백충흠

Deck for magnetic recording/reproducing apparatus

김명준, 김봉주, 조영호, 2004 .

Reel driving apparataus and magnetic recording and reproducing device having the same

김명준, 김봉주, 조영호, 2004 .

Head-drum assembly for magnetic recording/reading apparatus

이승우, 김명준, 심재훈, 2004 .

Strucrure for earthing of head drum

이승우, 이승한, 최형석, 1999 .