Information recording disc having an anti-reflection layer...

Dynamic information storage or retrieval – Storage medium structure – Layered

Reexamination Certificate

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C369S286000, C369S275400, C720S719000

Reexamination Certificate

active

07058000

ABSTRACT:
An anti-reflection coating layer is formed on the surface portion of a recording medium. This enables to obtain a margin for the air gap thickness change when recording/reproducing an information signal using the “near-field technique” as well as minimize a data loss caused by a collision. Furthermore, the present invention provides a film configuration which can easily be produced.

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patent: 0 469 623 (1992-02-01), None
patent: 59-231751 (1984-12-01), None

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