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Quality management system and recording medium

Patent 6202037 Issued on March 13, 2001. Estimated Expiration Date: Icon_subject July 28, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

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Inventors

Application

No. 123457 filed on 07/28/1998

US Classes:

702/182, Performance or efficiency evaluation257/E21.525, Procedures, i.e., sequence of activities consisting of plurality of measurement and correction, marking or sorting steps (EPO)700/109, Quality control700/121, Integrated circuit production or semiconductor fabrication702/35, Flaw or defect detection702/81, Quality evaluation702/82Having judging means (e.g., accept/reject)

Examiners

Primary: Shah, Kamini

Attorney, Agent or Firm

Foreign Patent References

  • 61-100941 JP. 05/13/1986
  • 63-135848 JP. 06/13/1988
  • 63-159737 JP. 07/13/1988
  • 1-151243 JP. 06/13/1989
  • 2-123748 JP. 05/13/1990
  • 2-287241 JP. 11/13/1990
  • 4-38457 JP. 02/13/1992
  • 7-221156 JP. 08/13/1995
  • 8-195406 JP. 07/13/1996
  • 8-274138 JP. 10/13/1996
  • 9-199551 JP. 07/13/1997

International Class

G06F 019/00

Foreign Application Priority Data

1998-02-26 JP

Abstract

A quality management system (S100) comprises a data processing unit (11), a processed-data judgment unit (12) receiving an output from the data processing unit (11), a sampling unit (13) receiving an output from the processed-data judgment unit (12), a file making unit (14) receiving an output from the sampling unit (13), a data processing unit (15) receiving an output from an observation unit (20) and a processed-data judgment unit (16) receiving an output from the data processing unit (15). The system (S100) having this constitution allows reduction in labor and time from finding of a defect to recognition of occurrence of abnormal condition and improvement in accuracy of fatality rate of the defect.

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