A medium-opposed surface of a slider body is hemisected into first and second areas by the centerline extending in the longitudinal direction of the slider body. The second area is designed to generate a positive pressure larger than that generated at the first area when a load acting on the slider body...http://www.google.de/patents/US7369365?utm_source=gb-gplus-sharePatent US7369365 - Head slider capable of being reliably released from effect of moving recording medium