Title:
インクジェットヘッド
Document Type and Number:
Japanese Patent JP6879306
Kind Code:
B2
Abstract:
The ink jet head is provided with: a nozzle plate (10) including a plurality of nozzles (N); a pressure chamber plate (20) including a pressure chamber (21) in which ink ejected from the nozzles (N) is stored; a spacer plate (40) that accommodates a piezoelectric layer (60) that applies pressure to the pressure chamber (20); a vibration plate (30) that is provided between the pressure chamber (20) and the piezoelectric layer (60) and transmits a displacement of the piezoelectric layer (60) to the pressure chamber; and an intermediate substrate (100) including a communication flow path through which the nozzles (N) and the pressure chamber (20) communicate with each other between the pressure chamber plate (20) and the nozzle plate (10). The nozzle plate (10) has separate circulation flow paths (111) that are respectively provided corresponding to the plurality of nozzles (N) to eject ink, and a common circulation flow path (113) through which the plurality of separate circulation flow paths (111) converge.
Inventors:
Koichi Samejima
Hideyuki Eguchi
Hideyuki Eguchi
Application Number:
JP2018529445A
Publication Date:
June 02, 2021
Filing Date:
June 20, 2017
Export Citation:
Assignee:
Konica Minolta Co., Ltd.
International Classes:
B41J2/14; B41J2/18
Domestic Patent References:
| JP2015071289A | ||||
| JP2014213606A | ||||
| JP2014111346A | ||||
| JP2008200902A | ||||
| JP2013071293A | ||||
| JP2012143948A |
Foreign References:
| WO2016114396A1 | ||||
| US20150085021 |
Attorney, Agent or Firm:
Fukami patent office