Capacitor

Details Capacitor Capacitor

1987-08-17

1988-07-05

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

220 21R, H01G 402

Patent

active

047559080

ABSTRACT:
A capacitor comprising a sealed hollow glass container, inductor means, a portion of which is mounted within said sealed glass container, two or more layers of material deposited on the exposed surfaces contained within the sealed glass container and a gaseous mixture filling said sealed glass container having a pressure, at 25.degree. C., of approximately 100 torr or more, the gases in said mixture being selected from a group of gases consisting of helium, neon, argon, krypton and xenon. The amounts of argon, neon and xenon do not, individually, exceed approximately 50%, by volume, of the total volume of said gaseous mixture. The amount of helium varies from approximately 10% to 90%, by volume, of the total volume of said gaseous mixture and the amount of krypton does not exceed approximately 20%, by volume, of the total volume of said gaseous mixture. The purity of the gases is approximately 99% or more. The adsorbed gases are removed from the inner surface of the glass container prior to deposition of the layers of material by exposure to a high vacuum (very low pressure) while heating the outside surface of the container. The inner surface of the glass container is generally spherical in configuration.

REFERENCES:
patent: 1886180 (1932-11-01), Green
patent: 2625671 (1953-01-01), Krefft
patent: 2719098 (1955-09-01), Goldman

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