Highly depressed, high thermal capacity, conduction cooled colle

Details Highly depressed, high thermal capacity, conduction cooled colle Highly depressed, high thermal capacity, conduction cooled colle

1992-12-03

1995-07-25

Lee, Benny T.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

313 46, H01J 2302

Patent

active

054365252

ABSTRACT:
An electron collector is provided for collecting spent electrons generated by a charged particle device after passage though an interaction region of a RF circuit. The collector has a centerline and comprises an outer structure which is coupled to the RF circuit. An inner structure is within the outer structure, and receives the spent electrons. A negative voltage is applied to the inner structure, which forms an electric field between the inner and outer structures. A plurality of thermally conductive and electrically insulative standoff assemblies extend between the outer and inner structures. Each of the assemblies comprise a ceramic planar member centered within outer walls providing a double-ended cup shape, and conductive plugs which adjoin each side of the planar member with the respective one of the inner and outer structures. An axis of symmetry of the assemblies lies perpendicular to a radial vector extending from the centerline, and lies parallel to the electric field vector. Since the conductive plugs are partially surrounded by the outer walls, a relatively long surface voltage breakdown path is provided between the plugs, while the thermal path through the planar member is relatively short.

REFERENCES:
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patent: 4107574 (1978-08-01), Ruf et al.
patent: 4358707 (1982-11-01), Delory et al.
patent: 4794303 (1988-12-01), Hechtel et al.
patent: 5025193 (1991-06-01), James

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