About GOTO YASUHITO
About NAGAO MASAYOSHI
About URA TOSHIYUKI
About TSUJI HIROSHI
About ISHIKAWA JUNZO
About niobium compound
About negative electrode
About Thermoionic emission and field emission
About Other solid-state devices
About イオンビームアシスト蒸着
About 作製
About 窒化ニオブ
About フィールドエミッタ
About 電子放出