Patent ID: 6324035
Filing Date: 2001-11-27
Classification: B82Y,G11B

Abstract:
A magnetic recording and reading device comprising:a magnetic head assembly in which a magnetic head is mounted on a suspension;an R/W-IC having a line width of not more than 0.35 .mu.m; anda magnetic disk medium having a magnetic recording layer formed on a substrate;wherein the magnetic head assembly has an inductance of not more than 65 nH;wherein the magnetic head has a magnetic path with a length of not more than 35 .mu.m, a part of the magnetic path being provided with one of a magnetic film and a multi-layer film consisting of a magnetic film and a non magnetic layer, the magnetic film and the multi-layer film having a resistivity of more than 50 .mu..OMEGA.cm; andwherein the magnetic recording layer has a magnetic film which comprises at least one metal element selected from a first group consisting of Co, Fe and Ni as a primary component, at least two metal elements selected from a second group consisting of Cr, Mo, W, V, Nb, Ta, Ti, Zr, Hf, Pd, Pt, Rh, Ir and Si, and at least one metal element selected from a third group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Bi, Sb, Pb, Sn, Ge and B.