Electrodeless microwave-generated radiation apparatus

Details Electrodeless microwave-generated radiation apparatus Electrodeless microwave-generated radiation apparatus

1990-04-06

1991-08-13

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315 39, H05B 4124

Patent

active

050399187

ABSTRACT:
An electrodeless microwave-generated radiation apparatus includes a microwave cavity wall made of metal material defining a microwave cavity, a lamp arranged in the microwave cavity containing emission material, a microwave generator supplying microwaves for exciting the emission material in the lamp, a microwave-coupling means coupling microwaves to the lamp through a waveguide, and a dielectric mirror arranged behind the lamp. The rise time of the apparatus can be remarkably shortened compared with the known art so that the damage of a magnetron can be reduced. The intensity of emission along the lamp is controlled by a projection or parasitic element. Further, by the use of a dielectric mirror, the object can be processed without temperature of the object to rise too high.

REFERENCES:
patent: 3872349 (1975-03-01), Spero
patent: 3911318 (1975-10-01), Spero et al.
patent: 3987331 (1976-10-01), Schreurs
patent: 4041352 (1977-08-01), McNeill
patent: 4042850 (1977-08-01), Ury
patent: 4359668 (1982-11-01), Ury
patent: 4431947 (1984-02-01), Ferriss
patent: 4504768 (1985-03-01), Ury
patent: 4532427 (1985-07-01), Matthews
patent: 4633140 (1986-12-01), Lynch
patent: 4928040 (1990-05-01), Uesaki
Journal of the Illuminating Engineering Society, vol. 14, No. 1, Oct. 1984, New York, pp. 283-297; Kenji Yoshizawa.

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