Electron source of a single crystal of lanthanum hexaboride emit

Details Electron source of a single crystal of lanthanum hexaboride emit Electron source of a single crystal of lanthanum hexaboride emit

1976-09-28

1977-10-18

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Electrode and shield structures

Cathodes containing and/or coated with electron emissive...

252509, 252521, 313336, H01J 114, H01J 1906, H01K 104

Patent

active

040549461

ABSTRACT:
An electron source using a single lanthanum hexaboride crystal oriented so the emitting surface is defined by a {110} crystal plane.

REFERENCES:
patent: 3312856 (1967-04-01), Lafferty et al.
patent: 3462635 (1969-08-01), Broers
patent: 3631291 (1971-12-01), Favreav
patent: 3823337 (1974-07-01), VanStratum et al.
patent: 3833494 (1974-09-01), VanStratum et al.
patent: 3928783 (1975-12-01), Hosoki et al.
patent: 3932314 (1976-01-01), Kawabe et al.
patent: 3944866 (1976-03-01), Sayer

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