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:
Apr. 08, 2003
Filed:
Oct. 27, 2000
Applicant:
Inventors:
Masashi Fukaya, Kuwana, JP;
Koji Shibata, Ogaki, JP;
Chiaki Higuchi, Ebina, JP;
Yoshinobu Watanabe, Hiratsuka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/504 ; C03C 1/400 ;
U.S. Cl.
CPC ...
B32B 1/504 ; C03C 1/400 ;
Abstract
A thick-film resistor contains RuO and an SiO —B O —K O glass having a composition of 60 wt %≦SiO ≦85 wt %, 15 wt %≦B O ≦40 wt %, 0.1 wt %≦K O≦10 wt %, and impurity ≦3 wt %. A ceramic circuit board includes a thick-film resistor printed on it, the thick-film resistor containing RuO and an SiO —B O —K O glass having the above composition.