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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ostop; John A.
Address:
Youngwood, PA
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4514898 Method of making a self protected thyristor May 7, 1985
The present invention is directed to a thyristor self-protected against overvoltage by the avalanche mechanism, the protection resulting from a laser scribed ring shaped groove cut in the top surface of the thyristor and extending into one base region of the thyristor whereby the forward










 
 
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