Ink jet printer head and manufacturing method therefor

Details Ink jet printer head and manufacturing method therefor Ink jet printer head and manufacturing method therefor

1993-03-10

1995-06-27

Hartary, Joseph W.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2045

Patent

active

054283825

ABSTRACT:
An ink jet printer head including a pair of body plates bonded together; a recess portion formed on at least one of the body plates, the recess portion having a plurality of pressure chambers and a plurality of orifices respectively communicating with the pressure chambers; a pressure generating section having a plurality of driving portions formed from a piezoelectric member, the driving portions having pressure applying surfaces respectively opposed to the pressure chambers; and a resin member molded with the pressure generating section inserted therein to form at least one of the body plates. Accordingly, even when the density of arrangement of the driving portions is increased, the resin member can be surely filled into each space between the adjacent driving portions, thus realizing high-density printing and improving the productivity of the ink jet printer head.

REFERENCES:
patent: 4752788 (1988-06-01), Yasuhara et al.
patent: 5260723 (1993-11-01), Naruse et al.

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