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. 18, 2003
Filed:
Mar. 16, 2001
Makoto Haseyama, Kawasaki, JP;
Shigeyuki Maruyama, Kawasaki, JP;
Masataka Mizukoshi, Kawasaki, JP;
Futoshi Fukaya, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An IC to be tested having solder bumps is mounted on an IC socket mounted on a test board. The IC socket is provided with a contact unit including a plurality of straight contact pins each having an lower end connected to the test board and an upper end connected to the solder bumps and also including an elastic member for supporting the plurality of contact pins. A diameter of the plurality of contact pins is configured to be sufficiently small for the plurality of contact pins to pierce the respective solder bumps so that an electrical connection is established by the upper end of each of the plurality of solder bumps piercing an associated one of the solder bumps.