| 摘要 |
When loading an upper head, it is brought into contact with a disc, with a lower head being in contact with the disc. In this process, the entire surface of the upper head which slides on the disc and in which gaps are provided is brought into contact with the disc at a position off the data zone. Further, the upper head is provided with a supported member, and a support member supporting the supported member, whereby the upper head is supported before coming into contact with the disc, and the upper head is gradually brought close to the disc to effect contact.
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