Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron
Patent
1987-06-19
1988-11-29
Moore, David K.
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Distributed parameter resonator-type magnetron
31511181, 31511141, 313161, 3133591, 333 35, 250423R, H01J 304
Patent
active
047884738
ABSTRACT:
A plasma generating device comprises:
a rectangular wave guide for transmitting microwaves, wherein the width of the plasma generating device is decreased in the direction of an electrical field of the microwaves; a plasma generating chamber wherein plasma is generated by absorbing, in a gas, microwave energy transmitted by the rectangular wave guide, and a part of the plasma generating chamber has a rectangular cross-section taken along the plane perpendicular to the microwave propagation direction. A magnetic field generating device is provided having the same axial direction as the direction of propagation of the microwaves and applies a magnetic field having an Electron Cyclotron Resonance intensity to the plasma generating chamber. The magnetic field generating device is provided at least one location outside of the direction of the microwave electrical field direction, and a dielectric window is provided between the rectangular wave guide and the plasma generating chamber to realize a vacuum seal of the plasma generating chamber.
REFERENCES:
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patent: 4173744 (1979-11-01), Faillow et al.
patent: 4438368 (1984-03-01), Abe et al.
patent: 4543465 (1985-09-01), Sakudo et al.
patent: 4598231 (1986-07-01), Matsuda et al.
patent: 4641060 (1987-02-01), Dandl
Hotta Masanao
Igarashi Takashi
Mori Haruhisa
Nakano Moto'o
Ono Yoshinobu
Fujitsu Limited
Moore David K.
Powell Mark R.
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