Patent · US Expired

Wafer-less qualification of a processing tool

US6629012B1 · kind B1 · utility

26Cited by
5References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 6, 2000
Grant dateSep 30, 2003
Priority date
Expiry dateJan 6, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P90/02
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A metbod for perforning a wafer-less qualification of a processing tool includes creating a wafer-less qualification model for the processing tool. Qualification data is generated from the processing tool iiiring a wafer-less qualification process. The qualification data is compared with the wafer-less qualification model. The processig tool is determined to be operating in a predefined state based on the comparison of the qualification data with the wafer-less qualification model.

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