Unbalanced data writer coil

摘要

A data writer may be configured with at least a write pole and a continuous coil with the continuous coil having a first turn with a first cross-sectional shape and a second turn with a second cross-sectional shape that differs from the first cross-sectional shape. The second turn may be positioned proximal a leading edge of the write pole and an air bearing surface while the first turn is positioned distal the air bearing surface.

主权项

1. An apparatus comprising a write pole extending from an air bearing surface (ABS), a continuous coil has a first turn positioned proximal a write pole tip and a second turn positioned distal the ABS and write pole tip, the first and second turns each having a short axis and a long axis, the first turn oriented with a first short axis parallel to the ABS and the second turn oriented with a second short axis perpendicular to the ABS the first turn having an end surface facing the ABS and spaced from the ABS a distance such as to be aligned with an end of a tapered surface of the write pole tip, the tapered surface oriented at a non-normal angle with respect to the ABS.