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.:

US 7378228 B1

PDF
Full Text
Expired
Date of Patent:
May. 27, 2008

Filed:

Jun. 21, 2006
Applicants:

Yasuaki Sugano, Hyogo, JP;

Yasuharu Nojima, Osaka, JP;

Inventors:

Yasuaki Sugano, Hyogo, JP;

Yasuharu Nojima, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

A printed circuit board comprising an insulating layer prepared with the aid of a positive type photosensitive epoxy resin composition comprising (a) an epoxy resin having two or more epoxy groups in one molecule; (b) a modified phenolic resin having a triazine ring, (c) a latent basic curing agent, and (d) a photosensitive acid generator.


Find Patent Forward Citations

Sugano, Yasuaki. (2008). Positive type photosensitive epoxy resin composition and printed circuit board using the same (U.S. Patent No. 7378228). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7378228

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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