Fluid jet ejector
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United States of America Patent
Stats
-
May 28, 1985
Grant Date -
N/A
app pub date -
May 13, 1983
filing date -
May 13, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid jet ejector, such as is used in an inkjet printer head, is provided by a pair of spaced capacitor plates, one of which is a thin diaphragm, preferably of semiconductor material, such as silicon. The capacitor plates may be photolithographically developed. Impressing a time varying voltage on the capacitor causes the diaphragm to be set into mechanical motion. A reservoir containing fluid, such as ink, is contiguous the diaphragm and has a nozzle through which fluid exits responsive to diaphragm motion.
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Cited Art Landscape
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