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.:

US 7071724 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 04, 2006

Filed:

Jun. 25, 2004
Applicant:

David Suitwai MA, Cary, NC (US);

Inventor:

David Suitwai Ma, Cary, NC (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01); H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
Abstract

Apparatus and method for testing a device wafer having a plurality of devices formed thereon. One embodiment of the invention provides an interface wafer comprising a plurality of contact pads disposed on a first surface for contacting a plurality of device pads on the device wafer and a plurality of interface pads disposed on a second surface for contacting probe needles on a probe card, wherein the plurality of interface pads are electrically connected to the plurality of contact pads and wherein the plurality of interface pads are disposed in a relaxed-pitch arrangement as compared to the plurality of contact pads.


Find Patent Forward Citations

Ma, David. (2006). Wafer probecard interface (U.S. Patent No. 7071724). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7071724

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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