国家/地区 中国（2） 世界知识产权组织（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2） C25D（2）
IPC C25D003/38（2）
发明人
公开年
申请年 2021（2） 
专利权人

Preparing copper-chromium-zirconium alloy layered belt material with composite deformation of graphene/copper, involves subjecting bulk copper-chromium-zirconium alloy to solid solution treatment, carrying out room temperature iso-channel extruding, low temperature rolling, stacking and vacuum-aging.

WANG D, AN X, DU Q, WEI K, YAO L, WEI W

Composite copper foil structure used for copper-clad laminate and printed circuit board, has shell layer comprising N-layer graphene layer and M-layer metal copper layer alternately laminated with each other, and where surface of shell layer close to copper foil core layer is graphene layer.

GAO F, CAI L, ZHANG Q