Thermomagnetic recording carrier and a method for thermomagnetic

Details Thermomagnetic recording carrier and a method for thermomagnetic Thermomagnetic recording carrier and a method for thermomagnetic

1987-05-15

1989-01-17

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Thermomagnetic recording or transducers

360135, G11B 502

Patent

active

047991143

ABSTRACT:
A new thermomagnetic recording medium is presented. The medium comprises a substrate and a pair of layers, one of which is comprised essentially of Gd-alloys. A layer wherein Gd-alloys is used exchange couples with another layer having higher coercive force, where both layers possess perpendicular anisotropy, and different Curie Points. The medium possesses a high Signal/Noise ratio, and maintains information stored therein for long periods of time.

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