Information recording medium

Dynamic information storage or retrieval – Storage medium structure – Optical track structure

Reexamination Certificate

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Details

C369S275500, C428S064100

Reexamination Certificate

active

07366081

ABSTRACT:
An information recording medium according to the present invention includes a recording layer that is formed of a single layer of a single type of recording material and is directly sandwiched by a pair of resin layers, the information recording medium being constructed so that at least one resin layer out of the pair of resin layers deforms due to deformation of the recording layer that is caused by irradiation with laser light for recording data and a track pitch is in a range of 0.1 μm to 0.5 μm, inclusive, wherein the pair of resin layers are formed with respective Young's moduli in a range of 415 MPa to 7100 MPa, inclusive.

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English Language Abstract of JP 9-138972.
English Language Abstract of JP 58-158036.
English Language Abstract of JP 3-232131.
English Language Abstract of JP 7-307036.
English Language Abstract of JP 2003-48375.

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