Electron source, and image-forming apparatus and method of...

Details Electron source, and image-forming apparatus and method of... Electron source, and image-forming apparatus and method of...

H - Electricity

01

J

H01J 1/316 (2006.01) H01J 31/12 (2006.01) H01J 17/49 (2006.01)

Patent

CA 2112431

An electron source emits electrons as a function of input signals. The electron source comprises a substrate, a matrix of wires having m row wires and n column wires laid on the substrate with an insulator layer interposed therebetween, and a plurality of surface-conduction electron-emitting devices each having a pair of electrodes and a thin film including an electron emitting region and arranged between the electrodes. The electron-emitting devices are so arranged as to form a matrix with the electrodes connected to the respective row and column wires. The electron source further comprises selection means for selecting a row of the plurality of surface-conduction electron-emitting devices, and modulation means for generating modulation signals according to input signals and applying them to the surface-conduction electron-emitting devices selected by the selection means.

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