306a\u30b7\u30ea\u30b3\u30f3\u30fb\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u306f\u3001CTE\u3092\u5236\u5fa1\u3059\u308b\u5225\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u306a\u306e\u3060\u3002\u4e00\u3064\u306e\u65b9\u6cd5\u306f\u3001\u91d1\u5c5e\u3001\u30b1\u30d6\u30e9\u30fc\u3001\u307e\u305f\u306f\u30a2\u30e9\u30df\u30c9\u88fd\u306e\u30b3\u30a2\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n

\u3053\u308c\u3089\u306e\u4f4eCTE\u30b3\u30a2\u306f\u3001\u4f4eCTE\u30dc\u30fc\u30c9\u3092\u4f5c\u308b\u305f\u3081\u306bfr4\u5916\u5c64\u306e\u4e0b\u306b\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u91d1\u5c5e\u30b3\u30a2\u306f\u3001\u9285-\u30a4\u30f3\u30d0\u30fc\u9285\uff08CIC\uff09\u307e\u305f\u306f\u9285-\u30e2\u30ea\u30d6\u30c7\u30f3-\u9285\uff08CMC\uff09\u3067\u3042\u308b\u3002\u539a\u3055\u306f\u901a\u5e38\u7d046\u30df\u30eb\u3067\u3059\u3002\u91d1\u5c5e\u30b3\u30a2\u306e\u5916\u9762\u306b\u9285\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u901a\u5e38\u306efr4\u30d7\u30ea\u30d7\u30ec\u30b0\u3084\u30b3\u30a2\u3092\u91d1\u5c5e\u306e\u4e0a\u306b\u30e9\u30df\u30cd\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n

\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b2\u3064\u306e\u91d1\u5c5e\u30b3\u30a2\u306fCIC\u3068CMC\u3067\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u30b3\u30a2\u306eCTE\u5024\u306f\u305d\u308c\u305e\u308c\u7d048ppm\/\u2103\u3068\u7d046ppm\/\u2103\u3067\u3042\u308b\u3002fr4\u5916\u5c64\u3092\u91d1\u5c5e\u30b3\u30a2\u306b\u56fa\u5b9a\u3059\u308b\u3068\u3001\u57fa\u677f\u5168\u4f53\u306eCTE\u306fCIC\u3067\u7d0412ppm\/\u2103\u3001CMC\u3067\u7d049ppm\/\u2103\u306b\u306a\u308b\u3002.<\/p>\n\n\n\n

\u30b1\u30d6\u30e9\u30fc\u30fb\u30b5\u30fc\u30e2\u30a6\u30f3\u30c8\u3084\u30a2\u30e9\u30df\u30c9\u30fb\u30e9\u30df\u30cd\u30fc\u30c8\u3092\u30b3\u30a2\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4f4e\u30b3\u30a2CTE\u306f\u7d047\uff5e8ppm\/\u2103\u3067\u3059\u3002\u6a19\u6e96\u7684\u306afr4\u5916\u5c64\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u57fa\u677f\u5168\u4f53\u306eCTE\u306f\u7d0412ppm\/\u2103\u306b\u306a\u308a\u307e\u3059\u3002\u591a\u5c64\u88fd\u9020\u3067\u306f\u3001\u4f4eCTE\u30b3\u30a2\u304c\u4e00\u822c\u7684\u306afr4\u30b3\u30a2\u306b\u53d6\u3063\u3066\u4ee3\u308f\u308b\u3002\u8208\u5473\u6df1\u3044\u306e\u306f\u3001\u30b1\u30d6\u30e9\u30fc\u7e4a\u7dad\u304c\u5b9f\u306f\u8ca0\u306e\u71b1\u81a8\u5f35\u7387\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002\u7e4a\u7dad\u3092\u30a8\u30dd\u30ad\u30b7\u3067\u7d50\u5408\u3059\u308b\u3068\u3001\u7d50\u679c\u3068\u3057\u3066CTE\u304c\u308f\u305a\u304b\u306b\u30d7\u30e9\u30b9\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

\u4f4eCTE\u30b3\u30a2\u306e\u30b3\u30b9\u30c8\u3001\u30d7\u30ed\u30bb\u30b9\u3001\u305d\u306e\u4ed6\u306e\u5229\u70b9<\/h2>\n\n\n\n

\u4f4eCTE\u30e9\u30df\u30cd\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u6700\u3082\u9ad8\u4fa1\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u901a\u5e38\u30e1\u30bf\u30eb\u30b3\u30a2\u3067\u3042\u308b\u3002\u30b1\u30d6\u30e9\u30fc\u3084\u30a2\u30e9\u30df\u30c9\u306e\u30e9\u30df\u30cd\u30fc\u30c8\u306f\u30b3\u30b9\u30c8\u304c\u4f4e\u3044\u3002\u4ee5\u524d\u306f\u30a2\u30fc\u30ed\u30f3\u30b1\u30d6\u30e9\u30fc\u30b5\u30fc\u30de\u30a6\u30f3\u30c8\u306f\u5165\u624b\u304c\u56f0\u96e3\u3067\u3057\u305f\u304c\u3001\u73fe\u5728\u306f\u65b0\u3057\u3044\u751f\u7523\u306b\u3088\u308a\u4f9b\u7d66\u91cf\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002\u4f4eCTE\u30b3\u30a2\u306f\u3044\u305a\u308c\u3082\u7a74\u3042\u3051\u3084\u52a0\u5de5\u304c\u96e3\u3057\u3044\u3002\u3057\u304b\u3057\u3001\u8d85\u5927\u578b\u30b7\u30ea\u30b3\u30f3\u30d1\u30c3\u30b1\u30fc\u30b8\u306e6\uff5e9ppm\/\u2103\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u552f\u4e00\u306e\u65b9\u6cd5\u3067\u3059\u3002.<\/p>\n\n\n\n

CTE\u3092\u5236\u5fa1\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30e1\u30bf\u30eb\u30b3\u30a2PCB\u306f\u30cf\u30a4\u30d1\u30ef\u30fc\u306e\u71b1\u4f1d\u9054\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u91d1\u5c5e\u306f\u52a0\u71b1\u3055\u308c\u308b\u3068fr4\u3088\u308a\u3082\u81a8\u5f35\u3059\u308b\u3053\u3068\u3092\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u30e1\u30bf\u30eb\u30b3\u30a2\u306f\u3001\u30b1\u30d6\u30e9\u30fc\u3088\u308a\u3082\u57fa\u677f\u306e\u81a8\u5f35\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002\u30e1\u30bf\u30eb\u30b3\u30a2\u306f\u3001\u30b1\u30d6\u30e9\u30fc\u3088\u308a\u3082\u57fa\u677f\u5168\u4f53\u306e\u81a8\u5f35\u3092\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n

CTE\u30df\u30b9\u30de\u30c3\u30c1\u30ea\u30b9\u30af\u4f4e\u6e1b\u306e\u305f\u3081\u306e\u5b9f\u8df5\u7684\u5bfe\u7b56<\/h2>\n\n\n\n

\u5b9f\u969b\u306b\u306f\u3001CTE\u30df\u30b9\u30de\u30c3\u30c1\u306e\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u57fa\u672c\u7684\u306a\u3053\u3068\u304c\u3067\u304d\u308b\uff1a<\/p>\n\n\n\n

\u3067\u304d\u308b\u9650\u308a\u3001\u30dc\u30fc\u30c9\u306eCTE\u3068\u5927\u578b\u30d1\u30c3\u30b1\u30fc\u30b8\u306eCTE\u3092\u4e00\u81f4\u3055\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n

\u5927\u578b\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u306f\u3001CIC\u3001CMC\u3001\u30b1\u30d6\u30e9\u30fc\u3001\u30a2\u30e9\u30df\u30c9\u306a\u3069\u306e\u4f4eCTE\u30b3\u30a2\u3092\u4f7f\u7528\u3059\u308b\u3002.<\/p>\n\n\n\n

Tg\u306b\u6ce8\u610f\u3057\u3001\u6700\u9ad8\u30d7\u30ed\u30bb\u30b9\u6e29\u5ea6\u4ee5\u4e0a\u306eTg\u3092\u6301\u3064\u6750\u6599\u3092\u4f7f\u7528\u3059\u308b\u3002.<\/p>\n\n\n\n

SMT\u90e8\u54c1\u3067\u306f\u3001\u306f\u3093\u3060\u63a5\u5408\u90e8\u306e\u30b9\u30c8\u30ec\u30b9\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u30d1\u30c3\u30c9\u3068\u30e9\u30f3\u30c9\u30d1\u30bf\u30fc\u30f3\u3092\u8a2d\u8a08\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\u88fd\u9020\u3067\u306f\u3001\u30ea\u30d5\u30ed\u30fc\u306e\u30d4\u30fc\u30af\u6e29\u5ea6\u3068\u51b7\u5374\u901f\u5ea6\u3092\u5236\u5fa1\u3059\u308b\u3002.<\/p>\n\n\n\n

\u30b9\u30eb\u30fc\u30db\u30fc\u30eb\u90e8\u54c1\u306b\u306f\u3001\u5fdc\u529b\u3092\u53d7\u3051\u6b62\u3081\u308b\u305f\u3081\u306b\u5c48\u66f2\u53ef\u80fd\u306a\u30ea\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3002.<\/p>\n\n\n\n

\u4f4eCTE\u30b3\u30a2\u306f\u3088\u308a\u9ad8\u4fa1\u3067\u3042\u308a\u3001\u7570\u306a\u308b\u6398\u524a\u5de5\u5177\u3068\u5de5\u7a0b\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n

CTE\u306e\u91cd\u8981\u6027\u306e\u307e\u3068\u3081<\/h2>\n\n\n\n

CTE\u306f\u5358\u7d14\u306a\u6570\u5024\u3067\u3059\u304c\u3001PCB\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u591a\u304f\u306e\u90e8\u5206\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u65e9\u3081\u306b\u8003\u3048\u306a\u3044\u3068\u3001\u306f\u3093\u3060\u63a5\u5408\u90e8\u306e\u4e0d\u5177\u5408\u3084\u90e8\u54c1\u306e\u3072\u3073\u5272\u308c\u3001\u4fe1\u983c\u6027\u306e\u4f4e\u4e0b\u306a\u3069\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u6700\u521d\u304b\u3089CTE\u3092\u8003\u616e\u3057\u305f\u8a08\u753b\u3092\u7acb\u3066\u308c\u3070\u3001\u57fa\u677f\u3084\u90e8\u54c1\u306e\u5bff\u547d\u3092\u5ef6\u3070\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

Material coefficient of thermal expansion (CTE) is one physical property of a material. When temperature changes, the part will change […]<\/p>","protected":false},"author":1,"featured_media":4730,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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