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:
Nov. 15, 2011
Filed:
Mar. 06, 2008
Applicant:
Wen-hung HU, Hsin-Chu, TW;
Inventor:
Wen-Hung Hu, Hsin-Chu, TW;
Assignee:
Unimicron Technology Corp., Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit board surface structure includes a circuit board having at least one surface provided with a plurality of electrically connecting pads, an insulating protective layer characterized by photosensitivity and solder resisting and formed on the circuit board, and a plurality of openings formed in the insulating protective layer to expose the electrical connecting pads on the circuit board and tapered upward; and a conductive element formed in the opening, so as to increase the contact area and reinforce bonding between the electrically connecting pads and the conductive element.