Title:
INKJET PRINTHEAD
Document Type and Number:
Japanese Patent JP2004338381
Kind Code:
A
Abstract:
To provide an inkjet printhead that has a pressure chamber 18.
Each of two or more pressure chambers is fluid connected with a common ink reservoir (12) through an ink feeding passage (32) on one hand, and fluid connected with a nozzle (29) on the other, whereas an actuator (26) installed in each pressure chamber (18) is characterized by an acoustic wave attenuator (42) anchored to control an acoustic reflection of the ink feeding passage (32) and signal sending properties so that ink drops can be discharged through a nozzle (20) in accordance with printing signals, thereby pressurizing the contained ink.
Inventors:
VAN DEN BERG MARCUS J
REINTEN HANS
REINTEN HANS
Application Number:
JP2004089558A
Publication Date:
December 02, 2004
Filing Date:
March 25, 2004
Export Citation:
Assignee:
OCE TECH BV
International Classes:
B41J2/045; B41J2/055; (IPC1-7): B41J2/045; B41J2/055
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito