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. 12, 2012

Filed:

Jul. 31, 2009
Applicants:

Won Hee Yoo, Suwon-si, KR;

Byeung Gyu Chang, Suwon-si, KR;

Inventors:

Won Hee Yoo, Suwon-si, KR;

Byeung Gyu Chang, Suwon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed are a probe substrate and a probe card using the same. The probe substrate includes a ceramic stack structure stacked with a plurality of layers; vias disposed in the ceramic stack structure to perform inner-layer connection, and pads electrically connected to the vias; a contact opening disposed at the ceramic stack structure, and partially exposing the pads; and contact pads disposed at side walls of the contact opening, electrically connected to the pads, and electrically connected to pogo pins.


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