Magnetic audio-recording tape

Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...

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Details

360134, 428150, 428329, 428335, 428336, 428337, 428694, 428900, 428409, G11B 570

Patent

active

043094716

ABSTRACT:
A magnetic audio-recording tapes based on finely-divided ferromagnetic alloy materials are disclosed which have improved surface characteristics. The improvement of recording and playback characteristics is specifically exhibited in a reduction in modulation noise.

REFERENCES:
patent: 4153920 (1979-05-01), Shirahata et al.
patent: 4187343 (1980-02-01), Yamaguchi et al.

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