| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for manufacturing an electron emission element having reduced variation in electron emission characteristic for each element, an electron beam device using the electron emission element, and an image display device using the electron beam device. <P>SOLUTION: A method for manufacturing an electron emission element comprising a gate, an insulation member having the gate on a top face thereof and having a recess on a side face just below the gate, and a cathode having a protrusion whose tip is opposite to the gate via the recess, the method comprises: forming the insulation member having on a top face thereof the gate composed of a member containing metal and capable of forming a passive film; and then forming the passive film on a surface of the gate. <P>COPYRIGHT: (C)2012,JPO&INPIT |
