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Recording on perpendicular anisotropy media with ring heads

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2 Author(s)
Langland, B. ; IBM Research Laboratory, San Jose, California ; Albert, P.A.

This paper reports experimental studies directed at the application of ring head structures to a perpendicular recording system. The media tested were sputter deposited films of CoCrTa alloys. Ferrite heads were studied, but the thin film head was chosen for evaluating roll-off, overwrite, and superposition. The data presented in the paper demonstrates the potential of high density recording with a single layer medium with perpendicular magnetic anistropy and a thin film head separated by 0.20 micrometers.

Published in:

Magnetics, IEEE Transactions on  (Volume:17 ,  Issue: 6 )

Date of Publication:

Nov 1981

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