Patent · US Expired

Polycrystalline silicon articles by sintering

US4040849A · kind A · utility

31Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 6, 1976
Grant dateAug 9, 1977
Priority date
Expiry dateJan 6, 1996

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A polycrystalline silicon body is produced by shaping silicon powder having an average particle size less than 0.2 micron into a green body and sintering the body to a density of at least 60% of the theoretical density of silicon.

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