Method of making a field emitter
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United States of America Patent
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-
Oct 21, 1997
Grant Date -
N/A
app pub date -
Jun 1, 1995
filing date -
Mar 16, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A matrix addressable flat panel display includes a flat cathode operable for emitting electrons to an anode when an electric field is produced across the surface of the flat cathode by two electrodes placed on each side of the flat cathode. The flat cathode may consist of a cermet or amorphic diamond or some other combination of a conducting material and an insulating material such as a low effective work function material. The electric field produced causes electrons to hop on the surface of the cathode at the conducting-insulating interfaces. An electric field produced between the anode and the cathode causes these electrons to bombard a phosphor layer on the anode.
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