An MR head is disclosed in which the MR element is deposited onto a sapphire substrate with a particular crystallographic orientation and a sapphire closure piece also having a particular crystallographic orientation is used. The substrate has the MR element deposited onto either the {0001} or the {1120} plane with the {1100} plane being oriented as the wear surface. The closure piece has either the {1120} or the {0001} plane facing the MR material and the {1100} plane oriented as the wear surface.
申请公布号
US4225892(A)
申请公布日期
1980.09.30
申请号
US19790009321
申请日期
1979.02.05
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BASSETT, ROGER D.;DAUGHENBAUGH, GERALD A.;FIELDS, JR., DAVIS S.;MCCORMICK, WAYNE;POLLEYS, RHODES W.;SILKENSEN, RALPH D.;STEVING, GERALD