Abstract:
An electron emission film having a pattern of diamond in X-ray diffraction and formed of a plurality of diamond fine grains having a grain diameter of 5nm to 10nm is formed on a substrate. The electron emission film can restrict the field intensity to a low level when it causes an emission current to flow, and has a uniform electron emission characteristic.
Abstract:
An electron emission film having a pattern of diamond in X-ray diffraction and formed of a plurality of diamond fine grains having a grain diameter of 5nm to 10nm is formed on a substrate. The electron emission film can restrict the field intensity to a low level when it causes an emission current to flow, and has a uniform electron emission characteristic.