Title:
インクジェットヘッド
Document Type and Number:
Japanese Patent JP4296738
Kind Code:
B2
Abstract:
An inkjet head provided with a plurality of pressure chambers includes an actuator unit for the plurality of pressure chambers. The actuator unit includes a plurality of inactive layers and at least one active layer, both made of piezoelectric material. The plurality of inactive layers are arranged on a pressure chamber side to cover the plurality of pressure chambers. The at least one active layer is arranged on an opposite side of the pressure chambers with respect to the inactive layers. The active layer is segmented to a plurality of segments which are located at positions correspond to the plurality of pressure chambers. Further, each segment of the active layer is sandwiched between a common electrode and a driving electrode.
Inventors:
Mikio Sakuma
Application Number:
JP2001365513A
Publication Date:
July 15, 2009
Filing Date:
November 30, 2001
Export Citation:
Assignee:
Brother Industries, Ltd.
International Classes:
B41J2/045; B41J2/055; B41J2/14; B41J2/155
Domestic Patent References:
| JP10128972A | ||||
| JP2001018389A | ||||
| JP9277523A | ||||
| JP10181012A | ||||
| JP9267489A | ||||
| JP3274159A | ||||
| JP4341852A | ||||
| JP9323410A | ||||
| JP10058674A | ||||
| JP10138476A | ||||
| JP2000117975A | ||||
| JP2001162796A | ||||
| JP11034341A | ||||
| JP10109415A | ||||
| JP10157109A |
Foreign References:
| WO1993022140A1 |
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara
Katsunori Muto
Makoto Suhara
Katsunori Muto