1. 1) B.R. Allenby, J.P. Ciccarelli, I. Artaki, J.R. Fisher, D. Schoenthaler, T.A. Carroll, D.W. Dahringer, Y. Degani, R.S. Freund, T.E. Graedel, A.M. Lyons, J.T. Plewes, C. Gherman, H. Solomon, C. Melton and et al.: Circuit World 19 (1993) 18-24.
2. 2) B.R. Allenby, J.P. Ciccarelli, I. Artaki, J.R. Fisher, D. Schoenthaler, T.A. Carroll, D.W. Dahringer, Y. Degani, R.S. Freund, T.E. Graedel, A.M. Lyons, J.T. Plewes, C. Gherman, H. Solomon, C. Melton and et al.: Circuit World 19 (1993) 25-31.
3. 3) T. Takemoto: Materia Japan 35 (1996) 320-325.
4. 4) T. Takemoto: J. Japan Weld Soc. 69 (2000) 100-107.
5. 5) T. Takemoto and M. Miyazaki: Mater. Trans. 42 (2001) 745-750.