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:
Sep. 08, 2026
Filed:
Jul. 16, 2024
Rohm Co., Ltd., Kyoto, JP;
ROHM CO., LTD., Kyoto, JP;
Abstract
The present disclosure provides a thermal print head. The thermal print head includes: a heat resistor, a first electrode and a second electrode. The first electrode includes a base portion and an extension portion. The extension portion includes a first strip portion and a second strip portion. A first width of the first strip portion is less than a second width of the base portion at a conjunction between the second strip portion and the base portion. A third width of the second strip portion at the conjunction between the second strip portion and the base portion is less than the second width. A width of at least a portion of the second strip portion is equal to or less than the first width. A length of the second strip portion is greater than a half of a difference between a length of the first strip portion and a width of the heat resistor.