About NAGAKI T
About Sony Corp., Yokohama, JPN
About CHUBACHI R
About Sony Magnetic Products Inc., Tagajyo, JPN
About ODAKA K
About Sony Corp., Tokyo, JPN
About SHINPUKU Y
About Sony Corp., Tokyo, JPN
About IIJIMA T
About Sony Corp., Tokyo, JPN
About HORIKAWA K
About Sony Corp., Tokyo, JPN
About IEEE Transactions on Magnetics
About digital recording
About Electronic recording,magnetic recording,optical recording
About バリウムフェライト
About 媒体
About DAT
About 磁気
About 複製