Ink ejecting device having alternating ejecting channels and non

Details Ink ejecting device having alternating ejecting channels and non Ink ejecting device having alternating ejecting channels and non

1994-10-18

1997-07-08

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 68, 347 71, B41J 2045

Patent

active

056466617

ABSTRACT:
An ink ejecting device includes ink channels intercommunicating with slits and air channels intercommunicating with another slits. The ink channels and the air channels have a narrow shape with a rectangular cross-section, and all of the ink channels are filled with ink and the air channels are filled with air. An LSI chip applies a voltage V to a pattern conducting to metal electrodes positioned in air channels located at both sides of an ink channel from which the ink is to be ejected and connects the other patterns connected to metal electrodes in other air channels not adjacent the ejecting ink channel and a pattern conducting to the metal electrodes of the non-ejecting ink channels to a ground line. Therefore, the ink ejecting device of the above structure requires no insulation between ink and electrodes as the working electrodes do not contact the ink.

REFERENCES:
patent: 3946398 (1976-03-01), Kyser et al.
patent: 4536097 (1985-08-01), Nilsson
patent: 4723129 (1988-02-01), Endo et al.
patent: 4842493 (1989-06-01), Nilsson
patent: 4879568 (1989-11-01), Bartky et al.
patent: 5016028 (1991-05-01), Temple
patent: 5432540 (1995-07-01), Hiraishi
patent: 5477247 (1995-12-01), Kanegae

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