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.
Patent No.:
Date of Patent:
Oct. 16, 2018
Filed:
Dec. 15, 2015
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Robert C. Redburn, Fishkill, NY (US);
Andrew A. Turner, Underhill, VT (US);
Jeffrey S. Zimmerman, Swanton, VT (US);
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/3177 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3177 (2013.01);
Abstract
Disclosed herein is a method for failure signature detection in a semiconductor comprising generating defect signatures for failing latches from a plurality of integrated circuit chips; generating a latch to mask relationship for the failing latches; generating maximally descriptive masks into identities; generating a list of identities for comparison; determining commonalities between the lists of identities; and generating details about differences and commonalities within the defect signatures.