Reflecting mirror and optical pickup

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium

Reexamination Certificate

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Reexamination Certificate

active

07889623

ABSTRACT:
A reflecting mirror with a reflective multi-layer coating capable reflecting light beams of discrete wavelengths, e.g., laser beams in the wave ranges of CD, DVD and mass storage optical discs, free of the problem of light absorption.

REFERENCES:
patent: 6525296 (2003-02-01), Matsushima et al.
patent: 2003/0058529 (2003-03-01), Goldstein
patent: 2003/0228530 (2003-12-01), Yan et al.
patent: 2004/0061937 (2004-04-01), Masubuchi et al.
patent: 2005/0157384 (2005-07-01), Shiraishi et al.
patent: 2005/0157627 (2005-07-01), Kanazawa et al.
patent: 2006/0291238 (2006-12-01), Epstein et al.
patent: 03-012605 (1991-01-01), None

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