ISO 7298:1985
Information processing — Magnetic disk for data storage devices — 158 000 flux transitions per track, 210 mm (8.3 in) outer diameter, 100 mm (3.9 in) inner diameter
Lays down the mechanical, physical and magnetic characteristics for a lubricated magnetic disk of 210 mm (8.3 in) outer diameter and 100 mm (3.9) inner diameter intended for data storage devices. Defines requirements for a disk to enable satisfactory performance at 158 368 flux transitions per track. Other densities may necessitate modified characteristics.
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