国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B22（2） C23（2）
IPC小类 B22D（2）
IPC C23C014/35（2）
发明人
公开年 2023（2）
申请年
专利权人

Preparation of graphene of modified magnesium alloy wheel hub for automobile, involves preparing graphene-modified magnesium alloy solution, low pressure casting, aging, machining, polishing, grinding, and coating.

GUO X, DU H, ZHANG Z, YU X

Normally-closed gallium nitride integrated device of large threshold voltage used in mobile phone, has sub-gate composed of gate layer connected through graphene film electrode to form series-parallel mixed double high frequency characteristics high electron mobility transistor integrated structure.

LUO M, CHENG T, WANG X, ZU Y, YU C