Patent · US Expired

Single crystal silicon ingot having a high arsenic concentration

US7132091B2 · kind B2 · utility

10Cited by
12References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 2002
Grant dateNov 7, 2006
Priority date
Expiry dateSep 27, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC30B15/04
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A single crystal silicon ingot having a constant diameter portion that contains arsenic dopant atoms at a concentration which results in the silicon having a resistivity that is less than about 0.003 Ω·cm.

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