Field emission cathode of bio-molecular or semiconductor-metal eutectic composite microstructures
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United States of America Patent
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Aug 11, 1992
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N/A
app pub date -
Dec 5, 1990
filing date -
Dec 5, 1990
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Expired
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Abstract
A field emission cathode of bio-molecular or eutectic composite microstructure having rod-like tips protruding from a uniform base and covered with a thin layer of semiconductor material for producing macroscopic beam current densities without formation of surface plasma.
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