Diaphragm type ink jet head having a high degree of integration

Details Diaphragm type ink jet head having a high degree of integration Diaphragm type ink jet head having a high degree of integration

1995-07-31

1998-02-17

Malley, Daniel P.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 61, B41J 205

Patent

active

057196044

ABSTRACT:
A pressure generating member applies a pressure to an ink, the member having a symmetric configuration and including a buckling body. The buckling body may include a radially extending ribbed portion on its upper surface and no buckling layer beneath it. A heater layer is interposed between insulating layers for heating the buckling body, the buckling body having its peripheral edge portion fixed on a substrate. A center portion of the buckling body is buckled by being heated. An orifice plate is arranged so as to cover the pressure generating member with interposition of a gap defining a cavity for the ink. The orifice plate is provided with a nozzle serving as an ink discharge outlet located in a portion of the orifice plate opposite to the pressure generating member.

REFERENCES:
patent: 5467112 (1995-11-01), Mitani
Ser. No. 08/442,701, May 1995, Abe et al.
Ser. No. 08/454,684, May 1995, Hirata et al.

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