Electron-emitting apparatus having a periodical electron-emittin

Details Electron-emitting apparatus having a periodical electron-emittin Electron-emitting apparatus having a periodical electron-emittin

1997-04-28

1999-12-21

Patel, Vip

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313310, 313496, 313355, H01J 130

Patent

active

060053348

ABSTRACT:
An electron-emitting apparatus is constituted by an electron-emitting device having an electroconductive film including electron-emitting portions, and an electrode for attracting electrons. An electrically insulated elongated region is formed in the electroconductive film to divide the film into a higher potential side and a lower potential side. The insulated region has a substantially periodical shape formed of portions projecting to the higher potential side and portions projecting to the lower potential side. Continuous electron-emitting portions are present at at least part of the portion projecting to the higher potential side in one period of the insulated region.

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patent: 5838097 (1998-11-01), Kasanuki et al.
patent: 5847495 (1998-12-01), Yamanobe et al.

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