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. 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:
Huntsman Advanced Materials Americas Inc., The Woodlands, TX (US);
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.