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Home › Magnetic disk device and method of manufacturing same having convex recordings regions, concave guard bands, and impressed concavities and convexities representing control signals

Magnetic disk device and method of manufacturing same having convex recordings regions, concave guard bands, and impressed concavities and convexities representing control signals

US Patent 5907448 · Granted May 25, 1999

Estimated economic value: $638,000 ⓘ

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