Patent · US Expired

Remote plasma source

US5844195A · kind A · utility

321Cited by
29References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 18, 1996
Grant dateDec 1, 1998
Priority date
Expiry dateNov 18, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67017
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a remote plasma source mountable on a process chamber and connectable on one end to a gas inletting system and on the other end to a gas distribution system disposed in a process chamber. Preferably, a conventional microwave generator is utilized to deliver microwaves into a remote chamber to excite a gas passed therethrough into an excited state.

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