Invention Grant
US07961428B2 Thin-film magnetic head having magnetic layer with non-magnetic layer therewithin 有权
具有非磁性层的磁性层的薄膜磁头

Thin-film magnetic head having magnetic layer with non-magnetic layer therewithin
Abstract:
Provided is a thin-film magnetic having improved write characteristics in the high-frequency band. The head comprises an electromagnetic coil element comprising upper and lower magnetic layers, a write gap layer and a write coil layer, and in the electromagnetic coil element, at least one non-magnetic layer is provided within the upper magnetic layer, and further, an upper surface, a lower surface, at least a portion of a front surface and at least a portion of a rear surface of the non-magnetic layer are covered with magnetic material of at least one of the upper magnetic layer and the lower magnetic layer.
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