Patents Represented by Attorney J. Holcombe

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  • Magnetic layer and method of manufacture
    Patent number: 4752344
    Abstract: An improved thin magnetic layer which is suitable for use in magnetic head pole piece applications and a method of manufacture therefor are disclosed. The magnetic layer is a single phase composition of NiFe and Al.sub.2 O.sub.3. The magnetic layer is manufactured by cosputtering from a single, two phase sputtering target, or from separate NiFe and Al.sub.2 O.sub.3 sputtering targets. The single phase composition results in increased abrasion resistance without degradation of the magnetic properties of the layer.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: June 21, 1988
    Assignee: International Business Machines Corporation
    Inventors: Nancy J. Jubb, Timothy M. Reith