| 摘要 |
Disclosed is a low-cost servo writer with a simple adjusting mechanism, which can record/reproduce servo signals on or from magnetic tapes precisely, and which makes it possible to shorten the adjusting and maintenance time and to minimize the uneven wear of its heads, thereby decreasing the level of contaminant of the heads. The servo writer includes (a) a head for recording/reproducing servo signals on or from a running tape, (b) a base, (c) a support arm having two ends, one of the ends being supported by the base, the other being a free end where the head is placed, wherein a position of the head relative to the tape is adjustable, and (d) tape guides for maintaining a constant lap angle, the tape guides being arranged on the free end of the support arm, wherein the lap angle is an angle which the head forms with the running tape.
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