Limited play data storage media and method for limiting...

Details Limited play data storage media and method for limiting... Limited play data storage media and method for limiting...

2005-03-15

2005-03-15

Mulvaney, Elizabeth (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064800, C428S412000, C430S270120

Reexamination Certificate

active

06866909

ABSTRACT:
A limited play optical storage medium for data is provided in the present invention. The limited play optical storage medium for data comprises a first substrate; a reflective layer; a data layer disposed between said substrate and said reflective layer; a reactive layer comprising at least one carrier; and at least one reactive material; and an optically transparent second substrate with an oxygen permeability in a range between about 0.01 Barrers and about 1.35 Barrers at 25° C. wherein the second substrate is between the reactive layer and a laser incident surface.

REFERENCES:
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patent: 6343063 (2002-01-01), Rollhaus et al.
patent: 20030002431 (2003-01-01), Breitung et al.
patent: 385341 (1990-09-01), None
patent: 59124891 (1984-07-01), None
patent: 2018728 (1990-01-01), None
patent: 02037539 (1990-02-01), None
patent: WO0193257 (2001-12-01), None

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