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Thin Film Application in Magnetic Recording - NCCAVS - User Groups

Thin Film Application in Magnetic Recording - NCCAVS - User Groups

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Read Sensor General Structure and FunctionS2Capp<strong>in</strong>g LayersFree FM LayersBarrier LayersRef. FM LayersAP Coupled LayersRef. FM LayersAFM P<strong>in</strong>n<strong>in</strong>g LayersSeed LayersS1Capp<strong>in</strong>g Layer: (10-50Å; 1-3 Layers)Free FM Layer: (30-80Å; 1-5 Layers)Barrier Layers: (~10Å; 1-4 Layers)Ref.+P<strong>in</strong>ned Layers: (~30-60Å; 2-10 Layers)AFM P<strong>in</strong>n<strong>in</strong>g Layer: (40-80Å; 1 Layer)Seed Layers: (> 20A, 2-5 Layers)All Layers (>20) are Deposited <strong>in</strong> PVD Cluster w/o Vacuum Break (BP 5E-09)© 2012 HGST, a Western Digital company HGST ConfidentialZ. Gao7

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