Patent · US Expired

Processes for suppressing the fractionation of chalcogenide alloys

US4904559A · kind A · utility

1Cited by
5References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 1988
Grant dateFeb 27, 1990
Priority date
Expiry dateOct 24, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2004/86
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A process for the preparation of chalcogenide alloy compositions which comprises providing a chalcogenide alloy; admixing therewith crystalline or amorphous selenium; and subsequently subjecting the resulting mixture to evaporation.

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