| 摘要 |
A disk for use in cleaning a magnetic head of disk drive comprises an inner ring of memory and an outer ring made of a tough and yet gentle material for use in removing impurities from the surface of the magnetic head. The disk is capable of doing an automatic inspection of the status of the cleaning process in accordance with a control program, and of sending out an instruction to trigger an automatic interruption of the cleaning process at such time when the job of cleaning the magnetic head is completed.
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