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:
Jul. 18, 2017
Filed:
Jul. 15, 2013
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Shigeo Iriguchi, Kawasaki, JP;
Naoki Nakamura, Hachioji, JP;
Shigeru Sugino, Edogawa, JP;
Takahide Mukoyama, Kamakura, JP;
Ryo Kanai, Kawasaki, JP;
Nobuo Taketomi, Kodaira, JP;
Kiyoyuki Hatanaka, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/04 (2006.01); G01R 31/28 (2006.01); H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
G01R 31/046 (2013.01); G01R 31/2805 (2013.01); H05K 1/0268 (2013.01); H05K 1/0271 (2013.01); H05K 1/0298 (2013.01); H05K 2203/163 (2013.01);
Abstract
A printed wiring board includes: a laminated body that has a plurality of wiring layers laminated therein; a first through hole that electrically connects two or more wiring layers with each other; and a second through hole that has strength to expansion and contraction of the laminated body less than in the first through hole.