Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1994-01-12
1995-10-31
Hartary, Joseph W.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
B41J 221
Patent
active
054634121
ABSTRACT:
A liquid jet recording head comprises plural discharge port groups and a corresponding plurality of liquid chambers for containing liquid to be discharged from the discharge ports. Each of the plural discharge ports has an opposing heat generating element, all of the heat generating elements being disposed on a single substrate having supply holes therein to supply liquid to the liquid chambers. The heat generating elements, being opposed to the discharge ports, are also disposed in groups, each having a common electrode and individual electrodes for the multiple heat generating elements in the group. The supply holes are located in the same area of the substrate as the individual electrodes, thus making the head compact.
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Canon Kabushiki Kaisha
Hartary Joseph W.
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