国家/地区 世界知识产权组织（3） 欧洲专利局（EPO）（2） 日本（2） 美国（2）
IPC部 C（3）
IPC大类 H01（3） C01（2）
IPC小类 H01J（3）
IPC H01J009/02（3）
发明人
公开年 2021（3）
申请年 2020（2） 
专利权人

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

Method for producing carbon nanotube (CNT) paste by carbon nanotube paste emitter in X-ray tube device, involves producing carbon nanotube paste, carbon nanotube powder, graphite nanoparticles, dispersing agent and distilled water are mixed.

LEE C J, GO H B, LEE S H, GO H, HUN L S

Device useful for processing graphene by plasma surface modification comprises e.g. vacuum chamber provided with air charging hole and air pumping hole, and counter electrode connected with radio frequency power supply system.

ZHANG B, JIN X, ZHU L, YU W, MA W, NIE J, LIU K