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:
Dec. 01, 2020

Filed:

Dec. 06, 2018
Applicant:

Shinko Electric Industries Co., Ltd., Nagano, JP;

Inventor:

Natsuko Kitajo, Nagano, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/48 (2006.01); H01L 23/498 (2006.01);
U.S. Cl.
CPC ...
H01L 21/4857 (2013.01); H01L 23/49838 (2013.01); H01L 23/49894 (2013.01); H05K 2201/09781 (2013.01);
Abstract

A wiring substrate includes: a first insulating layer; a plurality of wiring patterns formed on one surface of the first insulating layer; a dummy pattern formed, on the one surface of the first insulating layer, between the nearby wiring patterns; and a second insulating layer made of resin and formed on the one surface of the first insulating layer so as to cover the nearby wiring patterns and the dummy pattern, wherein the dummy pattern is a dot pattern arranged at a center portion between the nearby wiring patterns, and wherein a height of at least one dot constituting the dummy pattern is lower than heights of the nearby wiring patterns.


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