Method of locating and inspecting dropouts on a magnetic disc

Details Method of locating and inspecting dropouts on a magnetic disc Method of locating and inspecting dropouts on a magnetic disc

1989-04-05

1990-01-23

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

324212, G11B 2736

Patent

active

048962279

ABSTRACT:
A method of determining the angular and radial location of defects causing dropouts on a magnetic disc, and using this information to position individual dropouts in the field of view of a microscope.

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1266 Hewlett-Packard Journal, vol. 36, No. 11, Nov. 1985.
IEEE Transactions on Magnetics, vol. Mag-18, No. 6, pp. 1092-1094, New York, U.S.; T. D. Lee et al.: "Analysis of Dropouts in Video Tapes".
IEEE Transactions on Magnetics, vol. Mag-19, No. 5, pp. 1656, 1657, New York, U.S.; D. M. Perry et al.: "Measurement of Surface Topography of Magnetic Recording Materials".

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