Patent · US Expired

Photovoltaic device

US4799968A · kind A · utility

6Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 21, 1987
Grant dateJan 24, 1989
Priority date
Expiry dateSep 21, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A photovoltaic device comprises a semiconductor layer of hydrogenated amorphous silicon for photoelectric conversion, in which the proportion of silicon atoms bonded to two hydrogen atoms to all the silicon atoms is not more than 1%.

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