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:
Jun. 28, 2005

Filed:

Aug. 02, 2002
Applicants:

Chung-che Tsai, Hsin Chu, TW;

Wei-heng Shan, Hsin Chu, TW;

Inventors:

Chung-Che Tsai, Hsin Chu, TW;

Wei-Heng Shan, Hsin Chu, TW;

Assignee:

Ultratera Corporation, Hsinchu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K001/03 ;
U.S. Cl.
CPC ...
Abstract

A printed circuit board, which comprises a substrate, a conductive pattern disposed on a surface of said substrate and a solder mask coated on the surface of said substrate and covered over the conductive pattern. The conductive pattern has a bonding pad. The solder mask has an opening corresponding in location to the bonding pad such that a portion of the bonding pad is exposed outside. A space is left between said solder mask and said bonding pad and is communicated with the opening. Whereby, a solder ball can be received in the opening and the space and electrically connected to the bonding pad, such that the solder ball is held on the printed circuit board securely.


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Tsai, Chung-Che. (2005). Bonding pads of printed circuit board capable of holding solder balls securely (U.S. Patent No. 6911604). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6911604

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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