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vacuum relay

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vacuum relay [′vak·yəm ′rē‚lā]
(electricity)
A sensitive relay having its contacts mounted in a highly evacuated glass housing, to permit handling radio-frequency voltages as high as 20,000 volts without flashover between contacts even though contact spacing is but a few hundredths of an inch when open.
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Earlier this year, ZYGO was awarded a contract for 192 vacuum relay telescopes with a potential value of $7.
Zygo Receives Contract Award for Opto-Mechanical Assemblies from ... by Business Wire
29, 2002 Zygo Corporation (NASDAQ: ZIGO), has received a contract award for 192 Vacuum Relay Telescopes from the University of California managed, Lawrence Livermore National Laboratory (LLNL).
Zygo Corporation Receives Multi-million Dollar Contract Award From ... by Business Wire
 
 
 
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