Patent ID: 6878028

Claim:
A method of manufacturing an electron source, the method comprising the steps of: (A) preparing a substrate on which a plurality of pairs of electrodes are arranged, the substrate being a glass substrate; (B) forming a plurality of x-direction wirings on a surface of the substrate so as to connect one electrode of at least one pair of electrodes to one of the plurality of x-direction wirings; (C) forming a plurality of y-direction-wirings crossing the x-direction wirings so as to connect another one electrode of the at least one pair of electrodes to one of the plurality of y-direction wirings; (D) arranging a plurality of electroconductive films on the surface of the substrate to connect respective electrode pairs, so that the plurality of electroconductive films are attached to the surface of the substrate; (E) flowing an electric current across each of the electroconductive films through the x-direction wirings and the y-direction wirings wherein step (E) further comprises the steps of: (F) assigning all of the x-direction wirings to M groups, each of which includes a plurality of the x-direction wirings, wherein M is an arbitrary integer not smaller than 5, (G) selecting one group from the M groups and then applying a voltage simultaneously to all of the x-direction wirings assigned to the selected one group, wherein step (G) is repeatedly performed until the voltage has been applied to all of the x-direction wirings, wherein between any of the x-direction wirings assigned to the selected one group, at least one x-direction wiring assigned to another group is disposed, wherein none of the x-direction wirings assigned to the n-th selected one of the M groups is adjacent to any one of x-direction wirings assigned to an n+1th selected one of the M groups, and n is an arbitrary integer not less than one and not more than M−1.