Electron source with microtip emissive cathodes

Details Electron source with microtip emissive cathodes Electron source with microtip emissive cathodes

1995-09-22

1998-09-29

Patel, Ashok

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313495, 313497, 313336, 313351, H01J 130

Patent

active

058149252

ABSTRACT:
An emissive electron source includes a first electrode (12) formed on an insulating substrate (1) in a form of mesh and a resistive coating (13) formed on the entire surface thereof. A plurality of cathodes (14) are disposed at the center of the mesh pattern to have the equal minimum distance between the respective cathodes (14) and the first electrode (12), and thereby improving the capability for limiting short-circuiting current in a resistive coating.

REFERENCES:
patent: 5194780 (1993-03-01), Meyer
patent: 5534744 (1996-07-01), Leroux et al.
patent: 5536993 (1996-07-01), Taylor et al.
patent: 5578896 (1996-11-01), Huang

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