Patent · US Expired

Semiconductor power component

US3987479A · kind A · utility

2Cited by
9References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 1974
Grant dateOct 19, 1976
Priority date
Expiry dateJun 27, 1994

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D99/00
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor power element comprising two successive opposed polarity planar pn junctions, said element being positively tapered on its lateral surface in the regions of both pn junctions to form an average angle of both tapers of between 30.degree. and 60.degree..

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.