Patent · US Expired

Plasma asher with microwave trap

US5498308A · kind A · utility

27Cited by
13References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1994
Grant dateMar 12, 1996
Priority date
Expiry dateFeb 25, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B6/806
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A plasma asher which obviates microwave leakage and attendant problems by providing a microwave trap proximate the opening through which the plasma tube exits the microwave cavity.

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