| 摘要 |
An electron-emitting device is provided with stable electron emission characteristics and with uniformity of electron emission. The present invention thus provides a method for producing an electron-emitting device having a pair of device electrodes opposed to each other and a thin film including an electron-emitting region, formed on a substrate, wherein a voltage is applied so that a potential of a front surface of the substrate becomes higher than a potential of the back surface thereof. On that occasion, the strength of the electric field is not more than 20 kV/cm between the front surface and the back surface of the substrate. The substrate is heated during the application of the voltage.
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