Miller, Glenn H. Weapons Effects Division, Sandia Laboratories, Albuquerque, New Mexico.
Last reviewed:January 2020
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The name given to the electrons originating at the cathodes of gaseous discharge devices. The term has now been extended to include low-pressure devices such as cathode-ray tubes. Furthermore, cathode rays are now used to designate electron beams originating from thermionic cathodes, whereas the term was formerly applied only to cold-cathode devices. See also: Cathode-ray tube
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