[1] Mitsubishi Electr Corp, Ecomat & Mat Anal Dept, Adv Technol R&D Ctr, Amagasaki, Hyogo 6618661, Japan
[2] Denki Kagaku Kogyo Kabushiki Kaisha, Shibukawa Plant, Adhes Div, Adhes R&D Sect, Shibukawa, Gunma 3778520, Japan
[3] Mitsubishi Elect Engn Co Ltd, Nagasaki Engn Off, Nagasaki 8528065, Japan