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:
Mar. 04, 1986
Filed:
Nov. 27, 1984
Applicant:
Inventors:
Osamu Takikawa, Kamakura, JP;
Mitsuo Harata, Kawasaki, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01D / ; H05B / ;
U.S. Cl.
CPC ...
346 / ; 219216 ; 219543 ;
Abstract
In a thermal head having a substrate and a heating resistor of thin film type formed thereon, the heating resistor is a deposited metal oxide film essentially consisting of ruthenium oxide and an oxide of at least one metal M selected from the group consisting of Ca, Sr, Ba, Pb, Bi and Tl. The deposited metal oxide film has an atomic ratio M/Ru of the metal M to ruthenium of 0.6 to 2.