| US 7,558,019 B2 | ||
| Perpendicular magnetic recording write head with flux-conductor contacting write pole | ||
| Quang Le, San Jose, Calif. (US); James L. Nix, Gilroy, Calif. (US); Neil Leslie Robertson, Palo Alto, Calif. (US); Neil Smith, San Jose, Calif. (US); and Petrus Antonius VanDerHeijden, San Jose, Calif. (US) | ||
| Assigned to Hitachi Global Storage Technologies Netherlands B.V., Amsterdam (Netherlands) | ||
| Filed on Nov. 16, 2006, as Appl. No. 11/560,761. | ||
| Prior Publication US 2008/0117546 A1, May 22, 2008 | ||
| Int. Cl. G11B 5/10 (2006.01); G11B 5/127 (2006.01) | ||
| U.S. Cl. 360—125.06 [360/125.12; 360/125.14] | 17 Claims |
| 1. A perpendicular magnetic recording write head for magnetizing regions in data tracks of a magnetic recording layer comprising:
a main pole;
a write pole connected to the main pole and having a cross-track width at an end facing the recording layer and a wider cross-track
width at a region recessed from the end, the write pole having a throat height from its end to a transition point where its
width transitions to its wider width;
an electrically conductive helical coil wrapped around the main pole for generating magnetic flux in the main pole and its
connected write pole;
a flux conductor connected to the main pole, the flux conductor being in contact with the write pole at its transition point
and along a portion of its throat height and having a cross-track width greater than the cross-track width of the write pole
end;
a trailing shield having an end generally coplanar with the write pole end and spaced from the write pole end in the along-the-track
direction; and
a return pole.
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