发明名称 Method for encapsulation of semiconductor devices with resin and leadframe therefor
摘要 A leadframes is provided with at least one supporting portion extending from an island thereof in the direction opposite to a surface on which a semiconductor chip is mounted, so that the supporting portion comes into contact with a bottom surface of a cavity of a mold for encapsulation of semiconductor chips with a resin when said mold is closed.
申请公布号 US5750423(A) 申请公布日期 1998.05.12
申请号 US19950519588 申请日期 1995.08.25
申请人 DAI-ICHI SEIKO CO., LTD. 发明人 ISHII, MASAAKI
分类号 H01L21/56;H01L23/495;(IPC1-7):H01L21/60 主分类号 H01L21/56
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