CPC G11B 5/315 (2013.01) [G11B 5/012 (2013.01); G11B 5/02 (2013.01); G11B 5/1278 (2013.01); G11B 5/235 (2013.01); G11B 5/3116 (2013.01); G11B 5/3133 (2013.01); G11B 5/3143 (2013.01); G11B 5/3146 (2013.01); G11B 5/11 (2013.01); G11B 2005/0024 (2013.01)] | 19 Claims |
1. A magnetic recording device, comprising:
a main pole having a first surface adjacent to a trailing gap, a second surface adjacent to the first surface, a third surface opposite the second surface, and a fourth surface adjacent to a leading gap;
a trailing shield disposed adjacent to the trailing gap; and
a side shield comprising a first layer surrounding the first surface, the second surface, and the third surface of the main pole, and a second layer surrounding surfaces of the main pole consisting of the second surface and the third surface, the second layer being disposed in contact with the first layer, wherein the first layer comprises beta phase tungsten (β-W), Pt, or beta phase tantalum (β-Ta), and wherein the second layer comprises CoFe, CoIr, NiFe, or a CoFeX alloy, where X is B, Ta, Re, or Ir.
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