Acoustic ink jet printhead design and method of operation utiliz

Details Acoustic ink jet printhead design and method of operation utiliz Acoustic ink jet printhead design and method of operation utiliz

1999-07-23

2000-11-28

Metjahic, Safet

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 63, 347 65, B41J 2135, B41J 205

Patent

active

061542369

ABSTRACT:
A droplet emitter with an array of droplet emitting devices constructed such that one flowing liquid is used to create the droplets while a second low acoustic impedance liquid can be used to both make the transfer of acoustic energy to the first liquid more efficient and help maintain a uniform temperature of the droplet emitter array. Both liquids can be circulated through the droplet emitter to allow for excess heat generated by control electronics to be transferred to the flowing liquids. This prevents, for instance excess heat build-up within the droplet emitter and allows for higher more accurate droplet emission rates.

REFERENCES:
patent: 5591490 (1997-01-01), Quate
patent: 5686945 (1997-11-01), Quate et al.

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