Ink jet head

Details Ink jet head Ink jet head

1993-02-24

1995-07-11

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 94, B41J 2045, B41J 2055

Patent

active

054325404

ABSTRACT:
In a shear mode type ink jet head, nozzle holes are disposed at substantially central portions of channels formed between barriers of piezoelectric material, and common ink reservoirs are provided at both ends of the channels. In one embodiment, two kinds of channels having different depths are formed in alternating succession on a board made of piezoelectric material. Channels of one depth are used as dummy channels and are kept empty, and channels of the other depth are filled with ink and the ink can be ejected from the channels through nozzle holes.

REFERENCES:
patent: 4568953 (1986-02-01), Aoki et al.

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