On-demand multi-nozzle ink jet head

Details On-demand multi-nozzle ink jet head On-demand multi-nozzle ink jet head

1998-08-03

2000-04-25

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2045

Patent

active

060536020

ABSTRACT:
An on-demand multi-nozzle ink jet head includes a diaphragm and a plurality of piezoelectric stacks. The diaphragm forms at least one wall of a pressurizing chamber used to increase the pressure of the ink. When print signals are applied to the piezoelectric stacks. The stacks generate pressure fluctuations in the walls of the pressurizing chamber. An elastic material with adhesive properties is used to bond the diaphragm to the piezoelectric stacks, which elastic material has a Shore hardness of less than 80 on the A scale and less than 30 on the D scale.

REFERENCES:
patent: 3946398 (1976-03-01), Kyser et al.
patent: 5639508 (1997-06-01), Okawa et al.

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