国家/地区 中国（10） 日本（8） 美国（8） 世界知识产权组织（8） 欧洲专利局（EPO）（5） 韩国（4） 德国（2） 台湾（2）
IPC部 C（21）
IPC大类 H01（21） C01（14） C23（7）
B82（5） D01（3） C08（2）
IPC小类 H01J（21）
IPC H01J009/02（21）
发明人 ZHANG X（2）
公开年 2013（3） 2021（3） 2022（3） 2001（2） 2020（2）
申请年 2020（4）  2021（3）  2009（2）  2013（2） 
专利权人

Preparing petal-shaped graphene field emission cold cathode, comprises selecting and cleaning substrate, selecting silicon sheet and copper foil copper foil as substrate, and growing layer of copper film on substrate surface.

ZHANG X, LEI W, ZHAO Z, ZHAO N

Preparing diamond-multilayer graphene composite cathode material e.g. used in emission display, involves grinding silicon substrate in diamond powder uniformly and compactly, putting grinded silicon substrate into suspension liquid made of diamond powder.

LIU H, GUAN L, WANG B, ZHANG W, XIONG Y

Preparing graphene field emission source useful in field emission cathode of electronic device e.g. display device, comprises slowly cooling carbon atom dissolved to metal material to form graphene layer by stage cooling, closing power supply to room temperature, and taking out metal material.

QIN C, LI T, WANG Q, LOU H, SHI L, LUO L, HUANG S

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

Preparation of nitrogen-doped reducing graphene oxide field emitting cathode used e.g. for field emission device, by mixing graphene oxide and organic adhesive, dispersing, using one end of graphite rod to dip, and drying graphite rod.

SONG Y, YU Y, LI B

Field emission cathode based on graphene/metamaterial composite nanostructures used in the field of high brightness and coherent electron sources comprises e.g. base material on patterned vertical carbon nanotube array and graphene material.

XU J, SHI Y, ZHANG X

Improving field emission performance of graphene sheet-silicon nanowire array composite material involves preparing silicon nanowire array by using metal catalytic corrosion method, and bombarding silicon nanometer by using silver ion.

DENG J, ZHANG Y, ZHU W

Nickel-base graphene field-effect water mineralizing device includes nickel base-graphite alkene material flat plate electrode, rectangular grid-shaped hollow insulating clapboard, upper copper rod and lower copper rod (4).

LIU T, LIU N, MIAO J, WANG Y, OUYANG G, LIU L, SUN F, LI M