Ink jet recording head, an ink jet unit and an ink jet apparatus

Details Ink jet recording head, an ink jet unit and an ink jet apparatus Ink jet recording head, an ink jet unit and an ink jet apparatus

1994-11-23

2000-12-05

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 20, B41J 2015, B41J 205

Patent

active

061556777

ABSTRACT:
An ink jet head for performing recording by discharging inks comprises an element substrate provided with a plurality of discharge energy generating elements for discharging the inks and a grooved member integrally having discharge ports, a plurality of grooves constituting ink flow passages provided corresponding to the discharge energy generating elements, a plurality of recess portions constituting a plurality of liquid chambers for supplying the inks to a plurality of ink flow passages, and separation grooves provided between the plurality of recess portions to separate between the recess portions constituting the liquid chambers. The element substrate and the groove member being jointed together. The liquid chambers are separated by the separation grooves for preventing the inks from flowing between the liquid chambers.

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