Cord Gessert

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Burghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for the cyclical manufacture of silicon shape...
- Patent number 4,769,107
- Issue date Sep 6, 1988
- Heliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen-Grundsto...
- Dieter Helmreich
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for the manufacture of semiconductor wafers
- Patent number 4,461,671
- Issue date Jul 24, 1984
- Heliotronic Forschungs- und Entwicklungs Gesellschaft fur Solarzellen-Grundst...
- Dieter Seifert
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for the manufacture of vertical P-N junctions in the pullin...
- Patent number 4,428,783
- Issue date Jan 31, 1984
- Heliotronic Forschungs-Und Entwicklungsgesellschaft Fur Solarzellen-Grundstof...
- Cord Gessert
- C30 - CRYSTAL GROWTH