Perpendicular magnetic recording heads with write pole shaped to reduce skew effects during writing
AssigneeSeagate Technology LLC
InventorsAlexander M. Shukh, Frank Edgar Stageberg, Edward Stephens Murdock, Sharat Batra
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Abstract
A writer for perpendicular recording on bilayer media with suppressed skew angle effect on the width of the recorded track is disclosed. The writer has a wide and flat trailing edge and a narrow leading edge. In a preferred embodiment, the pole has a trapezoidal cross-section. To suppress the skew effect on the width of the recorded track, the slope angle of the pole sides may be greater than the maximum skew angle in a drive.
Claims20
A perpendicular magnetic recording head comprising:
- a write pole;
- and
- means for reducing a skew effect during writing of a magnetic recording medium by the write pole.
A write pole of a perpendicular magnetic recording head, the write pole comprising a leading edge and a trailing edge, wherein the trailing edge is wider than the leading edge.
A perpendicular magnetic recording head comprising:
- a opposing pole;
- and
- a write pole, wherein the write pole comprises a leading edge and a trailing edge, and the trailing edge is wider than the leading edge.
Dependencies are inferred from the claim text.