Method and apparatus for merging satellites in an ink jet...

Details Method and apparatus for merging satellites in an ink jet... Method and apparatus for merging satellites in an ink jet...

B - Operations, Transporting

41

J

222/10, 101/96.0

B41J 2/10 (2006.01) B41J 2/035 (2006.01)

Patent

CA 1039790

METHOD AND APPARATUS FOR MERGING SATELLITES IN AN INK JET PRINTING SYSTEM ABSTRACT OF THE DISCLOSURE In an ink jet recorder, a ferrofluid ink is supplied under pressure to a nozzle to form a continuous ink jet stream. The jet stream is sub- jected to two or more perturbation forces out-of-phase with each other causing the satellites and drops to fast merge. Plural electromagnetic transducers are located at spaced locations along the stream and ener- gized to produce out-of-phase perturbations on the stream. The spacing of the transducers is differentially related to spacing of varicosities or ink drops produced by first transducer. The out-of-phase perturba- tions can also be obtained using an electromechanical transducer and electromagnetic transducers located out-of-phase or energized out-of- phase with each other.

238097

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