Magnetic memory storage devices

Details Magnetic memory storage devices Magnetic memory storage devices

C - Chemistry, Metallurgy

03

C

261/19, 352/31.3

C03C 3/091 (2006.01) G11B 5/62 (2006.01) G11B 5/73 (2006.01) G11B 5/82 (2006.01)

Patent

CA 2007658

Abstract of the Disclosure The present invention is related to the fabrication of a magnetic memory storage device consisting essentially of a head pad and a rigid information disk, which disk consists essentially of a rigid substrate having a coating of magnetic media on the surface thereof facing the head pad. More particularly, this invention is directed to a substrate for use in the disk. The substrate is selected from two different groups of glass-ceramics: the first group contains a sheet silicate as the predominant crystal phase; and the second group contains a chain silicate as the predominant crystal phase.

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