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:
Aug. 01, 2006
Filed:
Jan. 16, 2003
Applicant:
Shigeru Matsumura, Tokyo, JP;
Inventor:
Shigeru Matsumura, Tokyo, JP;
Assignee:
Advantest Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 1/073 (2006.01);
U.S. Cl.
CPC ...
Abstract
A probe card used for establishing electric contact with an electric part to inspect an electric characteristic thereof comprises a plurality of conductors, each transmitting a signal used for inspection, and a plurality of bumps, each formed on one of the plurality of conductors, which are used for establishing mechanical contact with the electric part. Each bump includes a lower portion fusedly arranged on the conductor and an upper portion taperedly formed in such a fashion that a cross section of the bump closer to a tip thereof is smaller.