Patent ID: 7092220
Filing Date: 2006-08-15
Classification: B82Y,G11B,H01F

Abstract:
1. A self-pinned abutted junction magnetic read sensor, comprising: a first self-pinned layer having a first magnetic orientation, the first self-pinned layer having a first end, a second end and central portion, the first and second end of the first self-pinned layer having a side surface, top surface and bottom surface; a second self-pinned layer formed over only the central portion of the first self-pinned layer, an interlayer being disposed between the first and second self-pinned layers; a free layer formed in a central region over the second self-pinned layer; and a first and second hard bias layers formed over the top surface of the first and second ends of the first self-pinned layer respectively, the first and second hard bias layer abutting the free layer, the top surface of the first and second end of the first self-pinned layer extending under the hard bias layers.