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FREDERIKSSUND, DK
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Patents Grants
last 30 patents
Information
Patent Grant
Method for initiating the float zone melting of semiconductors
Patent number
4,292,487
Issue date
Sep 29, 1981
Topsil A/S
Noel De Leon
C30 - CRYSTAL GROWTH
Information
Patent Grant
Large crystal float zone apparatus
Patent number
4,258,009
Issue date
Mar 24, 1981
Topsil A/S
Noel De Leon
C30 - CRYSTAL GROWTH
Information
Patent Grant
Induction heating coil for float zone melting of semiconductor rods
Patent number
4,220,839
Issue date
Sep 2, 1980
Topsil A/S
Noel De Leon
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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last 30 patents
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