国家/地区 中国（3）
IPC部 C（3）
IPC大类 C25（3） C22（2） C30（2）
IPC小类 C25D（3）
IPC C22F001/02（2） C22F001/08（2） C25D001/20（2）
C25D003/38（2） C30B029/02（2）
发明人 WANG E（3）
公开年 2021（2）
申请年 2021（2） 
专利权人 SONGSHAN LAK.（3） ZHONGKE JING.（2）

Preparing low transmission loss single crystal copper material comprises e.g. forming single crystal copper layer on substrate i.e. graphene layer surface, and peeling off single crystal copper layer from substrate in mixed gas atmosphere of argon and hydrogen.

WANG E, YUE X, HUANG Z, HE M, ZHANG Z, DING Z

Cathode roller useful in electrolytic copper foil mechanism for preparing electrolytic copper foil, comprises annular base copper foil formed on peripheral wall of roll-shaped main body and is electrically connected to main body, and graphene film formed on surface of copper foil of base material.

WANG E, HE M, YUE X, HUANG Z, DING Z, ZHANG Z, LIU K

Board comprises first copper foil, graphene layer and second copper foil, second copper foil is electroplated copper.

LIU K, DING Z, ZHANG Z, KOU J, HUANG Z, YUE X, CHEN Y, WANG E