Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1985-11-06
1987-07-14
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
346 11, G01D 1516
Patent
active
046805958
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 restictor 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 transducers, and assembling all of the components in a particular relationship.
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Cruz-Uribe Antonio S.
Hubbard David W.
Raman Gopalan
Hartary Joseph W.
Pitchenik David E.
Pitney Bowes Inc.
Scolnick Melvin J.
Vrahotes Peter
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