Ink jet nozzle arrangement with a segmented actuator nozzle chamber cover
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United States of America Patent
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-
Dec 29, 2009
Grant Date -
Jan 18, 2007
app pub date -
Sep 25, 2006
filing date -
Jun 9, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nozzle arrangement includes a wafer defining a nozzle chamber which can be supplied with ink via an ink supply channel. A cover is provided which covers the nozzle chamber. The cover defines a plurality of radially extending bridging portions which terminate in a common rim through which ink in the chamber can be ejected. The cover further defines a plurality of thermal bend actuators which each extend between a respective pair of adjacent bridging portions and each terminate in a free end proximal to the rim. Each thermal bend actuator is configured to bend upon actuation so that its free end enters the nozzle chamber and ejects ink through the rim.
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