Richard E. Gegenwarth

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Poughkeepsie, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Resist protection of ball limiting metal during etch process
- Patent number 5,384,283
- Issue date Jan 24, 1995
- International Business Machines Corporation
- Richard E. Gegenwarth
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Etching processes for avoiding edge stress in semiconductor chip so...
- Patent number 5,268,072
- Issue date Dec 7, 1993
- International Business Machines Corporation
- Birendra N. Agarwala
- H01 - BASIC ELECTRIC ELEMENTS