{"id":2951,"date":"2012-01-18T23:26:54","date_gmt":"2012-01-18T15:26:54","guid":{"rendered":"http:\/\/www.g4e.cn\/wordpress\/?p=2951"},"modified":"2013-11-18T15:20:37","modified_gmt":"2013-11-18T07:20:37","slug":"the-application-of-edgebond-adhesive","status":"publish","type":"post","link":"http:\/\/www.g4e.cn\/wordpress\/adhesiveapplication\/2951.html","title":{"rendered":"\u5173\u4e8eEdgebond Adhesive\u7684\u5e94\u7528"},"content":{"rendered":"

\u6700\u8fd1\u6709\u4f4d\u670b\u53cb\u548c\u6211\u54a8\u8be2\u4e00\u4e2a\u578b\u53f7\u4e3aUA-2605-B\u7684\u5e95\u586b\u80f6\u6c34\u54c1\uff0c\u7565\u67e5\u4e86\u4e00\u4e0b\u6ca1\u6709\u627e\u5230\u4ec0\u4e48\u5934\u7eea\uff0c\u4eca\u5929\u5f97\u77e5\u662fzymet\u516c\u53f8\u7684\u4ea7\u54c1\uff0c\u6709\u4e86\u8fd9\u4e9b\u7ebf\u7d22\uff0c\u5c31\u6316\u51fa\u4e86\u66f4\u591a\u7684\u8d44\u6599\u4e86\u3002\u5176\u5b9e\u8fd9\u6b3e\u4ea7\u54c1\u5e76\u975e\u5e95\u586b\u80f6\u7528\u9014\u7684\uff0c\u6709\u4e00\u4e2a\u65b0\u7684\u5199\u6cd5\u662f\uff1aEdgebond Adhesive\uff0c\u4ece\u5b57\u9762\u7406\u89e3\u611f\u89c9\u548ccornerbond\u5e94\u7528\u6bd4\u8f83\u7c7b\u4f3c\uff0c\u5728\u7f51\u4e0a\u67e5\u4e86\u4e00\u4e9b\u8d44\u6599\uff0c\u5927\u5bb6\u5b66\u4e60\u4e00\u4e0b\uff1a<\/p>\n

\u201c\u6676\u7247\u8fb9\u80f6\u7c98\u7ed3\u5242 (Edgebond) \u901a\u5e38\u4f7f\u7528\u65bc\u53ea\u9700\u5c06BGA\/CSP\u6676\u7247\u8fb9\u7f18\u56fa\u5b9a\u5373\u53ef\u8fbe\u5230\u63a5\u8457\u7684\u76ee\u7684\uff0c\u5b83\u4e0d\u50cf\u5e95\u90e8\u586b\u5145\u5242\uff08Underfill\uff09\u5fc5\u987b\u5b8c\u5168\u6e17\u900f\u5230\u8986\u6676\u6676\u7247\u5e95\u90e8\u624d\u53ef\u8fbe\u5230\u5b8c\u5168\u56fa\u5b9a\u7684\u4f5c\u7528\u3002\u70b9\u80f6\u65f6PCB\u4e0d\u9700\u8981\u4e8b\u5148\u9884\u70ed\u4e5f\u6ca1\u6709\u50cf\u5e95\u90e8\u586b\u5145\u5242\u9700\u7b49\u5f85\u80f6\u6750\u5b8c\u5168\u586b\u5145\u5e95\u90e8\u624d\u53ef\u653e\u5165\u70e4\u7bb1\u7684\u95ee\u9898\uff0c\u8fd9\u7f29\u77ed\u4e86\u5de5\u65f6\u4e14\u70b9\u80f6\u7684\u91cf\u5c11\u53ef\u91cd\u5de5\u6240\u4ee5\u6210\u672c\u4e5f\u8f83\u4f4e\u3002\u201d<\/strong><\/p>\n

\u201cReworkable edgebond adhesive improves CBGA and BGA thermal cycle performance:<\/p>\n

April 7, 2011<\/em>\u00a0— Zymet Inc. introduced a reworkable edgebond\u00a0adhesive<\/a>, UA-2605, that improves\u00a0thermal cycle performance<\/a>\u00a0of CBGAs and plastic BGAs.<\/p>\n

In one trial, UA-2605 tripled the 0\u00b0C to +100\u00b0C performance of a CBGA, to nearly 2500 cycles. Previously, underfill was needed to achieve this level of performance, Zymet says.<\/p>\n

 <\/p>\n\n\n\n\n
\"Click<\/td>\n<\/tr>\n
Figure 1. Edgebonded CBGA.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

The edgebond adhesive is easier to process than an underfill. When applying underfill, the printed circuit board (PCB) is preheated to facilitate capillary flow, and multiple dispense passes are used to deposit sufficient material. With UA-2605, only four beads of the adhesive are required, one at each corner. There is no need to preheat the PCB, wait for underfill flow, and make multiple dispensing passes.<\/p>\n

 <\/p>\n\n\n\n\n
\"Click<\/td>\n<\/tr>\n
Figure 2. After removal of underfilled BGA, underfill residues must be removed.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Reworking an underfilled BGA is a time consuming and delicate task. Underfill residues must be removed and, for fine-pitch BGAs, the risk of pad damage is high. With UA-2605, BGA rework is simple and straightforward. The temperature is raised and the adhesive is scraped away; then, the BGA is reflowed and lifted from the board. Little site cleaning is necessary.<\/p>\n

Zymet is a manufacturer of microelectronic and electronic adhesives and encapsulants. Its products include die attach adhesives, substrate adhesives, UV curable glob top and cavity-fill encapsulants, and underfill encapsulants.<\/p>\n

For more information, visit\u00a0www.zymet.com<\/a>.”<\/p>\n

\u540e\u6765\u5c31Edgebond\u7684\u5e94\u7528\u67e5\u627e\u4e86\u4e00\u4e9b\u76f8\u5173\u8d44\u6599\uff0c\u53d1\u73b0\u539f\u6765\u6c49\u9ad8\u5176\u5b9e\u4e5f\u6709\u7528\u4e8e\u8fd9\u4e2a\u5e94\u7528\u70b9\u7684\u4ea7\u54c1\uff0c\u5176\u5b9e\u5927\u5bb6\u6bd4\u8f83\u719f\u6089\u7684\u4f4e\u6e29\u56fa\u5316\u80f63128\u4e5f\u53ef\u4ee5\u7528\u4e8e\u8fd9\u4e2a\u7528\u9014\uff0c\u6293\u56fe\u5982\u4e0b\uff1a<\/p>\n

\"\"<\/a><\/p>\n

<\/h1>\n

\u5728\u7f51\u4e0a\u8fd8\u627e\u5230\u4e86zymet\u516c\u53f8\u7684\u4ea7\u54c1\u53d1\u5e03\u7a3f\u300aReworkable Edgebond Adhesive Improves CBGA and BGAThermal Cycle Performance and Eliminates Underfill\u300b\uff0c\u6709\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u4e0b\u8f7d\u67e5\u770b\u4e4b\uff1a<\/p>\n

\u534e\u4e3a\u7f51\u76d8\u4e0b\u8f7d\uff1ahttp:\/\/dl.dbank.com\/c0h53h4b4r<\/a><\/p>\n

\u672c\u7ad9\u4e0b\u8f7d\uff1a

\"\"  Reworkable Edgebond Adhesive Improves CBGA and BGAThermal Cycle Performance and Eliminates Underfill<\/strong> (207.0 KB, 13 \u6b21)
\u60a8\u6ca1\u6709\u6743\u9650\u4e0b\u8f7d\u6b64\u6587\u4ef6\u3002<\/i><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

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