Ink jet head

Details Ink jet head Ink jet head

1997-11-13

2000-10-24

Grimley, Arthur T.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 65, B41J 205

Patent

active

061375101

ABSTRACT:
There is disclosed an ink jet head comprising plural discharge energy generating elements for generating energy to be used for discharging ink droplets, ink discharge openings for discharging the ink droplets, a substrate bearing thereon an array of the plural discharge energy generating elements and an ink supply aperture consisting of a penetrating hole extending along the direction of array of the discharge energy generating elements, and an orifice plate provided with the ink discharge openings, in which the substrate and the orifice plate are mutually adjoined to define therebetween ink paths connecting the ink discharge openings and the ink supply aperture, wherein the orifice plate comprises plural projections in a position corresponding to the ink supply aperture.

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patent: 5682190 (1997-10-01), Hirosawa et al.
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