Wilfried V. Ammon

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Burghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a silicon single crystal, and heater for carr...
- Patent number 6,117,230
- Issue date Sep 12, 2000
- Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
- Wilfried Von Ammon
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for producing silicon semiconductor wafers with low defect...
- Patent number 5,935,320
- Issue date Aug 10, 1999
- Wacker Siltronic Gesellschaft fur Halbleitermaterialien AG
- Dieter Graef
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for the crucible-free floating zone pulling of semiconductor...
- Patent number 4,851,628
- Issue date Jul 25, 1989
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Wilfried V. Ammon
- C30 - CRYSTAL GROWTH