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:
Nov. 09, 2021

Filed:

Jan. 14, 2021
Applicant:

Dai Nippon Printing Co., Ltd., Tokyo-to, JP;

Inventors:

Naoko Okimoto, Tokyo-to, JP;

Kenichi Ogawa, Tokyo-to, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/02 (2006.01); H05K 1/11 (2006.01); H05K 3/46 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0283 (2013.01); H05K 1/118 (2013.01); H05K 3/4644 (2013.01);
Abstract

The present disclosure provides a stretchable circuit substrate comprising: a base material being stretchable; a wiring which is on a first surface side of the base material, and which includes a bellows-like member including a plurality of ridges and recesses arranged in a first direction which is one of in-plane directions in the first surface of the base material; and an adjustment layer which includes the bellows-like member and is on the first surface side of the base material so as to at least overlap, in a plan view, a wiring region in which the wiring is positioned; wherein the adjustment layer has a Young's modulus smaller than a Young's modulus of the wiring.


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