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:
Dec. 14, 2010
Filed:
Jan. 05, 2007
Applicant:
Hung-hsiang Cheng, Kaohsiung, TW;
Inventor:
Hung-Hsiang Cheng, Kaohsiung, TW;
Assignee:
Advanced Semiconductor Engineering, Inc., Kaohsiung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit board includes a plurality of signal lines and a plurality of shielding walls. The shield walls are disposed between the signal lines. Each shield wall includes an upper surface, a lower surface, a rectangular groove, a first metal layer and a second metal layer. The lower surface is opposite to the upper surface. The rectangular groove extends from the upper surface to the lower surface. The first metal layer is disposed on the upper surface. The second metal layer is disposed in the rectangular groove and electrically connected to the first metal layer.