Jurgen Kempf

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Schoenaich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Mask for ion, electron or X-ray lithography and method of making it
- Patent number 4,855,197
- Issue date Aug 8, 1989
- International Business Machines Corporation
- Werner Zapka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic head slider of ceramic material
- Patent number 4,549,238
- Issue date Oct 22, 1985
- International Business Machines Corporation
- Friedrich Ertingshausen
- G11 - INFORMATION STORAGE
Information Patent Grant
Reactor for reactive ion etching and etching method
- Patent number 4,424,102
- Issue date Jan 3, 1984
- International Business Machines Corporation
- Christine Brandeis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of making semiconductor device structures by means of ion im...
- Patent number 4,386,968
- Issue date Jun 7, 1983
- International Business Machines Corporation
- Holger Hinkel
- H01 - BASIC ELECTRIC ELEMENTS