国家/地区 中国（2）
IPC部 C（2）
IPC大类 C30（2）
IPC小类 C30B（2）
IPC
发明人 HAO Y（2）
公开年 2020（2）
申请年
专利权人

Pretreating graphene growth substrate comprises using copper foil or copper-nickel alloy foil as the base, polishing base, placing in tube furnace for annealing, taking annealed substrate of tube furnace, and polishing.

HAO Y, NIU W

Preparing gallium nitride/aluminium gallium nitride (GaN/AlGaN) heterojunction material based on single crystal diamond substrate involves selecting single crystal diamond substrate, coating graphene layer on crystal diamond substrate.

REN Z, ZHANG Y, ZHANG J, NING J, HAO Y