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:
Aug. 30, 2022

Filed:

Dec. 14, 2020
Applicant:

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

Inventors:

Yuki Aritsuka, Tokyo, JP;

Takamasa Takano, Tokyo, JP;

Masaya Tanaka, Tokyo, JP;

Yumi Yoshii, Tokyo, JP;

Miyuki Suzuki, Tokyo, JP;

Shuji Sagara, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/522 (2006.01); H01L 49/02 (2006.01); H01L 21/3105 (2006.01);
U.S. Cl.
CPC ...
H01L 23/5223 (2013.01); H01L 23/5226 (2013.01); H01L 28/40 (2013.01); H01L 21/31053 (2013.01); H01L 28/55 (2013.01);
Abstract

A wiring substrate of the present disclosure includes a substrate, a first conductive layer, a first insulating layer, and a second conductive layer. The substrate has an insulating surface. The first conductive layer is disposed on the substrate and includes a first part and a second part. The first part has a first thickness. The second part has a second thickness thinner than the first thickness and is adjacent to the first part. The first insulating layer is disposed on the first part and apart from the second part. The first insulating layer is disposed between the second conducting layer and the first part.


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