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:
Jan. 30, 2001
Filed:
Oct. 13, 1998
Applicant:
Inventors:
Yasuhiro Tomita, Toyonaka, JP;
Seiji Yamaguchi, Hirakata, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 3/102 ;
U.S. Cl.
CPC ...
G01R 3/102 ;
Abstract
A probe card provides electrical connection between an IC device under test (DUT) and a testing apparatus. The probe card includes: a test chip for transferring a signal between the DUT and the testing apparatus; and a contact bump provided at a position corresponding to a pad of the test chip, wherein the test chip is provided to securely press the contact bump against the DUT, thereby establishing the electrical connection between the DUT and the contact bump.