1. Guangdong Provincial Key Laboratory of Materials for High Density Electronic Packaging
2. Shenzhen Institutes of Advanced Technology
3. Chinese Academy of Sciences
4. Shenzhen 518055
5. P. R. China
6. School of Materials Science and Engineering
7. Shandong University of Science and Technology
8. Qingdao 266590
9. Georgia Institute of Technology
10. Atlanta
11. USA
12. Department of Electronics Engineering