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:
Sep. 30, 2025
Filed:
Jun. 28, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Shoji Matsumoto, Kanagawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A wiring board includes: a first conductor layer; a second conductor layer formed so as to face the first conductor layer; a plurality of differential signal wirings, each of which includes a pair of signal wirings, formed in the first conductor layer; and a plurality of first ground wirings formed in the second conductor layer and arranged along and not overlapping the pairs of signal wirings in a plan view viewed in a facing direction in which the first conductor layer and the second conductor layer face each other; and a plurality of second ground wirings formed in the second conductor layer with spacings so as to intersect the first ground wirings and to connect the two first ground wirings adjacent to each other.