Werner Zapka

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Gaertringen-Rohrau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for making masks with structures in the submicron range
- Patent number 5,055,383
- Issue date Oct 8, 1991
- International Business Machines Corporation
- Otto Koblinger
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Removal of particles from solid-state surfaces by laser bombardment
- Patent number 4,980,536
- Issue date Dec 25, 1990
- International Business Machines Corporation
- Karl Asch
- B08 - CLEANING
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
System for testing magnetic head/disk interfaces
- Patent number 4,724,392
- Issue date Feb 9, 1988
- International Business Machines Corporation
- Upali Bandara
- G11 - INFORMATION STORAGE
Information Patent Grant
Error-corrected corpuscular beam lithography
- Patent number 4,578,587
- Issue date Mar 25, 1986
- International Business Machines Corporation
- Uwe Behringer
- B82 - NANO-TECHNOLOGY