Magnetic tape medium servo pattern writing method using single coil multi-gap write head
摘要:
A method for writing a servo pattern to a magnetic tape medium includes orienting a magnetic flux in opposite directions across gaps in the magnetic tape medium, and moving the magnetic tape medium with its servo band above two gaps in a direction along a longitudinal extension of the magnetic tape medium. The magnetic tape medium includes a servo band along the longitudinal extension of the magnetic tape medium and a servo pattern organized in a servo frame with a first burst having at least two servo stripes, and a second burst having at least two servo stripes. For at least one of the first and second bursts, different stripes within a same burst have opposite magnetic polarities with respect to one another. The method further includes applying a current pulse to the coil, moving the magnetic tape medium, and applying another current pulse to the coil.
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