Electrodes, for example grid-like electrodes for use in electron

Details Electrodes, for example grid-like electrodes for use in electron Electrodes, for example grid-like electrodes for use in electron

1977-05-19

1979-01-30

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Electrode and shield structures

Foraminous electrodes or shields

252502, 29 2518, H01J 146, H01J 1704, H01J 1738, H01J 2110

Patent

active

041374770

ABSTRACT:
Disclosed are grid electrodes of glassy carbon which have good mechanical and electrical properties and can be manufactured in a simple manner with a great dimensional stability. The grid electrodes may be made by two alternative methods. In one method a body of cured synthetic resin is formed or processed into the shape of the desired electrode, after which it is carbonized. In the second method a preshaped body of cured synthetic resin which is in the unprocessed state, is carbonized after which the resulting glassy carbon body is further processed to the desired electrode, preferably by laser beam cutting.

REFERENCES:
patent: 3109712 (1963-11-01), Redfern
patent: 3995188 (1976-11-01), Gerlach et al.

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