Thomas Altmann

Person

Haiming, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device for producing high purity polycrystalline silicon...
- Patent number 7,927,571
- Issue date Apr 19, 2011
- Wacker Chemie AG
- Thomas Altmann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Epitaxially coated semiconductor wafer and process for producing it
- Patent number 6,899,762
- Issue date May 31, 2005
- Siltronic AG
- Guido Wenski
- B24 - GRINDING POLISHING
Information Patent Grant
Double-sided polishing process for producing a multiplicity of sili...
- Patent number 6,861,360
- Issue date Mar 1, 2005
- Siltronic AG
- Guido Wenski
- B24 - GRINDING POLISHING
Information Patent Grant
Process for material-removing machining of both sides of semiconduc...
- Patent number 6,793,837
- Issue date Sep 21, 2004
- Siltronic AG
- Guido Wenski
- B24 - GRINDING POLISHING
Information Patent Grant
Double-side polishing process with reduced scratch rate and device...
- Patent number 6,645,862
- Issue date Nov 11, 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 6,583,050
- Issue date Jun 24, 2003
- Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
- Guido Wenski
- B24 - GRINDING POLISHING
Information Patent Grant
Process for the double-side polishing of semiconductor wafers and c...
- Patent number 6,514,424
- Issue date Feb 4, 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
METHOD FOR PRODUCING POLYCRYSTALLINE SILICON RODS
- Publication number 20120100302
- Publication date Apr 26, 2012
- WACKER CHEMIE AG
- Laszlo FABRY
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method And Device For Producing High Purity Polycrystalline Silicon...
- Publication number 20080038178
- Publication date Feb 14, 2008
- Wacker Chemie AG
- Thomas Altmann
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Epitaxially coated semiconductor wafer and process for producing it
- Publication number 20030186028
- Publication date Oct 2, 2003
- WACKER SILTRONIC GESELLSCHAFT FUR HABLEITERMATERIALIEN AG
- Guido Wenski
- B24 - GRINDING POLISHING
Information Patent Application
Silicon semiconductor wafer, and process for producing a multiplici...
- Publication number 20030109139
- Publication date Jun 12, 2003
- Guido Wenski
- B24 - GRINDING POLISHING
Information Patent Application
Process for material-removing machining of both sides of semiconduc...
- Publication number 20030054650
- Publication date Mar 20, 2003
- WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG
- Guido Wenski
- B24 - GRINDING POLISHING
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
Information Patent Application
Coated silicon wafer and process for its production
- Publication number 20030041798
- Publication date Mar 6, 2003
- WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALEN AG
- Guido Wenski
- C30 - CRYSTAL GROWTH
Information Patent Application
Double-side polishing process with reduced scratch rate and device...
- Publication number 20020115387
- Publication date Aug 22, 2002
- WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG
- Guido Wenski
- B24 - GRINDING POLISHING
Information Patent Application
Process for polishing silicon wafers
- Publication number 20020055324
- Publication date May 9, 2002
- WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG
- Guido Wenski
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for the double-side polishing of semiconductor wafers and c...
- Publication number 20010047978
- Publication date Dec 6, 2001
- WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG
- Guido Wenski
- B24 - GRINDING POLISHING
Information Patent Application
Process for producing a semiconductor wafer with polished edge
- Publication number 20010014570
- Publication date Aug 16, 2001
- WACKER SILTRONIC GESELLSCHAFT FOR HALBLEITERMATERIALIEN AG
- Guido Wenski
- C30 - CRYSTAL GROWTH

Thomas Altmann

Person

Patents Grantslast 30 patents

Method and device for producing high purity polycrystalline silicon...

Epitaxially coated semiconductor wafer and process for producing it

Double-sided polishing process for producing a multiplicity of sili...

Process for material-removing machining of both sides of semiconduc...

Double-side polishing process with reduced scratch rate and device...

Semiconductor wafer with improved flatness, and process for produci...

Process for the double-side polishing of semiconductor wafers and c...

Semiconductor wafer with improved flatness, and process for produci...

Patents Applicationslast 30 patents

METHOD FOR PRODUCING POLYCRYSTALLINE SILICON RODS

Method And Device For Producing High Purity Polycrystalline Silicon...

Epitaxially coated semiconductor wafer and process for producing it

Silicon semiconductor wafer, and process for producing a multiplici...

Process for material-removing machining of both sides of semiconduc...

Semiconductor wafer with improved flatness, and process for produci...

Coated silicon wafer and process for its production

Double-side polishing process with reduced scratch rate and device...

Process for polishing silicon wafers

Process for the double-side polishing of semiconductor wafers and c...

Process for producing a semiconductor wafer with polished edge