Franz Kuhn-Kuhnenfeld

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Burghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the backside-gettering surface treatment of semiconduct...
- Patent number 4,587,771
- Issue date May 13, 1986
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Alfred Buchner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for the manufacture of semiconductor wafers with a rear sid...
- Patent number 4,539,050
- Issue date Sep 3, 1985
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Josef Kramler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making reference surface markings on semiconductor wafers...
- Patent number 4,522,656
- Issue date Jun 11, 1985
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Franz Kuhn-Kuhnenfeld
- B44 - DECORATIVE ARTS
Information Patent Grant
Etching agent for III/V semiconductors
- Patent number 4,100,014
- Issue date Jul 11, 1978
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Franz Kuhn-Kuhnenfeld
- H01 - BASIC ELECTRIC ELEMENTS