Electric lamp and discharge devices – With gas or vapor – Mean free-path spacing of envelope portions or content parts
Patent
1986-12-31
1988-10-25
Boudreau, Leo H.
Electric lamp and discharge devices
With gas or vapor
Mean free-path spacing of envelope portions or content parts
313161, 313620, 313629, 313341, 315344, 315267, H01J 6300
Patent
active
047806451
ABSTRACT:
An electronic light radiation tube wherein a cathode and an anode disposed as spaced from each other by a small spacing are housed in an envelope enclosing therein a luminous gas, and a magnetic field is applied to the envelope so as to cause magnetic lines of force of the magnetic field to pass through the envelope, while the magnetic lines of force which have passed through the cathode are prevented from passing through the anode, whereby electrons emitted from the cathode are caused to collide at a high efficiency with the luminous gas throughout the entire interior space of the envelope to excite the gas, and highly uniform light radiation can be realized over the entire envelope.
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Hiramatsu Koji
Itatani Ryohei
Toho Makoto
Uetsuki Tadao
Boudreau Leo H.
Matsushita Electric & Works Ltd.
Powell Mark R.
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