Microwave tube having structure for preventing the leakage of mi

Details Microwave tube having structure for preventing the leakage of mi Microwave tube having structure for preventing the leakage of mi

1975-04-11

1976-11-30

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 35, 333 77, H01J 2302

Patent

active

039951936

ABSTRACT:
Shielding means for preventing the emission of microwave radiation from microwave tubes which are typically comprised of an electron gun source, an intermediate body section and a collector section electrically isolated from the adjacent body section by means of a ceramic seal. A metallic shield has one end connected to the body section (or the collector section) and has its other end spaced from the collector section (or body section). An insulation layer is interposed in the gap space between the shield and the collector section (or body section). A microwave energy-lossy body is arranged in contact with one or both sides of the insulation layer to absorb microwave radiation transmitted along the insulation layer so as to prevent emission of potentially harmful microwave energy from the tube. The insulation layer may comprise either a linear or elongated tortuous undulating path. The shielding means may further be enclosed in an outer waterproof insulation layer to maintain the integrity of the desirable electric insulation properties between the body section and the collector section.

REFERENCES:
patent: 2409664 (1946-10-01), Clifford
patent: 3284660 (1966-11-01), Abraham et al.
patent: 3471739 (1969-10-01), Espinosa
patent: 3483419 (1969-12-01), Luebke
patent: 3526798 (1970-01-01), Sandstrom
patent: 3748513 (1973-07-01), Levin
patent: 3852636 (1974-12-01), Edgcombe
patent: 3859558 (1975-01-01), Harada et al.

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