Ink jet method and apparatus using a thin film piezoelectric...

Details Ink jet method and apparatus using a thin film piezoelectric... Ink jet method and apparatus using a thin film piezoelectric...

B - Operations, Transporting

41

J

101/96.0208

B41J 2/025 (2006.01)

Patent

CA 1155167

ABSTRACT OF THE DISCLOSURE A thin film of polyvinylidene fluoride is operated in the piezoelectric thickness mode to stimulate fluid drop formation for ink jet printing systems. The film is placed against a rigid wall of either rectangular, cylindrical or spherical chambers having at least one nozzle for emitting a continuous stream of fluid from which the drops are formed. The frequency of the drop generation is related to the frequency of an AC voltage applied across the piezoelectric film.

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