Elongated ink jet printhead using joined piezoelectric actuator

Details Elongated ink jet printhead using joined piezoelectric actuator Elongated ink jet printhead using joined piezoelectric actuator

1995-08-03

1998-05-12

Malley, Daniel P.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

H01L 4122

Patent

active

057513180

ABSTRACT:
A sidewall actuated channel array for a high density ink jet printhead includes a top wall, bottom wall and a plurality of liquid confining channels formed between columns of polarized piezoelectric material. The array is formed from a plurality of sheets of polarized piezoelectric material which are joined together. Several embodiments are provided for distributing the joints between sheets of piezoelectric material to reduce the magnitude of the electric field needed to polarize the piezoelectric material.

REFERENCES:
patent: 5193256 (1993-03-01), Ochiai et al.
patent: 5235352 (1993-08-01), Pies et al.
patent: 5365645 (1994-11-01), Walker et al.
patent: 5505364 (1996-04-01), Plesinger
patent: 5543009 (1996-08-01), Hayes

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