Method of etching chromium patterns and photolithographic masks so produced

IL30485A0Inactive Publication Date: 1968-10-24WESTERN ELECTRIC CO INC

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Patent Information

Application Number: IL30485
Authority / Receiving Office: IL · IL
Patent Type: Applications
Current Assignee / Owner
Priority Date: 1967-08-11
Filing Date: 1968-08-04
Publication Date: 1968-10-24
Estimated Expiration: Not applicable · inactive patent

Application Information

Patent Timeline

11 Aug 1967

Priority

04 Aug 1968

Application

IL30485

24 Oct 1968

Publication

IL30485A0

IPC: C23F1/26; G03F1/54; G03F1/80

CPC: C23F1/26; G03F1/54; G03F1/80

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