国家/地区 中国（2）
IPC部 B（2）
IPC大类
IPC小类
IPC
发明人 ZHAO D（2）
公开年 2022（2）
申请年 2022（2） 
专利权人 HARBIN INST TECHNOLOGY（2）

Method for low-temperature direct brazing of nonmetal and metal by using commercial inactive brazing filler metal, involves placing pre-treated metal and brazing filler metal containing tin-based metal, on brazing heating platform, ultrasonically welding and cooling.

YAN J, XU Z, XIU Z, ZHAO D

Method for preparing material surface nano-particle by laser, involves placing substrate on mobile platform of vacuum chamber, performing irradiation of single-emitting or multi-emission laser pulse at same position of substrate, and forming compact nano particle in ablative region of substrate.

ZHAO Y, ZHAO D, CUI H