| 摘要 |
To provide a switchable type servo writer capable of writing a servo signal on different kinds of magnetic tapes, to thereby achieve improvement in productivity and reduction of cost. In running servo writer 10, pluralities of head blocks 1 that contain a writing head corresponding to the different kinds of magnetic tapes MT are placed on turret 2, and change of the head blocks 1 is enabled by rotation of the turret 2.
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