High current nova dual slit electrode enchancement

Details High current nova dual slit electrode enchancement High current nova dual slit electrode enchancement

1997-10-16

1999-09-28

O'Shea, Sandra

Electric lamp and discharge devices

With positive or negative ion acceleration

Extraction or target electrode

3133601, 3133611, H05H 100

Patent

active

059593962

ABSTRACT:
A suppression electrode assembly (18) comprises an electrode suppression plate (40) constructed of a material having substantial strength and durability and has an aperture seat (76) with an opening (72) defined therein. An aperture insert (80) constructed from graphite is slidably engageable with the aperture seat (76). The aperture insert (80) defines an elongated slit (84) which is in general alignment with the aperture seat opening (72) when the aperture insert (80) is installed in the seat (76).

REFERENCES:
patent: 4847504 (1989-07-01), Aitken
patent: 5017835 (1991-05-01), Oechsner
patent: 5399871 (1995-03-01), Ito et al.

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