国家/地区
IPC部 H（2）
IPC大类 H01（2）
IPC小类 H01J（2）
IPC H01J001/304（2）
发明人
公开年 2023（2）
申请年 2022（2）
专利权人

Field emission element has emitter that is provided with pointed tip formed on substrate, and gate electrode having opening portion exposing tip of emitter formed on substrate via insulating layer, and comprises a polycrystalline, multilayer graphene film.

MASAYOSHI N, HIROMASA M, KATSUHISA M, NAGAO M, MURATA H, MURAKAMI K

Preparation method of graphene-based composite material involves using mixed gas of argon gas and hydrogen as carrier gas, and obtaining graphene-based composite material by chemical vapor deposition, where graphene material grows parallel to substrate in composite material.

WEI M, CHEN L, GUO X, ZHAO Y, LI X, ZENG F, TANG S, TANG Z