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

G - Physics – 09 – F

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G09F 9/30 (2006.01) H05B 33/12 (2006.01)

Patent

CA 2297602

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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