Method of manufacturing a pressed scandate dispenser cathode
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United States of America Patent
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May 25, 2010
Grant Date -
Jan 31, 2008
app pub date -
Aug 8, 2007
filing date -
Jul 19, 2006
priority date (Note) -
Expired
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Abstract
. After water bathing, the mixed aqueous solution turns into gel, and the powders are obtained after the gel calcination. Secondly, the calcined powders are reduced by hydrogen. Finally, the reduced powders are pressed into shapes and then sintered in the furnace with the atmosphere of hydrogen or by Spark Plasma Sintering (SPS 3.202-MK-V) in vacuum.
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