Impulse ink jet print head and method of making same

Details Impulse ink jet print head and method of making same Impulse ink jet print head and method of making same

G - Physics

01

D

26/200, 101/96.0

G01D 15/16 (2006.01) B41J 2/14 (2006.01)

Patent

CA 1267563

ABSTRACT An impulse ink jet print head and method of fabricating same. The print head comprises a plurality of superposed, contiguous plates including a nozzle plate with at least a pair of nozzles for ejecting ink droplets in a direction perpendicular to a plane of the plates. Another plate is a channel plate defining at least a pair of coplanar axially aligned elongated chambers, each connected to an ink supply and having an outlet communicating with an associated nozzle. A diaphragm plate overlies the channel plate and has transducers thereon for displacing ink in each of the chambers to eject discrete ink droplets from the nozzles. Other plates may include a manifold plate for directing ink to a plurality of pairs of chambers and a restrictor plate with restrictor orifices positioned between the manifold plate and each of the chambers. The method of fabricating the print head includes forming the different plates, forming the tranducers, and assembling all of the components in a particular relationship.

520887

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