Franz Kohl

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Burghausen, DE

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Patents Grantslast 30 patents

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
Information Patent Grant
Process for the manufacture of high-purity monocrystals
- Patent number 4,330,361
- Issue date May 18, 1982
- Wacker-Chemitronic Gesellschaft fur Elektronic-Grundstoffe mbH
- Franz Kuhn-Kuhnenfeld
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for the production of high purity silicon monocrystals havi...
- Patent number 4,239,585
- Issue date Dec 16, 1980
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Franz Kohl
- C30 - CRYSTAL GROWTH
Information Patent Grant
Crucible-free zone refining of semiconductor material including ann...
- Patent number 4,140,571
- Issue date Feb 20, 1979
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Heinz Herzer
- C30 - CRYSTAL GROWTH
Information Patent Grant
Manufacture of doped semiconductor rods
- Patent number 4,110,586
- Issue date Aug 29, 1978
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Franz Kohl
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for the production of semiconductor rods of large diameter a...
- Patent number 4,109,128
- Issue date Aug 22, 1978
- Wacker-Chemitronik Gesellschaft fur Elektronik-Grundstoffe mbH
- Franz Kohl
- C30 - CRYSTAL GROWTH