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:
Jun. 17, 2025
Filed:
Feb. 07, 2023
Rohm Co., Ltd., Kyoto, JP;
Kaoru Muraki, Kyoto, JP;
Kuniaki Nakamura, Kyoto, JP;
ROHM CO., LTD., Kyoto, JP;
Abstract
A thermal print head includes: a head substrate on which a plurality of heating resistance units are formed; a heat sink thermally connected to the head substrate, a recess being formed in a back surface of the heat sink which faces a surface to which the head substrate is connected; a metal member arranged in the recess; and an adhesive arranged between a bottom surface of the recess and the metal member. The recess viewed from a direction perpendicular to the back surface includes: an area where the metal member is arranged, and a groove area where the metal member is not arranged. A portion of the adhesive is arranged in the groove area.