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. 20, 2012
Filed:
Jan. 29, 2009
Noboru Koyama, Tokyo, JP;
Mitsuo Yanase, Kanagawa, JP;
Toru Morikawa, Kanagawa, JP;
Kei Sato, Miyagi, JP;
Noboru Koyama, Tokyo, JP;
Mitsuo Yanase, Kanagawa, JP;
Toru Morikawa, Kanagawa, JP;
Kei Sato, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
A thermal head which forms an image on a recording medium by pressing a protruding portion on which heating elements are arranged on the recording medium while driving the heating elements to be heated includes a head body portion in which the protruding portion and a concave gap portion facing the protruding portion are formed and a heat conductive layer provided on the side of the protruding portion of the head body portion, in which the heat conductive layer includes an electric insulating layer securing electric insulation to the heating elements and a heat diffusion layer diffusing heat generated from the heating elements.