Perishable media information storage mechanism and method of fabrication
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United States of America Patent
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May 8, 2001
Grant Date -
N/A
app pub date -
Jul 28, 1998
filing date -
Jul 28, 1998
priority date (Note) -
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Abstract
A perishable media information storage mechanism, including a substrate, a data layer for recording data thereon the information storage mechanism, a reflective layer, and a protective lacquer coating. The data layer includes a material responsive to at least one predetermined data elimination factor and includes one of a decayable dye material, a liquid crystal material, a photosensitive material or a plurality of magnetoresistive memory cells. The data layer is characterized as recording data and eliminating access to data in response to at least one of a predetermined use or time factor. In addition, included is a method for fabricating a perishable media information storage mechanism including the steps of providing a substrate, forming a data layer on a surface of the substrate, forming a reflective layer on an uppermost surface of the data layer, and forming a protective coating on an uppermost surface of the reflective layer.
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