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:
Feb. 23, 2021
Filed:
Dec. 17, 2019
Seiko Epson Corporation, Tokyo, JP;
Masanori Mikoshiba, Shimosuwa-machi, JP;
Shiro Yazaki, Chino, JP;
Toshinao Shinbo, Matsumoto, JP;
Hitoshi Takaai, Azumino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting head including a diaphragm constituting a portion of a wall surface of a pressure chamber that accommodates a liquid, and a piezoelectric element that vibrates the diaphragm. In the liquid ejecting head, the diaphragm includes a plurality of layers, and d/D≤0.25 is satisfied where D is a thickness of the diaphragm and d is a distance between a neutral axis of the diaphragm and an interface between two adjacent layers in which a tension difference is the largest in the plurality of layers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile