Patent · US Expired

Method for removing oxides from a Ge semiconductor substrate surface

US7238291B2 · kind B2 · utility

9Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 17, 2004
Grant dateJul 3, 2007
Priority date
Expiry dateDec 5, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/31111
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

This invention relates to a method for removing oxides from the surface of a Ge semiconductor substrate comprising the step of subjecting the surface to a Ge oxide etching solution characterized in that the Ge oxide etching solution removes Ge oxides and Ge sub-oxides from the surface.

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