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. 23, 2021
Filed:
Feb. 19, 2019
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Noboru Nitta, Tagata Shizuoka, JP;
Shinichiro Hida, Numazu Shizuoka, JP;
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An ink jet head includes a first substrate, a second substrate, a plurality of ink jet elements, and a drive circuit. The ink jet elements are configured to cause ink to be ejected from a plurality of nozzles. The drive circuit is provided on the first or second substrate and configured to drive the plurality of ink jet elements. The first substrate includes a first wiring. The second substrate is coupled to the first substrate, and includes a second wiring overlaid on the first wiring at a connection region. A thickness of the first wiring is less than a thickness of the second wiring at the connection region. A width of the first wiring at the connection region is greater than a width of the second wiring at the connection region.