The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 18, 2002

Filed:

Sep. 01, 2000
Applicant:
Inventors:

Masahiro Kanase, Kawasaki, JP;

Takayuki Katayama, Kawasaki, JP;

Naoyoshi Kikuchi, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 3/126 ;
U.S. Cl.
CPC ...
G01R 3/126 ;
Abstract

A system for testing and evaluating a device, such as a LSI device, by searching for a factor of defect of the device is disclosed, in which terminals are classified into a plurality of terminal types based on information related to various testing conditions, and data concerning the margin of the testing conditions is obtained by altering the testing conditions for every terminal type. Further, a factor of defect of a specific terminal type is searched for in accordance with the data concerning the margin of the testing conditions, and a defective terminal is detected from the specific terminal type. A method for testing and evaluating the device is also disclosed, which is executed by operating the system described above.


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