国家/地区 世界知识产权组织（2）
IPC部 H（2）
IPC大类 H01（2）
IPC小类
IPC
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人 NAT INST ADVANCED IND SCI TECHNOLOGY（2）

Electron and optical device for use in electronic device, has laminated structure, in which intermediate layer is arranged between laminar substance material layer and metal electrode layer, where intermediate layer is taken as crystal layer.

WENHSIN C, TOSHIFUMI I, NAOYA O, YUTA S, SHOGO H

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