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Ulrich Lambert
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Emmerting, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Monocrystalline semiconductor wafer comprising defect-reduced regio...
Patent number
8,216,361
Issue date
Jul 10, 2012
Siltronic AG
Dieter Knerer
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Monocrystalline semiconductor wafer comprising defect-reduced regio...
Patent number
8,088,219
Issue date
Jan 3, 2012
Siltronic AG
Dieter Knerer
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process for producing silicon semiconductor wafers with defined def...
Patent number
7,387,676
Issue date
Jun 17, 2008
Siltronic AG
Wilfried von Ammon
C30 - CRYSTAL GROWTH
Information
Patent Grant
SOI wafer and process for producing it
Patent number
7,122,865
Issue date
Oct 17, 2006
Siltronic AG
Robert Hölzl
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for the production of a silica glass crucible with crystalli...
Patent number
6,946,030
Issue date
Sep 20, 2005
Wacker-Chemie GmbH
Fritz Schwertfeger
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for producing a single crystal
Patent number
6,228,164
Issue date
May 8, 2001
Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
Wilfried von Ammon
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process for producing silicon semiconductor wafers with low defect...
Patent number
5,935,320
Issue date
Aug 10, 1999
Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
Dieter Graef
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
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Patent Application
Monocrystalline Semiconductor Wafer Comprising Defect-Reduced Regio...
Publication number
20110318546
Publication date
Dec 29, 2011
Siltronic AG
Dieter Knerer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Monocrystalline Semiconductor Wafer Comprising Defect-Reduced Regio...
Publication number
20080026232
Publication date
Jan 31, 2008
Siltronic AG
Dieter Knerer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Process for producing silicon semiconductor wafers with defined def...
Publication number
20060283374
Publication date
Dec 21, 2006
Siltronic AG
Wilfried von Ammon
C30 - CRYSTAL GROWTH
Information
Patent Application
SOI wafer and process for producing IT
Publication number
20040251500
Publication date
Dec 16, 2004
Siltronic AG
Robert Holzl
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for the production of a silica glass crucible with crystalli...
Publication number
20030159648
Publication date
Aug 28, 2003
Fritz Schwertfeger
C30 - CRYSTAL GROWTH