A method for manufacturing an electron source includes the steps of covering a substrate provided with a first electrode and a second electrode by a container, introducing a gas composed of a carbon compound into the container, and forming a carbon film by applying {HEAD ~ a voltage} between the first electrode and {TAIL ~ the second electrode} 
A method for manufacturing an electron source includes the steps of covering a substrate provided with a first electrode and a second electrode by a container , introducing a gas composed of a carbon compound into the container , and forming a carbon film by applying { HEAD ~ a voltage } between the first electrode and { TAIL ~ the second electrode }
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