发明名称 Verfahren zur Erzeugung von Lothügeln auf einem Substrat
摘要 In a method of producing solder bumps on a substrate by contact with a molten solder bath, at least part of the substrate is cooled during contact with (preferably immersion in) the solder bath. Preferably, the substrate is a chip or wafer and is briefly dipped into the solder bath or wetted by a solder wave.
申请公布号 DE19625139(C2) 申请公布日期 2001.03.08
申请号 DE1996125139 申请日期 1996.06.24
申请人 FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 发明人 OPPERMANN, HANS-HERMANN
分类号 B23K1/08;H05K3/34;(IPC1-7):B23K1/20 主分类号 B23K1/08
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