Ink jet head substrate having heat generating resistor and...

Incremental printing of symbolic information – Ink jet – Controller

Reexamination Certificate

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Reexamination Certificate

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09677867

ABSTRACT:
An ink jet recording method for ejecting ink using an ink jet head substrate provided with a heat generating resistor, which is coated with a protection film, wherein the ink is ejected by a pressure produced by generation of a bubble, the bubble being created by film boiling of the ink caused by the application of thermal energy to the ink through the protection film, the thermal energy being generated by driving of the heat generating resistor, the improvement residing in that:there is provided a recording mode in which the ink is ejected with a maximum temperature at the surface of the protection film, which is contacted to the ink, not higher than 560° C.

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Patent Abstracts of Japan; vol. 1998, No. 13, Nov. 30, 1998.

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