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. 12, 1991
Filed:
Mar. 13, 1989
Itaru Kubota, Tokyo, JP;
Kazuyuki Oshima, Tokyo, JP;
Koichi Mizozoe, Tokyo, JP;
Yoshiyuki Aoshima, Tokyo, JP;
Toshiya Nakamura, Tokyo, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Abstract
A two-layered metal oxide film resistor having a ceramic substrate which has on its surface a first thin (0.1-5 .mu.m) metal oxide film that is based on tin oxide and which has a minor proportion of at least one auxiliary component selected from iron, indium, nickel, phosphorus, zinc, cadmium and antimony, and a second thin (0.003-1 .mu.m) metal oxide film superposed on the first film that is also based on tin oxide but which contains a minor proportion of at least one auxiliary component selected from antimony, nickel, chromium, fluorine, phosphorus, arsenic, iron, manganese, barium, bismuth, cobalt, zinc, copper, boron, cadmium and vanadium.