国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B031/04（3）
发明人 ZHANG W（3）
公开年 2013（3）
申请年 2013（2） 
专利权人 CHONGQING IN.（2）

Preparing double-layer graphene thin film used in field of e.g. micro-electronics, comprises e.g. coating catalyst on the surface of metal foil/thin film substrate, drying, placing in reaction chamber, pumping vacuum, and filling hydrogen.

LI P, WANG Z, CHEN Y, ZHANG W, LIU J

Preparation device of graphene, has growth chamber which is connected with vacuum-pumping device, and growth substrate of growth chamber is wound on coil that is connected with alternating current source.

SHI H, LI Z, DU C, ZHANG W

Roll-to-roll graphene preparation device, comprises e.g. a sealed vacuum chamber and a roller comprising a driving roll for guiding graphene growing foil, growing roll for growing graphene and winding roll for winding graphene growing foil.

ZHANG W, LI Z, DU C, SHI H