Patent · US Expired

Method and apparatus for plasma processing apparatus

US6172321A · kind A · utility

14Cited by
12References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 4, 1999
Grant dateJan 9, 2001
Priority date
Expiry dateNov 4, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J37/32678
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A plasma processing apparatus and method of processing a specimen by a plasma. The method and apparatus includes independently controlling a density distribution of the plasma.

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