1. D.R. Frear, J.W. Jang, J.K. Lin, and C. Zhan, J. Mater. 53, 28 (2001).
2. WEEE Regulations EU-Directive 2002/96/EC (2002) http://ec.europa.eu/environment/waste/weee/legis_en.htm .
3. RoHS Regulations EU-Directive 2002/95/EC (2002) http://ec. europa.eu/environment/waste/rohs_eee/index_en.htm .
4. A.S.M.A. Haseeb, C.S. Chew, and M.R. Johan, J. Mater. Sci. 22, 1372 (2011).
5. K. Chen, C. Liu, D.C. Whalley, and D.A. Hutt, Int. Symp. Electron. Mater. Packag. 14, 107 (2005).