Field emission device high voltage pulse system and method

Details Field emission device high voltage pulse system and method Field emission device high voltage pulse system and method

1995-09-28

1997-06-17

Gorgos, Kathryn L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

205705, 134 1, 313309, B08B 600

Patent

active

056393563

ABSTRACT:
To prevent degradation of field emission in a field emission device (FED) (10) resulting from the accumulation of contaminating impurities on the surface (42) of the microtips (26) of the FED (10), a high voltage pulse is applied at a cathode voltage control (46) connected between a grid conductor layer (24) and a metal mesh (18) of the FED (10). Upon application of the pulse, the impurities are desorbed from the surface (42) of the microtips (26) and are captured by a getter (44), which binds the impurities to its surface.

REFERENCES:
patent: 3233137 (1966-02-01), Anderson et al.
patent: 3654108 (1972-04-01), Smith
patent: 5453659 (1995-09-01), Wallace et al.

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