Patent · US Expired

Reflector cover for a semiconductor processing chamber

US6035100A · kind A · utility

14Cited by
6References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1997
Grant dateMar 7, 2000
Priority date
Expiry dateMay 16, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01J5/0003
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In one embodiment, the invention is directed to an apparatus for preventing depositions from occurring on a reflector in a processing chamber, comprising: a cover disposed adjacent to the reflector, the cover optically transparent over a range of wavelengths in which the reflector is reflective; and at least one cover support for maintaining the position of the cover relative to the reflector.

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