国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3）
IPC小类 C21D（3） C25D（3） C23C（2）
IPC C25D003/12（3）
发明人
公开年 2022（2）
申请年
专利权人

Hardening stainless steel surface, involves taking sleeve base body after ultrasonic rolling, carburizing surface to form carburized layer, taking sleeve base body after carburization, and brightening surface to obtain finished product sleeve.

BIAN C

Preparation of corrosion resistant and hydrophobic micro-nano component used in micro-electromechanical system, involves electroforming, electrochemical polishing, heat treatment, keeping temperature, and cooling.

LIANG X, WANG S, LIU Z, SUO W, WANG Y

Vacuum brazing dispersed copper involves cleaning surface of dispersed copper workpiece, drying, blasting using graphene composite particles, placing in rare gas atmosphere, irradiating, cooling, electroplating, and vacuum brazing.

YANG P, CHEN M, HOU R, WANG X