Inkjet printhead with apertured sealing film
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United States of America Patent
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Mar 25, 2008
Grant Date -
Jul 21, 2005
app pub date -
Dec 20, 2004
filing date -
Jan 21, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A printhead for an inkjet printer, the printhead comprising: a printhead integrated circuit having an array of ink ejection nozzles formed on a substrate; a plurality of ink feed conduits for establishing fluid communication with at least one ink storage compartment; and, a polymer sealing film between the ink feed conduits and the printhead integrated circuits, the polymer film having an array of apertures such that the ejection nozzles are in fluid communication with the ink feed conduits; wherein, the polymer sealing film is more than 25 microns thick.
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