Precision tunable resonant microwave cavity

Details Precision tunable resonant microwave cavity Precision tunable resonant microwave cavity

1985-02-11

1987-02-10

Anderson, Bruce C.

Electric lamp and discharge devices: systems

Discharge device load with fluent material supply to the...

Electron or ion source

250423R, H01J 2700

Patent

active

046425233

ABSTRACT:
A coaxial probe extends into a microwave cavity through a tube. One end of the tube is retained in a spherical joint attached in the cavity wall. This allows the coaxial probe to be pivotally rotated. The coaxial probe is slideable within the tube thus allowing the probe to be extended toward or retracted from the center of the cavity.
A tunable wall in the cavity is precisely positioned by a plurality of threaded rods extending through threaded bushings which are geared together. Thus, rotation of one of the bushings causes rotation of the other bushings simultaneously whereby the tuning wall is accurately positioned. Means are provided for moving the tube through which the coaxial probe extends in both a side to side and back and forth motion.

REFERENCES:
patent: 2410109 (1946-10-01), Schelleng
patent: 2496887 (1950-02-01), Nelson
patent: 2853647 (1958-09-01), Litton
patent: 3297908 (1967-01-01), Lundstrom
patent: 3300679 (1967-01-01), Brown
patent: 4507588 (1985-03-01), Asmussen et al.

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