发明名称 Lead frames with location eye point markings
摘要 The disclosure relates to providing locating eye point markings on two selected terminals of a cer-dip lead frame The eye point markings take the form of physical indentations on the outer ends of the terminals outside their coined areas. The markings are of a character sufficient to allow electromagnetic wave detections.
申请公布号 US5216277(A) 申请公布日期 1993.06.01
申请号 US19910785816 申请日期 1991.10.31
申请人 NATIONAL SEMICONDUCTOR CORPORATION 发明人 COTE, JAMES M.;EKBERG, JURGEN M.
分类号 H01L23/495;H01L23/544 主分类号 H01L23/495
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