Optimal track-width design of AMR/GMR heads for high-track-density disk drives Tomiyama, F. ; Ide, H. ; Hamaguchi, T. ; Takano, H. ; Yamaguchi, T. ; Kodama, N. Abstract Publication: IEEE Transactions on Magnetics Pub Date: July 1998 DOI: 10.1109/20.706760 Bibcode: 1998ITM....34.1970T