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:
Apr. 26, 2022
Filed:
Oct. 17, 2018
Fujitsu Limited, Kawasaki, JP;
Masaharu Furuyama, Fujisawa, JP;
Daisuke Mizutani, Sagamihara, JP;
Tomoyuki Akahoshi, Atsugi, JP;
Masateru Koide, Kawasaki, JP;
Manabu Watanabe, Yokohama, JP;
Seigo Yamawaki, Nagano, JP;
Kei Fukui, Iizuna, JP;
FUJITSU INTERCONNECT TECHNOLOGIES LIMITED, Nagano, JP;
Abstract
A circuit board includes: an insulating layer; a capacitor which is provided in the insulating layer and which includes a dielectric layer, a first conductor layer provided on a first surface of the dielectric layer and including an opening part, and a second conductor layer provided on a second surface opposite to the first surface of the dielectric layer and including a recess part at a position corresponding to the opening part; and a conductor via provided in the insulating layer, penetrating the dielectric layer, the opening part and the recess part, being in contact with the recess part, and being smaller than the opening part in plan view.