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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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