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:
Jul. 03, 2012
Filed:
May. 22, 2008
Applicants:
Yoshihiro Abe, Tokyo, JP;
Shigeru Matsumura, Tokyo, JP;
Inventors:
Yoshihiro Abe, Tokyo, JP;
Shigeru Matsumura, Tokyo, JP;
Assignee:
Advantest Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/20 (2006.01); G01R 31/02 (2006.01); G01R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fixing apparatus for fixing a probe card to a holder includes a screw fixed to the holder and binding the probe card onto the holder in a vertical direction, a first bearing member intervening between a head of the screw and the probe card and allowing expansion and contraction of the probe card with respect to the screw in a horizontal direction, and a second bearing member intervening between the probe card and the holder and allowing expansion and contraction of the probe card with respect to the holder in the horizontal direction.