Polychromatic acoustic ink printing

Details Polychromatic acoustic ink printing Polychromatic acoustic ink printing

B - Operations, Transporting

41

J

101/96.0208

B41J 2/04 (2006.01) B41J 2/14 (2006.01) B41J 2/175 (2006.01)

Patent

CA 1300971

ABSTRACT Polychromatic acoustic ink printers are disclosed, including several embodiments which utilize a single printhead for ejecting droplets of ink on command from a transport which carries the different colored inks past the printhead in timed synchronism with the printing of the corresponding color separations. If desired, a diluent also may be provided to permit the printing of an intensity mask. A variety of transports are described, including single ply solid or perforated films, as well as laminated multiple ply films composed of a solid or perforated lower layer, a perforated or mesh upper layer, and, in some embodiments, one or more perforated intermediate layers. furthermore, it is disclosed that a perforated transport may be overcoated with a patterned metallization so that an electric field can be generated to assist in controlling the droplet ejection process. Some of the transports are designed to carry the inks in a liquid state. However, others are suitable for carrying the inks in a solid state, so provision may be made for liquefying the inks, such as by heating them, as they approach the printhead or printheads.

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