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. 23, 2026
Filed:
Feb. 16, 2024
Seiko Epson Corporation, Tokyo, JP;
Yu Shiozawa, Shiojiri, JP;
Motoki Takabe, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting head includes: a nozzle substrate including a first nozzle; a vibration plate; a pressure chamber substrate including a first pressure chamber in which pressure for ejecting liquid through the first nozzle is applied to liquid by the vibration plate and a first absorption chamber in which vibration of liquid propagated from the first pressure chamber is absorbed by the vibration plate; and a sealing substrate including a first-pressure-chamber recess associated with the first pressure chamber and a first-absorption-chamber recess associated with the first absorption chamber, and when a first direction is defined as a direction in which the first pressure chamber and the first absorption chamber are aligned, width of the first-absorption-chamber recess in the first direction is smaller than width of the first absorption chamber in the first direction.