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. 27, 2007
Filed:
Dec. 22, 2004
Applicants:
Yoshiaki Hiratsuka, Kawasaki, JP;
Yoshiro Tanaka, Kawasaki, JP;
Inventors:
Yoshiaki Hiratsuka, Kawasaki, JP;
Yoshiro Tanaka, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A printed-circuit board includes a shield pattern layer that is stacked on a surface layer with respect to at least one wiring pattern layer that includes a wide-pattern area having a wiring width of more than 1 millimeter. Moreover, the shield pattern layer includes a shield pattern that is, from a plane view, overlapped on the wide-pattern area, and grounded without being electrically connected to an internal layer of other wiring pattern layers.