Helmut Franke

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Burghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a polished semiconductor wafer
- Patent number 8,409,992
- Issue date Apr 2, 2013
- Siltronic AG
- Bertram Moeckel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process and device for the wet-chemical treatment of silicon
- Patent number 7,083,741
- Issue date Aug 1, 2006
- Siltronic AG
- Maximilian Stadler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing a semiconductor wafer
- Patent number 6,767,841
- Issue date Jul 27, 2004
- Siltronic AG
- Günter Schwab
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method For Producing A Polished Semiconductor Wafer
- Publication number 20110039411
- Publication date Feb 17, 2011
- Siltronic AG
- Bertram Moeckel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Process for the wet-chemical surface treatment of a semiconductor w...
- Publication number 20040266191
- Publication date Dec 30, 2004
- Gunter Schwab
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Process and device for the wet-chemical treatment of silicon
- Publication number 20040129679
- Publication date Jul 8, 2004
- Maximilian Stadler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for producing a semiconductor wafer
- Publication number 20030022506
- Publication date Jan 30, 2003
- Gunter Schwab
- H01 - BASIC ELECTRIC ELEMENTS