Field electron emission

特許 係属中 PROBLEM TO BE SOLVED: To provide a member for a field electron emission source in which a linear complex made of a metal base and CNFs formed on it is specified into a shape, capable of stably emitting field electrons. ; SOLUTION: The member for field electron emission source in which a linear complex provided with a linear metal base on the edge part of which an conical body with a curvature radius on its top edge is arranged, and a plenty pieces of carbon nanofibers arranged on the base is improved.