1. Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki, Nishi 1-1, Gakuen Kibanadai, Miyazaki 889-2192, Japan
2. Department of Engineering, Graduate School of Engineering, University of Miyazaki, Nishi 1-1, Gakuen Kibanadai, Miyazaki 889-2192, Japan
3. Design Engineering Section, Ceramic Packages Division 1, KYOCERA Corporation, Kokubu Yamashita-cho 1-1, Kirishima, Kagoshima 899-4396, Japan