Microminiature thermionic converters
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United States of America Patent
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Jan 21, 2003
Issued Date -
N/A
app pub date -
Jun 28, 2001
filing date -
Feb 26, 1998
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Abstract
Microminiature thermionic converters (MTCs) manufactured using MEMS manufacturing techniques including chemical vapor deposition, and having high energy-conversion efficiencies and variable operating temperatures. The MTCs of the invention incorporate cathode to anode spacing of about 1 micron or less and use cathode and anode materials having work functions ranging from about 1 eV to about 3 eV. The MTCs of the present invention have maximum efficiencies of just under 30%, and thousands of the devices can be fabricated at modest costs.
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