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Klaus Kalkowski
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Grundau, DE
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Patents Grants
last 30 patents
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Patent Grant
Device and method for the determination of diameters of crystals
Patent number
6,341,173
Issue date
Jan 22, 2002
Leybold Systems GmbH
Burkhard Altekrüger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Device and a process for monitoring a melt for the production of cr...
Patent number
6,203,610
Issue date
Mar 20, 2001
Leybold Systems GmbH
Burkhard Altekrüger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Device for controlling crystal growth processes
Patent number
6,126,745
Issue date
Oct 3, 2000
Leybold Systems GmbH
Burkhard Altekruger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Controlled feeding Czochralski apparatus
Patent number
5,587,016
Issue date
Dec 24, 1996
Leybold Aktiengesellschaft
Burkhard Altekruger
C30 - CRYSTAL GROWTH
Information
Patent Grant
Process for the controlled feeding of a melting crucible with parti...
Patent number
5,492,078
Issue date
Feb 20, 1996
Leybold Aktiengesellschaft
Burkhard Alterkruger
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
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Patent Application
DEVICE AND METHOD FOR THE DETERMINATION OF DIAMETERS OF CRYSTALS
Publication number
20010043733
Publication date
Nov 22, 2001
BURKHARD ALTEKRUGER
C30 - CRYSTAL GROWTH