Information recording medium and information recording and...

Details Information recording medium and information recording and... Information recording medium and information recording and...

2005-05-24

2005-05-24

Neyzari, Ali (Department: 2655)

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

C369S013530, C428S141000

Reexamination Certificate

active

06898158

ABSTRACT:
An information recording medium including an information recording film made of an exchange-coupled multilayer film capable of magnetically reproducing a recorded information, wherein the exchange-coupled multilayer film has a coercive force which is not substantially changed at a temperature ranging from room temperature to approximately 65° C., the product of 55 Gauss μm or more of a remnant magnetic flux density and a film thickness, and includes at least a transition metal-rich rare earth-transition metal amorphous alloy layer and a rare earth-rich rare earth-transition metal amorphous layer.

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