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. 02, 2022

Filed:

Mar. 24, 2020
Applicant:

Ibiden Co., Ltd., Ogaki, JP;

Inventors:

Takenobu Nakamura, Ogaki, JP;

Takahiro Yamazaki, Ogaki, JP;

Takashi Yamauchi, Ogaki, JP;

Toshihide Makino, Ogaki, JP;

Assignee:

IBIDEN CO., LTD., Ogaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/11 (2006.01); H05K 1/02 (2006.01); H05K 3/46 (2006.01); H05K 3/42 (2006.01); H05K 1/18 (2006.01);
U.S. Cl.
CPC ...
H05K 1/115 (2013.01); H05K 1/111 (2013.01); H05K 3/429 (2013.01); H05K 3/4644 (2013.01); H05K 1/0284 (2013.01); H05K 1/18 (2013.01); H05K 2201/0338 (2013.01); H05K 2201/0355 (2013.01); H05K 2201/09827 (2013.01);
Abstract

A wiring substrate includes a core layer, first conductor layers including a first inner conductor layer, a first outer conductor layer and a first intermediate conductor layer, second conductor layers including a second inner conductor layer, a second outer conductor layer and a second intermediate conductor layer, and interlayer insulating layers interposed between the first conductor layers and between the second conductor layers. The first and/or second inner conductor layers has a first laminated structure including a metal foil layer and a plating film layer, the first and/or second outer conductor layers has the first laminated structure, and the first and/or second intermediate conductor layers has a second laminated structure including a metal foil layer and a plating film layer and includes a conductor pattern formed such that an upper surface of the conductor pattern has an edge portion forming an inclined portion inclined toward the core layer.


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