Electron-emitting device

Details Electron-emitting device Electron-emitting device

2005-10-25

2005-10-25

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

C313S336000, C313S351000

Reexamination Certificate

active

06958571

ABSTRACT:
A method of manufacturing an electron-emitting element (20) for emitting electrons from diamond includes the first step of forming a diamond columnar member (25) on a diamond substrate (21), and the second step of forming an electron-emitting portion (30) having a base portion (36) and a sharp-pointed portion (32) which is located closer to a distal end side than the base portion (36) and emits the electrons by performing etching processing with respect to the columnar member (25).

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