Printhead with a two-dimensional array of reciprocating ink nozzles
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United States of America Patent
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-
Jul 21, 2009
Grant Date -
Jan 24, 2008
app pub date -
Oct 1, 2007
filing date -
Jun 9, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A printhead is provided for an inkjet printer. The printhead includes a two-dimensional array of ink nozzle arrangements. Each nozzle arrangement includes a wafer portion defining both a nozzle chamber for storing ink and an ink supply channel in fluid communication with the nozzle chamber. A cover covers the nozzle chamber and defines a nozzle rim from which a plurality of supports extends outwardly. The cover includes a plurality of actuators extending inwardly toward the nozzle rim between respective pairs of adjacent supports and terminates in free ends. The actuators include internal heating elements which can be actuated so that the free ends reciprocate into and out of the nozzle chamber to eject ink out through the nozzle rim.
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Cited Art Landscape
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