Electron-emitting device, and electron beam-generating...

Details Electron-emitting device, and electron beam-generating... Electron-emitting device, and electron beam-generating...

H - Electricity

01

J

H01J 29/46 (2006.01) H01J 1/316 (2006.01) H01J 31/12 (2006.01)

Patent

CA 2080091

An electron-emitting device having an electron-emitting portion between electrodes on a substrate comprises a region A and a region B, the region A being electrically connected through the region B to at least one of the electrodes, electric conductivity .sigma.1 of the. material mainly constituting the region A and electric conductivity of the material .sigma.2 mainly constituting the region B being in the relation of .sigma.1 > .sigma.2, and the region A being the electron-emitting portion. An electron beam-generating apparatus and image-forming apparatus comprise the electron-emitting device and a modulation means for modulating the electron beams emitted from the electron-emitting elements in accordance with information signals.

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