国家/地区 中国（2）
IPC部 C（2）
IPC大类 H01（2）
IPC小类 H01J（2）
IPC H01J009/02（2）
发明人 ZHANG X（2）
公开年
申请年
专利权人

Preparing petal-shaped graphene field emission cold cathode, comprises selecting and cleaning substrate, selecting silicon sheet and copper foil copper foil as substrate, and growing layer of copper film on substrate surface.

ZHANG X, LEI W, ZHAO Z, ZHAO N

Field emission cathode based on graphene/metamaterial composite nanostructures used in the field of high brightness and coherent electron sources comprises e.g. base material on patterned vertical carbon nanotube array and graphene material.

XU J, SHI Y, ZHANG X