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Magnetic disk for data storage devices, 83 000 flux transitions per track, 130 mm outer diameter, 40 mm inner diameter

1st edition, September 1982

This Standard ECMA-77 specifies the mechanical, physical and magnetic properties of a lubricated magnetic disk of 130 mm outer diameter and 40 mm inner diameter, intended for mounting in data storage devices.

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Technical CommitteeTC16 (this TC is no longer active)