Method for Bipolar Trailing Edge Timing-Based Servo Track Recording and Magnetic Tape Made Therewith
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United States of America Patent
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Issued Date -
Jul 15, 2010
app pub date -
Aug 11, 2009
filing date -
Aug 11, 2008
priority date (Note) -
Abandoned
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Abstract
The present disclosure relates to the minimization of servo format transition bit length of magnetic recording media. More particularly, the present disclosure relates to bi-polar and trailing edge recording when formatting the servo track of magnetic recording media. In one embodiment, magnetic media having a timing-based pattern is written using a bi-polar energized recording head. In some embodiments, the magnetic media may be AC or DC erased. The recording head may include a plurality of independent recording channels, each of which may be magnetically energized individually. The bi-polar energized state of the recording head may be controlled to vary the bit length and bit sequence within the timing-based pattern. In further embodiments, the magnetic media may include both uni-polar and bi-polar transitions.
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