Ink jet recording apparatus and driving method thereof using a flow resistance element to promote collapse of a generated bubble
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United States of America Patent
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-
Aug 27, 2002
Issued Date -
N/A
app pub date -
Apr 28, 2000
filing date -
Jun 15, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet recording head includes an ejection outlet for ejecting ink; an ink passage provided corresponding to the ejection outlet; a thermal energy generator to heat the ink in the passage to create a bubble; a flow resistance element, disposed in the ink passage upstream of the thermal energy generator with respect to a direction of flow of the ink, having a reduced ink passage area to divide the bubble.
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