1. 1. Y. Washio, T. Senzaki, Y. Masuda, K. Saito, H. Obiya. : Proceeding of the SPIE, Vol. 5753 (2005) p.p. 957-967.
2. 2. M. Takeda, Electronics Mounting Society Magazines Vol.7, No.2 (2004) p.p. 130-135.
3. 3. K. Takahashi, Electrode Contact Technology of COC (2004) p.p. 116-122.
4. 4. Wei and Joshi, IEEE CPMT, Vol. 26 (2003) p.p. 55-61.