Method of making an elongated ink jet printhead

Details Method of making an elongated ink jet printhead Method of making an elongated ink jet printhead

1993-05-25

1995-08-08

Hall, Carl E.

Metal working

Piezoelectric device making

29416, 298901, 310367, 310368, H01L 4122

Patent

active

054387396

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.

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