About KAGEYAMA Y
About Ricoh Co. Ltd., Kanagawa, JPN
About IWASAKI H
About Ricoh Co. Ltd., Kanagawa, JPN
About HARIGAYA M
About Ricoh Co. Ltd., Kanagawa, JPN
About IDE Y
About Ricoh Co. Ltd., Kanagawa, JPN
About Japanese Journal of Applied Physics. Part 1. Regular Papers, Short Notes & Review Papers
About optical disk
About 相変化型光ディスク
About Electronic recording,magnetic recording,optical recording
About Ag
About Sb
About Te
About 相変化型記録材料
About 消去
About コンパクトディスク
About Cd