Sintered wire cathode
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United States of America Patent
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Jun 9, 2009
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N/A
app pub date -
Mar 21, 2005
filing date -
Mar 21, 2005
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Abstract
. The work function reduction material migrates through the pores of the porous cathode from a work replenishment surface adjacent to the cavity of the dispenser cathode support to an emitting cathode surface, thereby providing a dispenser cathode which has a uniform work function and therefore a uniform electron emission.
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