Patent ID: 6027824
Filing Date: 2000-02-22
Classification: G11B,Y10S,Y10T

Abstract:
A magnetic head with low non-linear transition shift comprising;two magnetic cores made of single crystal ferrite which face each other with a magnetic gap therebetween,a first metallic magnetic layer, having thickness equal to or more than 1.5 .mu.m and equal to or less than 7.5 .mu.m, being disposed on one of the magnetic cores and adjoining the magnetic gap and a second metallic magnetic layer, having thickness equal to or more than 1.5 .mu.m and equal to or less than 7.5 .mu.m, being disposed on the other of the magnetic cores and adjoining the magnetic gap;wherein1.4 T.ltoreq.Bs1.ltoreq.1.8 T,1.2 T.ltoreq.Bs2.ltoreq.1.6 T andBs1-Bs2.gtoreq.0.2 T;whereBs1: saturation magnetic flux density of the first metallic magnetic layer and Bs2: saturation magnetic flux density of the second metallic magnetic layer.