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:
Mar. 31, 2015
Filed:
Apr. 17, 2012
Applicants:
Yoshinari Kogure, Saitama, JP;
Takashi Fujisaki, Gunma, JP;
Kiyoto Nakamura, Miyagi, JP;
Inventors:
Assignee:
Advantest Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/00 (2006.01); G01R 1/04 (2006.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
G01R 1/0408 (2013.01); G01R 31/2893 (2013.01);
Abstract
A test carrier includes a film-shaped base film which has first bumps which contact test pads of a die; and a cover film which is superposed over the base film, and the test carrier holds the die between the base film and the cover film. The first bumps are relatively higher than second bumps which the die has.