Method for in situ cleaning of electron emitters in a field emis

Details Method for in situ cleaning of electron emitters in a field emis Method for in situ cleaning of electron emitters in a field emis

1997-09-09

1999-10-05

Patel, Nimeshkumar D.

Electric lamp or space discharge component or device manufacturi

Process

Including cleaning

H01J 938

Patent

active

059613629

ABSTRACT:
A method for in situ cleaning of electron emitters (126, 226, 326, 526) in a field emission device (100, 200, 300, 400, 500) includes the steps of controllably providing hydrogen gas (142, 242, 342, 542) within the field emission device (100, 200, 300, 400, 500) at a time during the operational life of the field emission device (100, 200, 300, 400, 500) and, thereafter, emitting electrons from the electron emitters (126, 226, 326, 526), thereby forming hydrogen free radicals, which decontaminate and condition the emissive surfaces of the electron emitters (126, 226, 326, 526).

REFERENCES:
patent: 3822086 (1974-07-01), Palk
patent: 5442255 (1995-08-01), Ise et al.
patent: 5763998 (1998-06-01), Colombo et al.

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