Pseudo-reflective read inhibitor for optical storage media

Details Pseudo-reflective read inhibitor for optical storage media Pseudo-reflective read inhibitor for optical storage media

2005-01-04

2005-01-04

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C428S064400, C369S284000

Reexamination Certificate

active

06839316

ABSTRACT:
System and methods are described for inhibiting the readability of an optical media due to changes in a pseudo-reflective material that composes the optical media after the optical media has been exposed to air for a predetermined time. An optical media includes a data encoded component. At least a fraction of the data encoded component transforms from a substantially optically reflective state to a substantially optically non-reflective state as at-least-in-part a function of time from an initializing event. The systems and methods provide advantages because of low cost, limited content lifetime, avoidance of rental returns and minimum changes to existing manufacturing processes.

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patent: 6011772 (2000-01-01), Rollhaus et al.
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