Micromachine, liquid jet recording head using such micromachine, and liquid jet recording apparatus having such liquid jet recording headmounted thereon
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United States of America Patent
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-
Sep 29, 1998
Grant Date -
N/A
app pub date -
Jun 27, 1996
filing date -
Jun 28, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A micromachine comprises at least one heat generating unit arranged on the surface of a substrate, a housing for retaining liquid having a liquid retaining portion along the heat generating unit, and a rotator rotatively supported in the liquid retaining portion of the housing for retaining liquid. This rotator is structured to rotate by way of the boiling of liquid in the liquid retaining portion by heat generated by the heat generating unit. The micromachine, such a micropump or a micromotor, is incorporated in a liquid jet recording head to cause recording liquid to flow compulsorily in order to remove accumulated bubbles in the liquid paths for maintaining good performance of the liquid jet recording head at all times.
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