国家/地区 日本（4） 世界知识产权组织（2）
IPC部 H（4） G（2）
IPC大类 H01（4） G01（2）
IPC小类 H01J（4）
IPC G01N001/28（2） H01J009/02（2） H01J037/20（2）
发明人 HASEGAWA M（2） KATSUHISA M（2） MASAYOSHI N（2）
MURAKAMI K（2） NAGAO M（2）
公开年 2021（2）
申请年
专利权人 NAT INST ADVANCED IND SCI TECHNOLOGY（4）

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

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

Environmental cell for sample fixation installed in an electron microscope, comprises a base material, which has a first flat surface, and a graphene sheet to cover the sample mounted in the first surface side of the base material.

SEKIGUCHI T, HASEGAWA M