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. 10, 2026
Filed:
May. 03, 2024
Rohm Co., Ltd., Kyoto, JP;
Satoshi Kimoto, Kyoto, JP;
ROHM CO., LTD., Kyoto, JP;
Abstract
A thermal print head includes: a substrate including a main surface; an insulating film arranged on the main surface; a first wiring layer arranged on the insulating film; a first interlayer insulating film arranged on the first wiring layer; a heat-generating body film; and a second wiring layer arranged on the first interlayer insulating film with the heat-generating body film interposed therebetween, wherein a bump is formed on the main surface, wherein the bump extends along a first direction in a plan view, wherein the second wiring layer extends along a second direction orthogonal to the first direction to intersect the bump in a plan view, and includes first, second, third, and fourth wirings arranged along the first direction, wherein the second wiring is located between the first wiring and the third wiring, and wherein the third wiring is located between the second wiring and the fourth wiring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile