Optical recording medium and optical recording method

Details Optical recording medium and optical recording method Optical recording medium and optical recording method

2006-05-02

2006-05-02

Mulvaney, Elizabeth (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064400, C430S270120

Reexamination Certificate

active

07037565

ABSTRACT:
An optical recording medium records information so that a recording density of a first recording layer11at the most distant part from a incidence plane of laser beam is higher than that of a second recording layer13at the incidence plane side.

REFERENCES:
patent: 6700862 (2004-03-01), Tsukuda et al.
patent: 6773781 (2004-08-01), Ohsawa et al.
patent: 2002/0176971 (2002-11-01), Ohsawa et al.
patent: 2004/0095876 (2004-05-01), Abe

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