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Spin valve having copper oxide spacer layer with specified coupling field strength between multi-layer free and pinned layer structures
Spin valve having copper oxide spacer layer with specified coupling field strength between multi-layer free and pinned layer structures
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机译:具有氧化铜间隔层的旋转阀,该间隔层在多层自由层和固定层结构之间具有指定的耦合场强
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摘要
A magnetic head including a spin valve sensor having a sensor layer stack that includes a pinned magnetic layer, a spacer layer formed on the pinned magnetic layer, and a free magnetic layer formed on the spacer layer. In a preferred embodiment the spacer layer is comprised of CuOx. Plasma smoothing of the upper surface of the pinned magnetic layer is conducted prior to depositing the spacer layer, and a preferred plasma gas is a mixture of argon and oxygen.
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机译:一种包括自旋阀传感器的磁头,该自旋阀传感器具有传感器层堆,该传感器层堆包括被钉扎的磁性层,形成在被钉扎的磁性层上的隔离层以及形成在该隔离层上的自由磁层。在一个优选的实施方案中,间隔层由CuO x Sub>组成。在沉积间隔层之前,对被钉扎的磁性层的上表面进行等离子体平滑,并且优选的等离子体气体是氩气和氧气的混合物。
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