国家/地区 日本（3）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5） C22C（5） B21B（2）
C22F（2） C23C（2） H01B（2）
IPC C22C009/00（5）
发明人
公开年 2015（4）
申请年 2014（5）
专利权人

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

Copper thin foil for manufacture of graphene, is made of material comprising specified amount of alloy elements chosen from specific elements of periodic table.

KIM K H

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

Copper-based contact material used in low-voltage circuit breaker, contactor and relay, comprises graphene-enhanced copper foam including graphene and copper, where copper foam comprises oxide powder, carbide powder and copper powder.

LIN W, LIU L, WENG W

Manufacturing method for graphene transparent conductive film involves making graphene grow on base-material surface by performing plasma processing using hydrogen gas in bottom of pressure reduction in heated state.

HASEGAWA M, KATO R, TSUGAWA K, ISHIHARA M, OKIKAWA Y, YAMADA T