国家/地区 日本（2）
IPC部 C（4）
IPC大类 C22（4） C01（3） B21（2）
IPC小类 C22C（4） C22F（4） C01B（3）
B21B（2）
IPC C22C009/00（4）
发明人 CHIBA Y（2）
公开年 2015（4）
申请年 2014（2） 
专利权人 JX NIPPON MI.（2）

Preparation of copper-based olefinic alloy involves cold briquetting graphene and copper and/or copper alloy mixed powder, degassing in quartz tube, sintering, cooling, heat preserving and extruding in preset squeeze ratio.

DAI S, YANG C, HONG Q, YAN S

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 foil used for manufacturing graphene sheet, has preset orientation degree of specific face when measuring integral of diffraction intensity of faces by X-ray diffraction with respect to foil surface after heat processing.

CHIBA Y