About KOJIMA Y
About Pioneer Electronic Corp., Saitama, JPN
About KITAHARA H
About Pioneer Electronic Corp., Saitama, JPN
About KASONO O
About Pioneer Electronic Corp., Saitama, JPN
About KATSUMURA M
About Pioneer Electronic Corp., Saitama, JPN
About WADA Y
About Pioneer Electronic Corp., Saitama, JPN
About Japanese Journal of Applied Physics. Part 1. Regular Papers, Short Notes & Review Papers
About optical disk
About electron beam recording
About Electronic recording,magnetic recording,optical recording
About 電子ビーム
About 高密度
About マスタリング