FIELD: hard disk information storage. SUBSTANCE: device has first and second magnetic heads, which are used for upper and lower surfaces of magnetic disk and which are located upper and lower surfaces of control mechanism. first and second magnetic heads are displaced in radial direction by fixed number of magnetic disk tracks. Heads may be thin-film, composite or integral. Device may be used for ceramic hard disks. EFFECT: decreased interference between heads. 4 cl, 4 dwg
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