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:
Feb. 19, 2008
Filed:
Nov. 09, 2004
Tomoyuki Miyagawa, Nukata-gun, JP;
Toshiharu Shiratsuchi, Farmington Hills, MI (US);
Isao Tanooka, Tokai, JP;
Hideaki Sugiura, Handa, JP;
Tomoyuki Miyagawa, Nukata-gun, JP;
Toshiharu Shiratsuchi, Farmington Hills, MI (US);
Isao Tanooka, Tokai, JP;
Hideaki Sugiura, Handa, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A circuit board includes: a substrate; a conductive pattern disposed on a surface of the substrate; a lower insulation layer disposed on the conductive pattern to cover the conductive pattern except for an opening, through which the conductive pattern is partially exposed from the lower insulation layer; a conductor disposed on the lower insulation layer and connecting to the conductive pattern through the opening; an upper insulation layer disposed on the conductor for covering the conductor and the lower insulation layer; and a test coupon disposed on the substrate for evaluating the conductor.