国家/地区
IPC部 C（2）
IPC大类 C30（2）
IPC小类 C30B（2）
IPC C30B023/00（2）
发明人
公开年
申请年 2021（2）
专利权人

Producing multilayer graphene, involves synthesizing multilayer graphene from carbon source using iron-chromium alloy film as catalyst.

HAYASHI K, KONDO O

Graphite substrate useful for manufacturing light emitting diode epitaxial wafer in semiconductor field, comprises graphite disc and multiple annular isolation layer, where surface of graphite disc is provided with multiple grooves for containing epitaxial wafer.

LI P, LU X, XIAO Y, GUO B, DING T, GE Y