Jochen Sigmund

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Jena, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing silicone wafers
- Patent number 7,909,678
- Issue date Mar 22, 2011
- Schott AG
- Andreas Menzel
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING SILICONE WAFERS
- Publication number 20090060821
- Publication date Mar 5, 2009
- Andreas Menzel
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR MANUFACTURING SILICONE WAFERS
- Publication number 20090061740
- Publication date Mar 5, 2009
- Andreas Menzel
- C30 - CRYSTAL GROWTH