| 摘要 |
<p>PURPOSE:To provide a fixed cylinder of an information recording/reproducing device, which is formed with metallic mold by a resin, to record/reproduce the information with the use of a tape-like recording medium. CONSTITUTION:On the tape running face 2 of the fixed cylinder 1, where the tape-like recording medium 7 runs, the tape running face 2 confronted with a parting line of the divided face of metallic mold 10 is made to the shape partially cut down (flat part 8).</p> |
