国家/地区 日本（2）
IPC部 H（2）
IPC大类 H01（2）
IPC小类 H01J（2）
IPC
发明人
公开年 2021（2）
申请年
专利权人 NAT INST ADVANCED IND SCI TECHNOLOGY（2）

Electron-emitting element e.g. cold cathode-type electron source, has coating membrane that is film which transmits electron, and second electrode that is protective film of different material, and comprises electron emission surface.

MURAKAMI K, NAGAO M, KATSUHISA M, MASAYOSHI N

Transmission type electron microscope sample support has support element that includes several holes and graphene of two layers to cover hole of one portion of multiple holes and hydrophilic group adhered to defect among graphenes of layer.

KATO R, SATO C, SUENAGA K, HASEGAWA M