Raymond W. Hamaker

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Gilroy, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fabrication method for vertical PNP structure with Schottky barrier...
- Patent number 4,412,376
- Issue date Nov 1, 1983
- IBM Corporation
- David E. De Bar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dense dry etched multi-level metallurgy with non-overlapped vias
- Patent number 4,289,834
- Issue date Sep 15, 1981
- IBM Corporation
- George E. Alcorn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for forming dense dry etched multi-level metallurgy with non...
- Patent number 4,172,004
- Issue date Oct 23, 1979
- International Business Machines Corporation
- George E. Alcorn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Technique for preventing forward biased epi-isolation degradation
- Patent number 4,113,512
- Issue date Sep 12, 1978
- International Business Machines Corporation
- Robert Lee Ayers
- H01 - BASIC ELECTRIC ELEMENTS