Patent ID: 7739790
Filing Date: 2010-06-22
Classification: B82Y,H01J,Y10T

Abstract:
1. A manufacturing method of an electron-emitting device, including a first electrode having a plurality of fibers and a second electrode located at a distance from the first electrode, and emitting an electron into a vacuum space from one or more of fibers not short-circuiting between the first and second electrodes, comprising: a step of preparing the first electrode including a plurality of fibers each containing carbon and the second electrode; a step of preparing the fibers not short-circuiting between the first and second electrodes by ablating one or more of fibers short-circuiting between the first and second electrodes by flowing a current into the one or more of the fibers, wherein the step of preparing the fibers not short-circuiting between the first and second electrodes comprises a step of applying a potential higher than a potential of the second electrode to the first electrode; and a step of electrically connecting, to the first and second electrodes, a potential applying unit for applying, to the first electrode, the potential lower than the potential of the second electrode.