Method of manufacture of a PTFE surface shooting shuttered oscillating pressure ink jet printer
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United States of America Patent
Stats
-
Sep 18, 2001
Grant Date -
N/A
app pub date -
Jul 10, 1998
filing date -
Jul 15, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of manufacturing an ink jet printhead includes providing a substrate. A doped layer is deposited on the substrate and is etched to create an array of nozzles on the substrate with a nozzle chamber in communication with each nozzle. Planar monolithic deposition, lithographic and etching processes are used to form a shutter for openably closing each nozzle chamber and a coiled, thermally responsive actuator to which the shutter is connected for displacing the shutter to open and close the nozzle on demand for controlling ejection of ink from the nozzle.
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