发明名称 Lead frame tooling design for bleed barrier groove
摘要 An apparatus for forming a stamped groove in a lead frame including a tool for coining the groove in the lead frame. The tool has a shoulder to control swelling of the lead frame surface near the groove.
申请公布号 US2002047185(A1) 申请公布日期 2002.04.25
申请号 US20010862067 申请日期 2001.05.21
申请人 CARTER BUFORD H.;DAVIS DENNIS D. 发明人 CARTER BUFORD H.;DAVIS DENNIS D.
分类号 H01L21/48;H01L23/495;(IPC1-7):H01L23/495 主分类号 H01L21/48
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