Rodime Plc

Kishore K Kapoor

Colin A Mackenzie

Brian D Chalmers

A very high capacity, closed-loop Winchester disk drive system particularly suited to meet the demands of a portable computer system is disclosed. The micro-Winchester disk is a Winchester disk of 95 mm in diameter. The disk drive system of the present invention, by virtue of its small size and vibration isolation, is ideally suited for use in portable computer systems. The micro-Winchester disk drive system was developed to store data at a density in excess of 1000 tracks per inch utilizing a closed-loop rotary voice coil positioning mechanism. This disk drive system provides fast access data storage for use with small business computers, terminals and microprocessor-based systems, portable or otherwise, and many other areas where compact, rugged, and lightweight hard disk storage is required. The disk drive system of the present invention normally utilizes between two and four hard disks, such as Winchester disks, with one disk containing a dedicated servo surface. The drive system provides data storage of between about 21 and 50 Megabytes, once the disks are formatted.

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Fife, United Kingdom

Kishore K Kapoor