Ink jet recording head having a piezoelectric substrate

Details Ink jet recording head having a piezoelectric substrate Ink jet recording head having a piezoelectric substrate

1998-01-14

2000-08-22

Grimley, Arthur T.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2045

Patent

active

061061069

ABSTRACT:
An ink jet recording head has a plurality of ink channels, disposed on a piezoelectric substrate, for receiving liquid ink therein, a plurality of dummy channels arranged alternately with the ink channels on the substrate, a top plate for covering the ink channels and dummy channels, and a nozzle plate defining the front end of the channels and having a nozzle for each of the ink channels for ink ejection. The dummy channels have a depth larger than the depth the ink channel, and the top plate has a slit extending along each of the dummy channels, for reducing cross-talks between adjacent ink channels.

REFERENCES:
patent: 5432540 (1995-07-01), Hiraishi

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