Willibald Bernwinkler

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Anzenkirchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor wafer with improved flatness, and process for produci...
- Patent number 6,583,050
- Issue date Jun 24, 2003
- Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
- Guido Wenski
- B24 - GRINDING POLISHING
Information Patent Grant
Semiconductor wafer with improved flatness, and process for produci...
- Patent number 6,458,688
- Issue date Oct 1, 2002
- Wacker Siltronic Gesellschaft für Halbleiter-Materialien AG
- Guido Wenski
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor wafer with improved flatness, and process for produci...
- Publication number 20030045089
- Publication date Mar 6, 2003
- WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG
- Guido Wenski
- B24 - GRINDING POLISHING