Patent · US Expired

Optical control interface between controller and process chamber

US7217371B2 · kind B2 · utility

1Cited by
1References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 26, 2004
Grant dateMay 15, 2007
Priority date
Expiry dateMar 1, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J37/32972
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present invention relates to interfacing new sensors to incumbent controls. In particular, it relates to optically interfacing a new sensor, such as a spectrometer with plasma generator, to an incumbent electro-optical sensor. Logic and resources to control activation of the incumbent electro-optical sensor may be included. Particular aspects of the present invention are described in the claims, specification and drawings.

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