Title:
液体噴射ヘッドおよび液体噴射装置
Document Type and Number:
Japanese Patent JP7155997
Kind Code:
B2
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.
Inventors:
Masanori Mikoshiba
Yazaki Shiro
Toshihisa Shinbo
Hitoshi Takaai
Yazaki Shiro
Toshihisa Shinbo
Hitoshi Takaai
Application Number:
JP2018238102A
Publication Date:
October 19, 2022
Filing Date:
December 20, 2018
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
B41J2/14; B41J2/01; B41J2/16; B41J2/18
Domestic Patent References:
| JP2001260348A | ||||
| JP2004034417A |
Foreign References:
| WO2018116833A1 |
Attorney, Agent or Firm:
Akira Obayashi
Seiichi Takada
Taro Takahashi
Seiichi Takada
Taro Takahashi
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