公开(公告)号：US20220234356A1

公开(公告)日：2022-07-28

申请号：US17659049

申请日：2022-04-13

Applicant: SEIKO EPSON CORPORATION

Inventor： Yoichi NAGANUMA ,  Yuma FUKUZAWA ,  Shotaro TAMAI

IPC: B41J2/14 ,  B41J2/175

Abstract: The nozzle channel includes a first portion that extends in the first direction and communicates with the first communication channel and a second portion that extends in a third direction crossing the first direction and orthogonal to the second direction and communicates with the first portion, and an angle formed between the first direction and the third direction is larger than 0° and smaller than 90°.

公开(公告)号：US20220234354A1

公开(公告)日：2022-07-28

申请号：US17648891

申请日：2022-01-25

Applicant: SEIKO EPSON CORPORATION

Inventor： Shotaro TAMAI ,  Takahiro KATAKURA ,  Takanori AIMONO ,  Yuta OKAWA ,  Hitoshi TAKAAI

IPC: B41J2/14 ,  B41J2/045

Abstract: A communication plate in which are provided a first communication channel communicating with the first pressure chamber and the second pressure chamber and a first common liquid chamber communicating with the first pressure chamber and the second pressure chamber at positions different from positions at which the first communication channel communicates with the first pressure chamber and the second pressure chamber, and a nozzle substrate in which a first nozzle communicating with the first pressure chamber and the second pressure chamber in common via the first communication channel is provided. A second communication channel communicating with the first common liquid chamber and communicating with the first pressure chamber and the second pressure chamber in common is provided in the pressure chamber substrate or the communication plate.

公开(公告)号：US20210260875A1

公开(公告)日：2021-08-26

申请号：US17177604

申请日：2021-02-17

Applicant: SEIKO EPSON CORPORATION

Inventor： Yoichi NAGANUMA ,  Yuma FUKUZAWA ,  Shotaro TAMAI

IPC: B41J2/14 ,  B41J2/175

Abstract: the nozzle channel includes a first portion that extends in the first direction and communicates with the first communication channel and a second portion that extends in a third direction crossing the first direction and orthogonal to the second direction and communicates with the first portion, and an angle formed between the first direction and the third direction is larger than 0° and smaller than 90°.

公开(公告)号：US20210162752A1

公开(公告)日：2021-06-03

申请号：US17108381

申请日：2020-12-01

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuma FUKUZAWA ,  Shotaro TAMAI ,  Yoichi NAGANUMA ,  Akira MIYAGISHI ,  Kazuaki UCHIDA

IPC: B41J2/14 ,  B41J2/18

Abstract: A liquid ejecting head including: an individual flow path row in which a plurality of individual flow paths communicating with a nozzle that ejects a liquid in a first axis direction are arranged in parallel along a second axis orthogonal to a first axis, and a first common liquid chamber communicating with the plurality of individual flow paths, in which each of the plurality of individual flow paths has a pressure chamber that stores a liquid.