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:
Oct. 25, 2016
Filed:
Apr. 17, 2014
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Tsuyoshi Andou, Kirishima, JP;
Hiroshi Masutani, Yokohama, JP;
Kouji Ochi, Kirishima, JP;
Youichi Moto, Okaya, JP;
Yousuke Iwamoto, Kirishima, JP;
KYOCERA CORPORATION, Kyoto-Shi, Kyoto, JP;
Abstract
To provide a thermal head in which separation of a protective layer is unlikely to occur. A thermal head Xincludes a substrate, a heat-generating portiondisposed on the substrate, electrodesanddisposed on the substrateand electrically connected to the heat-generating portion, and a protective layerwhich covers the heat-generating portionand part of the electrodesand. The electrodesandeach includes a first region Rwhich lies below a depth of 150 nm from the surfaceorlocated on the protective layerside, and the first region Rcontains oxygen. It is possible to suppress separation of each of the electrodesandfrom the protective layer