Patent ID: 9053715
Filing Date: 2015-06-09
Classification: G11B,Y10T

Abstract:
1. A magnetic recording head having an air-bearing surface (ABS) configured to reside in proximity to a media during use, the magnetic recording head comprising: a main pole including a first main pole piece and a second main pole piece, the first main pole piece including pole tip occupying a portion of the ABS and a back edge distal from the ABS, the second main pole piece having a front surface, each of the first main pole piece and the second main pole piece being flat; at least one auxiliary pole having a front recessed from the ABS, the at least one auxiliary pole being magnetically coupled with the main pole; a nonmagnetic spacer between the back edge of the first main pole piece and the front surface of the second main pole piece; and at least one coil for energizing the main pole.