Patent search ap:("NORTHERN ELECTRIC CO") AND inv:"DAVIDSON IAN A" Page 1

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发明授权
Method of making large scale integrated circuit 失效
Title translation: 制造大规模集成电路的方法

公开(公告)号：US3423822A

公开(公告)日：1969-01-28

申请号：US3423822D

申请日：1967-02-27

Applicant: NORTHERN ELECTRIC CO

Inventor： DAVIDSON IAN A , HANTUSCH GERALD H , MAY GEORGE A

IPC: H01L21/82 , H01L27/02 , H01L7/64 , H01L19/00

CPC classification number: H01L27/0207 , H01L21/82 , H01L22/22

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