国家/地区 中国（2）
IPC部 H（2）
IPC大类 H01（2）
IPC小类 H01J（2）
IPC H01J001/304（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Graphene field emission cathode for vacuum electronic device, has metal nano-particles that are combined on surface of graphene nanometre sheet.

ZHENG H, LIANG D, HONG X

Self-aligned graphene field emission gate structure, has gate voltage power supply whose one pole is applied to substrate, and whose other pole is applied to gate for applying different magnitudes of gate voltage between substrate and gate.

LI Z, LI C, LIU G, DAI Q