Method and apparatus for evaluating durability of magnetic disk

Stock material or miscellaneous articles – Magnetic feature

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427127, B41M 312

Patent

active

059939826

ABSTRACT:
A method of evaluating a durability of a magnetic disk includes the steps of (a) obtaining conditions under which a sliding contact state of a first head with respect to a surface of a first magnetic disk stabilizes, and (b) causing a second head to make sliding contact with a surface of a second magnetic disk under the conditions and evaluating a durability of the second magnetic disk.

REFERENCES:
patent: 4721646 (1988-01-01), Ikeda et al.
patent: 5212657 (1993-05-01), Uchikawa et al.

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