Field emitter array with enhanced performance
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United States of America Patent
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Feb 18, 2003
Grant Date -
N/A
app pub date -
Aug 13, 2001
filing date -
Feb 12, 1999
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Abstract
A microwave modulable field-effect cathode which includes at least one array of emissive tips. A microwave modulation signal is produced by a device including a microwave-controllable semiconductor modulation element which is close to the tip array, and a short microline for conveying the modulation signal to the tip array. The microline provides impedance matching between the tip array and the semiconductor modulation element. Such a device can find application as a compact field-effect cathode, as one example.
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