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:
Apr. 16, 2013
Filed:
Dec. 20, 2010
Applicants:
Ying-tso Lai, Taipei Hsien, TW;
Yu-chang Pai, Taipei Hsien, TW;
Inventors:
Ying-Tso Lai, Taipei Hsien, TW;
Yu-Chang Pai, Taipei Hsien, TW;
Assignee:
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A printed circuit board includes a layer. A layer of copper is covered on a surface of the layer. A through hole extends through the printed circuit board. A thermal engraving is defined in the surface of the layer, surrounding the through hole and without being covered by the layer of copper. The thermal engraving includes a first opening and a second opening. The first opening of the thermal engraving faces an output terminal of the power supply, and is non-contiguous with the second opening.