Patent · US Expired

Etching system and etching chamber

US6558506B1 · kind B1 · utility

28Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 2001
Grant dateMay 6, 2003
Priority date
Expiry dateOct 24, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67196
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The present invention provides an etching system having a plurality of etching chambers (16, 18, 20) disposed about a transfer chamber (14), wherein the etching chambers are adapted to be selectively mounted at different positions with respect to the transfer chamber.

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