Disk apparatus and manufacturing method thereof

Details Disk apparatus and manufacturing method thereof Disk apparatus and manufacturing method thereof

G - Physics

11

B

G11B 5/10 (2006.01) G11B 5/55 (2006.01)

Patent

CA 2047356

JA9-90-008 DISK APPARATUS AND MANUFACTURING METHOD THEREOF ABSTRACT Particulate contamination on a disk or a head can be prevented by locating a magnet of a voice coil motor (VCM) in the outside of an enclosure in which the disk and the head are contained. If the magnet is located in the enclosure, the magnet attracts particles in the air and then the particulate contamination on the disk or the head may occur. In accordance with the invention, an aperture is provided on the enclosure in which the disk, the head and a coil of the VCM for moving the head with respect to the disk are contained. The position of the aperture corresponds to the position of the coil contained in the aperture. A non magnetic sheet such as a Polyester sheet is provided on the enclosure for covering the aperture. The magnet is positioned in the outside of the enclosure so that the magnet is confronted with the non-magnetic sheet.

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