Improved disk substrate

Details Improved disk substrate Improved disk substrate

G - Physics

11

B

G11B 5/64 (2006.01) G11B 5/73 (2006.01) G11B 5/84 (2006.01)

Patent

CA 2188150

This invention relates to a disk substrate for use in a disk drive, the disk substrate consisting essentially of partially stabilized zirconia and having a surface roughness (Ra) of no more than 10 angstroms.

L'invention concerne un substrat de disque s'utilisant dans une unité de disque, constitué essentiellement de zircone partiellement stabilisée et possédant une rugosité de surface (RA) non supérieure à 10 angstroms.

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