Ink jet recording head and ink jet recording apparatus

Details Ink jet recording head and ink jet recording apparatus Ink jet recording head and ink jet recording apparatus

2007-02-13

2007-02-13

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S047000

Reexamination Certificate

active

10926959

ABSTRACT:
An ink jet recording head having a recording element substrate including three or more discharge port arrays comprising a plurality of discharge ports and recording elements for discharging ink from the discharge ports and supplying heat to areas around the discharge ports; wherein each of the discharge port arrays matches one or another of a plurality of types of ink whose viscosity decreases with a rise in temperature, and the discharge port arrays matching the most viscous of the inks to be discharged being arranged between other discharge port arrays to enable ink drips to be discharged stably, and an ink jet recording apparatus using the same are to be provided.

REFERENCES:
patent: 6095637 (2000-08-01), Hirabayashi et al.
patent: 6139761 (2000-10-01), Ohkuma
patent: 0 244 643 (1987-11-01), None
patent: 62-264957 (1987-11-01), None
patent: 9-11479 (1997-01-01), None
patent: 2718939 (1997-11-01), None

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