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Anton Schnegg
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Burghausen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing a semiconductor wafer
Patent number
6,416,393
Issue date
Jul 9, 2002
Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
Laszlo Fabry
B24 - GRINDING POLISHING
Information
Patent Grant
Adhesive mixture suitable for mounting and demounting a semiconduct...
Patent number
6,171,385
Issue date
Jan 9, 2001
Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
Robert Rurlaender
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cleaning agent and method for cleaning semiconductor wafers
Patent number
5,695,572
Issue date
Dec 9, 1997
Wacker Siltronic Gesellschaft Fur Halbleitermaterialien Aktiengesellschaft
Roland Brunner
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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Patent Grant
Process for the wet-chemical treatment of semiconductor surfaces
Patent number
5,051,134
Issue date
Sep 24, 1991
Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
Anton Schnegg
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for preserving the surface of silicon wafers
Patent number
4,973,563
Issue date
Nov 27, 1990
Wacker Chemitronic Gesellschaft
Helene Prigge
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process and apparatus for etching semiconductor surfaces
Patent number
4,971,654
Issue date
Nov 20, 1990
Wacker-Chemitronic Gesellschaft fur Electronik-Grundstoffe mbH
Anton Schnegg
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of haze-free polishing for semiconductor wafers
Patent number
4,968,381
Issue date
Nov 6, 1990
Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
Helene Prigge
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon wafers for producing oxide layers of high breakdown strengt...
Patent number
4,954,189
Issue date
Sep 4, 1990
Wacker-Chemitronic Gesellschaft fur Elektronic-Grundstoffe mbH
Peter Hahn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for the chemical vapor deposition of oxidic particles
Patent number
4,539,221
Issue date
Sep 3, 1985
Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
Herbert Jacob
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for polishing indium phosphide surfaces
Patent number
4,428,795
Issue date
Jan 31, 1984
Wacker-Chemitronic Gesellschaft fur Electronik-Grundstoffe mbH
Franz Kohl
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
Method for assembling planar workpieces
Publication number
20040029316
Publication date
Feb 12, 2004
Anton Schnegg
B24 - GRINDING POLISHING
Information
Patent Application
Process for producing a semiconductor wafer
Publication number
20010036797
Publication date
Nov 1, 2001
WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG
Laszlo Fabry
B24 - GRINDING POLISHING