Ink jet printer recording head

Details Ink jet printer recording head Ink jet printer recording head

1990-08-27

1993-10-19

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2045

Patent

active

052550168

ABSTRACT:
An ink jet printer recording head in which a plurality of vibrating plates made of a piezoelectric material are fixedly spaced from a nozzle plate such that the small gap therebetween admits a portion of ink. The surface of each vibrating plate is integrally provided with a pair of positive and negative comb-type electrodes. By applying a voltage across these comb-type electrodes, the vibrating plates are bent toward the nozzles to pressure the ink and attendantly eject the ink through the nozzles in the form of ink droplets on a recording sheet.

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IBM Technical Disclosure Bulletin, vol. 22, No. 6, Nov. 1979, New York U.S. pp. 2527-2529; K. K. Shih & H. C. Wang: "Application of GMO as an active element to printing mechanism".

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