Information storage medium and apparatus adopting the same

Dynamic magnetic information storage or retrieval – Record medium

Reexamination Certificate

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Details

C360S135000, C428S611000, C428S827000

Reexamination Certificate

active

11023468

ABSTRACT:
An information storage medium and an apparatus adopting the information storage medium. The information storage medium includes: a substrate; a lower magnetic layer formed on the substrate; and an upper magnetic layer, the upper magnetic layer includes an alumina layer having cavities formed on the lower magnetic layer and a magnetic material that is formed in the cavities of the alumina layer, which magnetic material contacts the lower magnetic layer.

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patent: 2005/0225900 (2005-10-01), Itoh
patent: 2006/0172116 (2006-08-01), Den et al.
patent: 2006/0204794 (2006-09-01), Kikuchi et al.
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patent: 11-224422 (1999-08-01), None
patent: 2000-215785 (2000-08-01), None
patent: 2002-175621 (2002-06-01), None
patent: WO 2004/084193 (2004-09-01), None

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