Ink jet head

Details Ink jet head Ink jet head

1996-03-06

1999-02-23

Wong, Peter S.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 71, 347 68, B41J 214

Patent

active

058749756

ABSTRACT:
Disclosed is an ink jet recording apparatus and an ink jet head which ejects an ink droplet from an ink chamber via an orifice in response to transformation of a piezoelectric member. The ink jet head has a non-piezoelectric member having a groove; a film provided on the non-piezoelectric member to cover the groove, a space formed between the groove and the film being used as the ink chamber; and a piezoelectric member provided on the film corresponding to the ink room. The piezoelectric member has a plurality of surfaces one of which is fixedly connected with the film corresponding to the ink room and other of which are facing to air.

REFERENCES:
patent: 3946398 (1976-03-01), Kyser et al.
patent: 4072959 (1978-02-01), Elmqvist
patent: 4115789 (1978-09-01), Fichbeck
patent: 4189734 (1980-02-01), Kyser et al.
patent: 5471232 (1995-11-01), Hosono et al.
patent: 5604522 (1997-02-01), Miura et al.

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