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Wear-resistant magnetic head using amorphous alloy material

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3 Author(s)
Kohmoto, O. ; TDK Corp., Ichikawa ; Ohya, K. ; Ojima, T.

An audio recording/playback head using an amorphous (Fe-Co-Ru-Cr) 75(Si-B)25 alloy was developed. Compared with a commercial Sendust head, three excellent features were observed. The wear of the amorphous alloy head when used with γ-Fe2O 3 is two-thirds that of the Sendust head. The output level at high-frequency (14 kHz) is 5 dB higher than that of the Sendust head. The bias current for the amorphous alloy head is half that of the Sendust head

Published in:

Magnetics, IEEE Transactions on  (Volume:25 ,  Issue: 6 )

Date of Publication:

Nov 1989

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