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Roland Brunner
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Stubenberg, DE
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Patents Grants
last 30 patents
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Patent Grant
Process for the wet chemical treatment of semiconductor wafers
Patent number
7,172,975
Issue date
Feb 6, 2007
Siltronic AG
Roland Brunner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Centrifuge and method for centrifuging a semiconductor wafer
Patent number
6,503,335
Issue date
Jan 7, 2003
Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
Georg-Friedrich Hohl
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for the chemical treatment of semiconductor wafers
Patent number
6,451,124
Issue date
Sep 17, 2002
Wacker Siltronic Gesellschaft fur Halbleiterma Terialien AG
Roland Brunner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device and method for cleaning semiconductor wafers
Patent number
6,412,500
Issue date
Jul 2, 2002
Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
Roland Brunner
B08 - CLEANING
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...
Information
Patent Grant
Process for the hydrophilizing and/or cement-residue-removing surfa...
Patent number
5,049,200
Issue date
Sep 17, 1991
Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
Roland Brunner
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CENTRIFUGE AND METHOD FOR CENTRIFUGING A SEMICONDUCTOR WAFER
Publication number
20020170576
Publication date
Nov 21, 2002
GEORG-FRIEDRICH HOHL
C30 - CRYSTAL GROWTH
Information
Patent Application
Process for the chemical treatment of semiconductor wafers
Publication number
20020023664
Publication date
Feb 28, 2002
WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG
Roland Brunner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PROCESS FOR THE WET CHEMICAL TREATMENT OF SEMICONDUCTOR WAFERS
Publication number
20010003680
Publication date
Jun 14, 2001
ROLAND BRUNNER
H01 - BASIC ELECTRIC ELEMENTS