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.

Date of Patent:
Mar. 23, 2010

Filed:

Sep. 29, 2008
Applicant:

Fang-chu Liao, Tu-cheng, TW;

Inventor:

Fang-Chu Liao, Tu-cheng, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01R 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electrical contact () using for electrically connecting a chip module to a printed circuit board includes a base portion (), an arm portion () extending from side of the base portion (), a retaining device () extending downwardly from the base portion () for retaining a soldering ball (). The retaining device further comprises a plurality of clipping portions, said clipping portions forming a retaining space () for receiving the soldering ball jointly, and at least one of said clipping portions defining a guiding surface () and a recess (). By above way, steady attachment between the soldering ball and the contact is achieved.


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