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.

Date of Patent:
Oct. 14, 2025

Filed:

Sep. 14, 2021
Applicant:

Kyocera Corporation, Kyoto, JP;

Inventor:

Hidetoshi Yugawa, Kyoto, JP;

Assignee:

KYOCERA Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
H05K 1/116 (2013.01); H05K 2201/0209 (2013.01); H05K 2201/096 (2013.01);
Abstract

A wiring board according to the present disclosure includes a first insulation layer including a first surface, a land located on the first insulation layer and including a second surface, a second insulation layer located at the first surface of the first insulation layer and including a via hole extending over the second surface of the land, and a via-hole electrical conductor located in the via hole. The land includes a plurality of recessed portions on the second surface, and at least one recessed portion selected from the plurality of recessed portions includes a buffer body containing resin. The via-hole electrical conductor is in contact with the second surface of the land and the buffer body.


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