Glass antenna for RF-ion source operation

Details Glass antenna for RF-ion source operation Glass antenna for RF-ion source operation

1998-04-03

2000-09-26

Wong, Don

Communications: radio wave antennas

Antennas

Loop type

343895, 174 156, 427 49, H01Q 2100

Patent

active

061248347

ABSTRACT:
An antenna comprises a plurality of small diameter conductive wires disposed in a dielectric tube. The number and dimensions of the conductive wires is selected to improve the RF resistance of the antenna while also facilitating a reduction in thermal gradients that may create thermal stresses on the dielectric tube. The antenna may be mounted in a vacuum system using a low-stress antenna assembly that cushions and protects the dielectric tube from shock and mechanical vibration while also permitting convenient electrical and coolant connections to the antenna.

REFERENCES:
patent: 3856979 (1974-12-01), Schmid
patent: 4725449 (1988-02-01), Ehlers et al.
patent: 4990229 (1991-02-01), Campbell
patent: 5434353 (1995-07-01), Kraus
patent: 5587226 (1996-12-01), Leung et al.
Y. Lee, et al. "Quartz antenna for radio frequency ion source operation", Review of Scientific Instrunments, vol. 69, No. 2, pp. 1023-1025, Feb. 1998.

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