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.
Patent No.:
Date of Patent:
May. 23, 2023
Filed:
Jul. 21, 2021
Applicant:
Shinko Electric Industries Co., Ltd., Nagano, JP;
Inventor:
Naohiro Mashino, Nagano, JP;
Assignee:
SHINKO ELECTRIC INDUSTRIES CO., LTD., Nagano, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/11 (2006.01); H05K 3/00 (2006.01); H05K 3/06 (2006.01); H05K 3/42 (2006.01);
U.S. Cl.
CPC ...
H05K 3/002 (2013.01); H05K 1/115 (2013.01); H05K 3/064 (2013.01); H05K 3/423 (2013.01);
Abstract
A wiring board includes an insulating layer; an insulating oxide film that is formed by forming a film of metal oxide or semimetal oxide on a surface of the insulating layer; a seed layer that is made of metal and that is stacked on the insulating oxide film; and an electrode that is made of metal and that is formed on the seed layer, wherein the insulating oxide film and the seed layer are removed from an area not overlapping the electrode to expose the insulating layer.