G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 33/02 (2006.01) G11B 5/55 (2006.01) G11B 19/20 (2006.01) G11B 25/04 (2006.01) G11B 33/08 (2006.01) G11B 33/12 (2006.01) G11B 33/14 (2006.01)
Patent
CA 2109370
MAGNETIC DISK DRIVE UNIT Background of the Invention: This invention relates to the field of magnetic disc memory units. More particularly, this invention relates to a ruggedized magnetic disc memory unit suitable for use in hostile or severe environments and capable of withstanding loads or stresses, such as shock, vibration, and temperature extremes and which is capable of operation at any attitude. The unit of the present invention is particularly suitable for use in military applications, but it may also find use in other demanding environments, such as, for example, oil and gas well drilling and seismic exploration. Both magnetic tape recorder units and magnetic disc memory units have been known in the art for many years. Tape units suitable for use in demanding applications are available, but a need exists for an improved disc unit. Examples of such prior art disk units are disclosed in U.S. Patent Nos. 4,791,508; 4,870,703 and 4,965,686 all of which are assigned to the assignee hereof and are expressly incorporated herein by reference.
Gibas Russell A.
Solari Peter L.
Raymond Engineering Inc.
Swabey Ogilvy Renault
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