发明名称 SYSTEME D'ANTI-OXYDATION POUR SOUDEUSE DE FIL UTILISANT UN FIL EN CUIVRE
摘要 An anti-oxidation system of a wire bonder for bonding a wire between a chip pad and a lead frame for a semiconductor device, said wire being comprised of an oxidizable material such as copper or aluminum, wherein a reduction gas for preventing oxidation of the wire is periodically supplied around a spool wound by said wire, at least one gas tube for supplying the reduction gas is disposed towards both sides of a capillary device drawing out the wire, said gas tubes being disposed just beneath the end of capillary device in opposite directions to each other, and a torch being disposed facing with a lower surface of either one of said gas tubes and just beneath the capillary device.
申请公布号 FR2632229(B1) 申请公布日期 1991.11.29
申请号 FR19890007102 申请日期 1989.05.30
申请人 SAMSUNG ELECTRONICS CO LTD 发明人 WAN-KYOON CHOI;JONG-WHAN KIM
分类号 B23K20/00;B23K20/14;H01L21/00;H01L21/60 主分类号 B23K20/00
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