Structural member made from a metallic material having an upper

Details Structural member made from a metallic material having an upper Structural member made from a metallic material having an upper

1979-07-16

1983-11-01

Rubinson, G. Z.

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

428627, H01J 4328

Patent

active

044133022

ABSTRACT:
The invention relates to a structural member made from a metallic material aving an upper surface exposed to dangers of electric charge accumulations during operation in an apparatus such as a high vacuum apparatus operating with a charge carrying beam wherein the upper surface is formed with a conductive or semiconductive compound of the metallic material which is also present in the body of the structural member and is in electrical contact with the body of the structural member, thereby preventing undesirable charge accumulation on the surface.

REFERENCES:
patent: 3096272 (1963-07-01), Begr
patent: 3442720 (1969-05-01), Bradley et al.
patent: 3540920 (1970-11-01), Wakefield
patent: 3674571 (1972-07-01), Van Thyne et al.
patent: 3765954 (1973-10-01), Tokuda et al.
patent: 3787223 (1974-01-01), Reedy, Jr.
patent: 3837927 (1974-09-01), Fritz et al.
patent: 4151325 (1979-04-01), Welch

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