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.

Date of Patent:
Dec. 04, 2018

Filed:

Jun. 23, 2016
Applicant:

Kyocera Corporation, Kyoto-shi, Kyoto, JP;

Inventors:

Yuuki Matsusaki, Kirishima, JP;

Masashi Yoneta, Kagoshima, JP;

Assignee:

Kyocera Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/335 (2006.01); B41J 2/355 (2006.01);
U.S. Cl.
CPC ...
B41J 2/3353 (2013.01); B41J 2/3351 (2013.01); B41J 2/3355 (2013.01); B41J 2/3359 (2013.01); B41J 2/33515 (2013.01); B41J 2/33535 (2013.01); B41J 2/355 (2013.01);
Abstract

A thermal head according to the disclosure includes: a substrate; a heat generating section disposed on the substrate; an electrode disposed on the substrate so as to be electrically connected to the heat generating section; a protective layer which covers the heat generating section and part of the electrode, the protective layer being formed of an inorganic material; a cover layer disposed on the protective layer, the cover layer being formed of a resin material; and inorganic particles disposed on a surface of the protective layer so as to protrude from the surface. Moreover, the inorganic particles each comprise a first portion located inside the cover layer and a second portion located inside the protective layer.


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