Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate
2009-10-15
2011-11-22
Lamb, Christopher (Department: 2627)
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
Reexamination Certificate
active
08064313
ABSTRACT:
Then, in order to achieve the above-described object, in the optical disk of the present invention, while micro-hologram layers7and8made of plural layers are provided in an inner portion of a plate body2along a thickness direction of the plate body2, dimensions of micro-holograms4along the thickness direction of the plate body2, which configure the micro-hologram layer7formed on the side of one surface of the plate body2within the micro-hologram layers7and8constructed of the plural layers, are made smaller than dimensions of micro-holograms3along the thickness direction of the plate body2, which configure a micro-hologram layer8formed on the side of an inner layer of the plate body2.
REFERENCES:
patent: 7388695 (2008-06-01), Lawrence et al.
patent: 2006/0280095 (2006-12-01), Tsukagoshi et al.
patent: 2008/0267039 (2008-10-01), Horinouchi et al.
Horinouchi Syougo
Horio Hideaki
Inoue Shohei
Mori Taiichi
Dickinson Wright PLLC
Lamb Christopher
Panasonic Corporation
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