Dynamic information storage or retrieval – Storage or retrieval by simultaneous application of diverse... – Magnetic field and light beam
Reexamination Certificate
2005-08-23
2005-08-23
Psitos, A M (Department: 2653)
Dynamic information storage or retrieval
Storage or retrieval by simultaneous application of diverse...
Magnetic field and light beam
C369S283000, C369S286000, C428S064100
Reexamination Certificate
active
06934224
ABSTRACT:
An optical recording medium and an optical recording and reproduction device including the same, wherein the optical recording medium comprises a substrate, a reflective layer formed on the substrate, a recording layer formed on the reflective layer, a first protective layer formed on the recording layer and a transparent heat radiating layer formed on the first protective layer for promoting dispersion of heat from the recording layer, and light is focused on the recording layer from an optical system via a side at which the first protective layer is formed to prevent heat buildup, erasure of recorded signals and damage to the optical recording medium.
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Ichimura Isao
Kishima Koichiro
Kuroda Yuji
Osato Kiyoshi
Psitos A M
Sony Corporation
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