1. State Key Laboratory of Advanced Welding and Joining Harbin Institute of Technology (Weihai) Wenhua West Road 2 Weihai Shandong 264209 P. R. China
2. School of Materials Science and Engineering Harbin Institute of Technology (Weihai) Wenhua West Road 2 Weihai Shandong 264209 P. R. China
3. Beijing Institute of Remote-Sense Equipment Yongding Road 52 Beijing 100854 P. R. China
4. Xi'an Microelectronic Technology Institute Taibai South Road 198 Xi'an Shaan'xi 710065 P. R. China