Electron emitting device, method for producing the same and disp

Details Electron emitting device, method for producing the same and disp Electron emitting device, method for producing the same and disp

1992-12-21

1995-02-21

Yusko, Donald J.

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313336, 313351, H01J 130

Patent

active

053919564

ABSTRACT:
An electron emitting device with an insulating layer on a substrate. The insulating layer has a hollow part in which a conical electrode is formed. A conductive layer on the insulating layer has an aperture on the hollow part of the insulating layer. The hollow part is formed by etching utilizing an ion beam.

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