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Willi Ulrich
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Aalen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Diffractive optical element and also optical arrangement comprising...
Patent number
7,149,030
Issue date
Dec 12, 2006
Carl Zeiss SMT AG
Bernd Kleemann
G02 - OPTICS
Information
Patent Grant
Diffractive optical element and also optical arrangement comprising...
Patent number
6,728,036
Issue date
Apr 27, 2004
Carl Zeiss Semiconductor Manufacturing Technologies AG
Bernd Kleemann
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
DIFFRACTIVE OPTICAL ELEMENT AND ALSO OPTICAL ARRANGEMENT COMPRISING...
Publication number
20050073746
Publication date
Apr 7, 2005
Carl Zeiss SMT AG
Bernd Kleemann
G02 - OPTICS
Information
Patent Application
Diffractive optical element and also optical arrangement comprising...
Publication number
20040190142
Publication date
Sep 30, 2004
Bernd Kleemann
G02 - OPTICS
Information
Patent Application
Diffractive optical element and also optical arrangement comprising...
Publication number
20020196547
Publication date
Dec 26, 2002
Bernd Kleemann
G02 - OPTICS