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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.:

US 10605851 B1

PDFFull Text
Expired
Date of Patent:
Mar. 31, 2020

Filed:

Jun. 16, 2017

Printed wiring board, crack prediction device, and crack prediction method

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:

Fujitsu Patent Center

Primary Examiner:

Paresh Patel

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.

Find Patent Forward Citations

Iriguchi, Shigeo. (2020). Printed wiring board, crack prediction device, and crack prediction method (U.S. Patent No. 10605851). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10605851

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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