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dynode

   Also found in: Medical, Wikipedia 0.01 sec.
dy·node  (dnd)
n.
An electrode used in certain electron tubes to provide secondary emission.
[Greek dunamis, power; see dynamic + -ode.]
dynode  (dnd)
An electrode used in certain electron tubes, especially photomultipliers, to provide secondary emission. Dynodes are arranged by increasing voltage between the cathode and anode of the tube, each attracting the cascade of electrons from the one behind it, and releasing more electrons to the next.


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? Mentioned in ? References in periodicals archive
 
For comparison purposes, the sixth light guide was affixed to a Burle 8850 2 inch PMT which has a higher gain first dynode.
A backscatter suppressed electron detector for the measurement of "a" by Mostovoy, Yu. / Journal of Research of the National Institute of Standards and Technology
The electrons are amplfied (caused to increase in number) by a chain of dynodes in process called "stimulated emission," producing a "shower" of electrons that makes an electrical pulse.
Controlling diversified gum calenders using gamma backscatter ... by Bates, Joel R. / Rubber World
The monochromator is coupled to a 9-stage dynode R237 1 PMT mounted in a shielded temperature regulated semi-hermetic enclosure.
The 1997 North American interagency Intercomparison of Ultraviolet ... by Beaubien, Arthur / Journal of Research of the National Institute of Standards and Technology
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