Patent · US Expired

Sacrificial annealing layer for a semiconductor device and a method of fabrication

US7115479B2 · kind B2 · utility

5Cited by
28References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 2002
Grant dateOct 3, 2006
Priority date
Expiry dateNov 26, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/268
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Numerous embodiments of a method and apparatus for a sacrificial annealing layer are disclosed. In one embodiment, a method of forming a sacrificial annealing layer for a semiconductor device comprises forming one or more sacrificial layers on at least a portion of the top surface of a semiconductor device, annealing at least a portion of the device, and removing a substantial portion of the one or more sacrificial layers, where the removing results in no substantial physical alterations to the device.

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