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A 2.5-mm-thick head disk assembly (HDA) was made for a capacity of 10 GB using 1-inch single-side perpendicular magnetic recording. Two types of chassis were prepared for investigating capability. All devices were assembled within 2.5 mm thickness on a sufficiently thick base for a block-type HDA, and devices were also assembled on 2.5-mm-thick pressed chassis for a card-type HDA. A 2.4-mm-thick fluid...
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