Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate
2007-07-17
2007-07-17
Young, Wayne (Department: 2627)
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
C430S270130
Reexamination Certificate
active
10641097
ABSTRACT:
An optical information recording medium includes a recording layer for recording optical information, a plurality of laminated layers, and a substrate for supporting those layers, while a beam of a specific wavelength is being radiated, a light absorption peak is shifted to a longer or a shorter wavelength side than the peak located before said beam radiation, realizing a high S/N ratio and a high recording density of the medium.
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Naitou Takashi
Yamamoto Hiroki
Chow Lixi
Crowell & Moring LLP
Hitachi , Ltd.
Young Wayne
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