Ink jet recording head

Details Ink jet recording head Ink jet recording head

1997-05-09

2000-11-14

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2045

Patent

active

061459666

ABSTRACT:
An ink-jet recording head (10) includes a plate (32,36) having a recess and a nozzle (38) fluidly communicated with the recess, a diaphragm (28) for covering the recess to form a cavity (34) with the plate for receiving an ink material (46), and an actuator (18) for vibrating to force the diaphragm to eject the ink material through the nozzle. Also, the diaphragm is pre-tensioned so that the diaphragm continues to deform elastically in response to vibrations of said actuator. Preferably, the diaphragm is pre-tensioned to have an elongation percentage of 0.15 to 3%.

REFERENCES:
patent: 5144342 (1992-09-01), Kubota
patent: 5446485 (1995-08-01), Usui et al.
patent: 5589725 (1996-12-01), Haertling
patent: 5710584 (1998-01-01), Suzuki et al.
patent: 5818482 (1998-10-01), Ohta et al.

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