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专利名称:MR sensor having thick active region
between two thinner inactive MR regionstopped with respective permanent magnets
发明人:Allan E. Schultz,Peter K. George,Arthur
Calderon,Jumna P. Ramdular,Juan J.Fernandez-De Castro,Leroy L.Longworth,Peter I. Bonyhard
申请号:US08/302799申请日:19940913公开号:US05712565A公开日:19980127
摘要:A magnetoresistive sensor (10) having permanent magnet stabilization includesa magnetoresistive layer (12), at least one permanent magnet (14a or 14b), and first andsecond current contacts (16a and 16b). The magnetoresistive layer (12) has an activesensing region (18) having a first thickness, and at least one under layer region (26a or26b), with each under layer region (26a or 26b) having a second thickness that is less thanthe first thickness. Each permanent magnet (14a or 14b) is formed upon an under layerregion (26a or 26b) of the magnetoresistive layer (12), and the first and second contacts(16a and 16b) are electrically coupled to the active region (18).
申请人:SEAGATE TECHNOLOGY, INC.
代理机构:Kinney & Lange, P
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