国家/地区 中国（6） 欧洲专利局（EPO）（2） 西班牙（2） 日本（2） 韩国（2） 台湾（2） 美国（2） 世界知识产权组织（2）
IPC部 B（6）
IPC大类 C22（6）
IPC小类 C22F（6） C22C（4） C23C（4）
B21B（2） B21C（2） B82Y（2）
C01B（2） C23F（2）
IPC C22F001/02（6）
发明人 CHIBA G（2） CHIBA Y（2） WANG X（2）
公开年 2022（2）
申请年 2022（3）  2012（2） 
专利权人 JX NIPPON MI.（2） NIPPON MININ.（2） NIPPON MININ.（2）

Preparing graphene-doped copper bonding wire comprises taking graphene oxide, mixing with mixed metal powder to obtain molten mixed powder, placing semi-finished product wire into aqueous solution of reducing agent for heating, annealing, washing and drying.

FENG Z, QU S, LIU B, WANG T, LIN L

Method for preparing metal-graphene composite material by using electronic component, involves preparing metal-graphene composite material by hot-pressing sintering, and applying pulse current to metal substrate to perform surface heat treatment to metal substrate.

WANG X, HUO Y, LI J, CAO Z, XIAO Z

Preparing copper-based graphene composite material comprises growing graphene film on surface of copper foil by chemical vapor deposition, stacking, using ultrasonic welding technology to weld stacked components, and removing stress and annealing welded stack assembly.

WANG E, WANG X, HE M, ZHANG R, ZHAO C, HU X, LIU K, FU Y

Copper wire for wind power generation motor, comprises brass, red copper, industrial silver, graphene, aluminum, tungsten, nickel, iron, and nano graphite, where graphene and nano-graphite are in powder form and are crushed and sieved.

CHEN S

Copper foil used for manufacturing graphene, comprises copper with specific purity.

CHIBA Y, ONO T, CHIBA G

Copper foil used for manufacturing graphene, has glossiness or more than preset value, and average grain size more than preset value after being heated in atmosphere containing hydrogen and argon at specific conditions.

CHIBA YOSHIHIRO, CHIBA Y, YOSHIHIRO C, CHIBA G