国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人
公开年
申请年 2019（2）
专利权人

Preparation of easy differentiation polycrystalline silicon wafers involves mixing aluminum alloy powder and silicon carbide, spraying with graphene ethanol dispersion, pickling, refining, degassing, machining and bonding with core plates.

WANG X

Preparing single-layer single crystal graphene comprises e.g. pretreatment of copper foil, substrate annealing, growing, and cooling down.

WEN Y, HUANG R, HUANG Z, LAI F