国家/地区 日本（10）
IPC部 B（10）
IPC大类 C01（10）
IPC小类 C01B（10）
IPC C01B031/02（10）
发明人 CHIBA Y（9） CHIBA G（5） YOSHIHIRO C（4）
CHIBA YOSHIHIRO（3） TATSUYA Y（2） YAMAJI T（2）
公开年 2012（3） 2013（3） 2014（2）
申请年 2012（6）  2014（2） 
专利权人 JX NIPPON MI.（9） NIPPON MININ.（6） NIPPON MININ.（5） NIPPON MININ.（3）

Spherical composite microparticles used as e.g. joining material in electronic apparatus, comprise graphene containing carbon fine powder in preset mass ratio, and metal chosen from silver and copper.

KATANO H, IMAMURA Z, IMAMURA Y

Rolled copper foil used in manufacture of graphene, has preset board width and sag dimension which is ratio of largest height with respect to minimum height of rolled copper foil along width direction.

CHIBA Y

Rolled copper foil used for manufacture of graphene used for formation of graphene sheet used for e.g. conductive thin film of display element, has preset detection strength ratio in positive pole, under specified conditions.

CHIBA Y

Rolled copper foil for manufacturing graphene, has specified glossiness in both direction parallel to rolling direction and direction perpendicular to rolling direction, and average crystal grain size.

CHIBA YOSHIHIRO, CHIBA Y

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

CHIBA Y, ONO T, CHIBA G

Copper foil for manufacturing graphene, has specified arithmetic mean roughness in rolling parallel direction and rolling perpendicular direction.

CHIBA YOSHIHIRO, CHIBA Y, CHIBA G, YOSHIHIRO C

Copper foil used for graphene manufacture, consists of copper plating layer containing hydrogen in ratio above preset value, and having glossiness above preset value in rolling parallel direction and right angle direction.

CHIBA Y

Copper foil for manufacturing graphene, has specified sum total of oxides and sulfides having diameter of below preset value before heating under hydrogen and argon-containing atmosphere.

CHIBA Y, YAMAJI T, YOSHIHIRO C, TATSUYA Y, CHIBA G

Copper foil for manufacturing graphene, has specified total number of oxide and sulfide having specified diameter with respect to elemental-analysis measurement of surface using scanning electron microscope.

CHIBA Y, YAMAJI T, YOSHIHIRO C, TATSUYA Y, 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