Patent · US Expired

Semiconductor device and microwave process for its manufacture

US5204272A · kind A · utility

19Cited by
17References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 1991
Grant dateApr 20, 1993
Priority date
Expiry dateDec 13, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Open circuit voltage of photovoltaic devices manufactured by a microwave deposition process is increased by disposing a bias wire in the microwave energized plasma and applying a positive voltage of approximately 100 volts to the wire during only a portion of the time in which the intrinsic semiconductor layer is being deposited.

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