Field emission electron source employing a diamond coating
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United States of America Patent
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Nov 2, 1993
Issued Date -
N/A
app pub date -
May 15, 1992
filing date -
Aug 20, 1991
priority date (Note) -
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Abstract
A field emission electron emitter including a coating of diamond material disposed on a surface of a selectively formed conductive/semiconductive electrode wherein carbon ions are implanted at a surface of the electrode to function as nucleation sites for the diamond formation. A second field emission electron emitter is constructed by implanting carbon ions at a surface of a selectively shaped substrate to function as nucleation sites for the diamond formation. A conductive layer is deposited over the diamond and the substrate is removed to leave an electron emitter with a diamond coating.
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