▎ 摘　　要

NOVELTY - The structure has a graphene layer arranged between a metal foam framework substrate and a one-dimensional nano-material layer, where the graphene layer is utilized as an electronic transmission layer and total thickness of the graphene layer is less than 1nm. USE - 3D graphite/one-dimensional nanometer material composite field emission cathode structure. ADVANTAGE - The structure has wide application range. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a 3D graphite/one-dimensional nanometer material composite field emission cathode structure manufacturing method. DESCRIPTION OF DRAWING(S) - The drawing shows a photograph of a 3D graphite/one-dimensional nanometer material composite field emission cathode structure.