Ink jet printing head having a piezoelectric driver member

Details Ink jet printing head having a piezoelectric driver member Ink jet printing head having a piezoelectric driver member

1996-02-06

1998-10-06

Tso, Edward

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 69, B41J 2045

Patent

active

058184813

ABSTRACT:
Disclosed is an ink jet head which ejects an ink drop from an ink room throughout an orifice in response to deformation of 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, the space formed between the groove and the film being uses as the ink room; a substrate provided opposing to the film; and a piezoelectric member having a first surface, the first surface contacting with the substrate corresponding to the ink room. A part of the first surface is fixedly connected with the substrate. The remaining part of the first surface is facing to the substrate, but is not fixedly connected.

REFERENCES:
patent: 4189734 (1980-02-01), Kyser et al.
patent: 4752788 (1988-06-01), Yasuhara et al.
patent: 5248998 (1993-09-01), Ochiai et al.
patent: 5311219 (1994-05-01), Ochiai et al.
patent: 5363133 (1994-11-01), Sugahara et al.
patent: 5428382 (1995-06-01), Shimosato et al.
patent: 5432540 (1995-07-01), Hiraishi
patent: 5471232 (1995-11-01), Hosono et al.

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