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:
Dec. 12, 2006
Filed:
Oct. 24, 2001
Applicants:
Yasuhito Aruga, Okaya, JP;
Satoshi Yatabe, Shiojiri, JP;
Kogo Endo, Chino, JP;
Norihito Harada, Matsanoto, JP;
Inventors:
Yasuhito Aruga, Okaya, JP;
Satoshi Yatabe, Shiojiri, JP;
Kogo Endo, Chino, JP;
Norihito Harada, Matsanoto, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wiring substrate is formed of a plurality of metal wiringsformed on a substrate. A guard wiringfabricated of an electrically conductive oxide such as ITO is interposed between at least a pair of adjacent ones of a plurality of metal wirings. When voltages VVVand Vapplied to the metal wiringsare related to be VVVVa guard wiringis present between a metal wiringfunctioning as an anode and a metal wiringfunctioning as a cathode, and the anode metal wiringis prevented from being corroded.