K. Shibata, Sumiden Semiconductor Materials Co., Ltd.,
K. Aoyama, Sumiden Semiconductor Materials Co., Ltd.,
M Nishioka, Sumiden Semiconductor Materials Co., Ltd.,
K. Hashio, Sumiden Semiconductor Materials Co., Ltd.,
F. Adachi, Sumiden Semiconductor Materials Co., Ltd.,
S. Fujita, Sumiden Semiconductor Materials Co., Ltd., Sumitomo Electric Industries, Ltd
Yoshiaki Hagi, Sumiden Semiconductor Materials Co., Ltd., Sumitomo Electric Industries, Ltd, Itami
Tomonori Morishita, Sumiden Semiconductor Materials Co., Ltd., Sumitomo Electric Industries, Ltd