Patent · US Expired

Method monitoring a quality of electronic circuits and its manufacturing condition and system for it

US6622054B1 · kind B1 · utility

13Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 6, 1999
Grant dateSep 16, 2003
Priority date
Expiry dateOct 6, 2019

Classification

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

Abstract

With a view to providing a monitoring system for the quality and manufacturing conditions of electronic circuits capable of facilitating the grasping of correlation's between diverse manufacturing conditions and manufacturing states, statistically characteristic images are selected out of a group of images retrieved from a detection information database by specifying at least one out of the values of feature quantities, design information and manufacturing conditions, and are displayed.

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