Skewed shingled magnetic recording data reader
AssigneeSeagate Technology LLC
InventorsXiong Liu, Lihong Zhang
Life of this patent
Estimating the term…
Abstract
A data storage device may be configured with at least a transducing head separated from a data storage medium. The transducing head can have a data reader and data writer. A plurality of data bits may be arranged in first and second shingled data tracks on the data storage medium. The data writer can be configured with a writer centerline aligned with a track centerline of the first shingled data track and a data reader having a reader centerline skewed with respect to the track and writer centerlines.
Claims20
An apparatus comprising:
- a plurality of data bits arranged in first and second shingled data tracks on a data storage medium;
- a data writer having a writer centerline aligned parallel with a track centerline of the first shingled data track, the writer centerline bisecting the data writer and extending through a symmetric center of the data writer;
- and
- a data reader having a reader centerline concurrently skewed in a non-parallel configuration with respect to the track and writer centerlines, the reader centerline bisecting the data reader and extending through a symmetric center of the data reader.
An apparatus comprising a transducing head separated from a data storage medium, the transducing head comprising a data writer and a first data reader, the data storage medium comprising a plurality of data bits arranged in first and second shingled data tracks, the data writer having a writer centerline aligned parallel with a track centerline of the first shingled data track, the writer centerline bisecting the data writer, oriented perpendicular to a longitudinal axis of the data writer, and extending through a symmetric center of the data writer, the first data reader having a first reader centerline concurrently skewed in a non-parallel configuration with respect to the track and writer centerlines, the reader centerline bisecting the first data reader, oriented perpendicular to a longitudinal axis of the data reader, and extending through a symmetric center of the first data reader.
A method comprising:
- positioning a transducing head separated from a data storage medium, the transducing head comprising a data writer and a data reader, the data storage medium comprising a plurality of data bits arranged in first and second shingled data tracks;
- aligning a writer centerline of the data writer parallel with a track centerline of the first shingled data track, the writer centerline bisecting the data writer and extending through a symmetric center of the data writer;
- and
- orienting a reader centerline of the data reader to a first skewed angle that is concurrently non-parallel with respect to the track and writer centerlines, the reader centerline bisecting the data reader along a transverse axis and extending through a symmetric center of data writer;
- and
- altering the first skewed angle to a second skewed angle with respect to the track centerline in response to actuation of a heater mechanism.
Dependencies are inferred from the claim text.