Patent ID: 8810963

Claim:
A magnetic head for perpendicular magnetic recording, comprising: a medium facing surface facing a recording medium; first and second coils producing magnetic fields corresponding to data to be written on the recording medium; a main pole having an end face located in the medium facing surface, the main pole allowing magnetic fluxes that correspond to the magnetic fields produced by the first and second coils to pass, and producing a write magnetic field for writing the data on the recording medium by means of a perpendicular magnetic recording system; a write shield formed of a magnetic material and having an end face located in the medium facing surface; a gap part formed of a nonmagnetic material and located between the main pole and the write shield; a return path section formed of a magnetic material and located on a front side in a direction of travel of the recording medium relative to the main pole; and a yoke formed of a magnetic material and located on a rear side in the direction of travel of the recording medium relative to the main pole, wherein the end face of the write shield includes a first end face portion located on the front side in the direction of travel of the recording medium relative to the end face of the main pole, the return path section connects the write shield and part of the main pole located away from the medium facing surface to each other so as to define a first space enclosed by the main pole, the gap part, the write shield, and the return path section, the first coil is wound around the main pole so as to pass through the first space, the second coil is located on the rear side in the direction of travel of the recording medium relative to the main pole so as to pass between the main pole and the yoke, and a magnetic field that is produced in the main pole by the second coil and a magnetic field that is produced in the yoke by the second coil are in directions opposite to each other.