国家/地区 韩国（3）
IPC部 C（2）
IPC大类
IPC小类
IPC
发明人 YANG M（3）
公开年 2023（2）
申请年
专利权人

Producing polyimide powder used in display, automobile, medical, battery, and aerospace, involves preparing polyamic acid solution, preparing polyimide mixed solution by heating polyamic acid solution, and filtering and drying precipitate present in mixed solution to obtain polyimide powder.

LEE H S, YANG M S, LEE I S, LEE H, YANG M

Cooling system for electronic device, has heat spread unit that covers one side of printed circuit board (PCB) so that space is formed above carbon material layer, and refrigerant is embedded in space between material layer and spread unit.

YANG M, OH B C, KIM Y H

Manufacture of porous graphene film used for forming co-extruded film, involves irradiating microwave to graphene oxide film formed from graphene oxide dispersion solution which is obtained by dispersing graphene oxide in solvent.

BONG S K, CHOI B G, JEONG J M, LEE K G, YANG M