Patent · US Expired

Center gas feed apparatus for a high density plasma reactor

US6193836A · kind A · utility

5Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 10, 2000
Grant dateFeb 27, 2001
Priority date
Expiry dateJan 10, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S156/914
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention is embodied by a plasma reactor for processing a workpiece, including a reactor enclosure defining a processing chamber, a semiconductor ceiling window, a base within the chamber for supporting the workpiece during processing thereof, the semiconductor ceiling including a gas inlet system for admitting a plasma precursor gas into the chamber through the ceiling, and apparatus for coupling plasma source power into the chamber.

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