IP Library › Granted Patent US 5,545,921
Granted Patent Utility
US 5,545,921 · App. 08/334,478

Personalized area leadframe coining or half etching for reduced mechanical stress at device edge

Inventors: Harold W. Conru, Francis E. Froebel, Albert J. Gregoritsch, Jr., Sheldon C. Rieley, Stephen G. Starr, Ronald R. Uttecht, Eric J. White, Jens Pohl
Patented Case View Patent ↗
Granted: Aug 13, 1996 Filed: Nov 4, 1994
Inventors
Harold W. Conru
Francis E. Froebel
Albert J. Gregoritsch, Jr.
Sheldon C. Rieley
Stephen G. Starr
Ronald R. Uttecht
Eric J. White
Jens Pohl
Assignees (at issue)
International Business Machines Corporation
Siemens Aktiengesellschaft

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Quick Facts
Patent No.
US 5,545,921
App. No.
08/334,478
Filed
1994-11-04
Granted
1996-08-13
Kind
A