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:
Feb. 19, 2008
Filed:
Nov. 15, 2005
Applicants:
Edward B. Harris, Fogelsville, PA (US);
Bonnie E. Weir, Bronxville, NY (US);
Inventors:
Edward B. Harris, Fogelsville, PA (US);
Bonnie E. Weir, Bronxville, NY (US);
Assignee:
Agere Systems, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
Reliability testing circuitry is built into the wafer or IC package in the form of one or more individual testers that use small-area transistors as DUTs. Stress can be applied to the DUTs in parallel and information about breakdown, wearout or failure can be obtained from the individual testers. Only a few pads are needed to test hundreds and even thousands of the DUTs of the individual testers. Testing of many DUTs may be performed using a simple power supply and a few probes.