High capacity digital data storage by transmission of radiant energy through arrays of small diameter holes
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United States of America Patent
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Jan 19, 2010
Grant Date -
Jul 27, 2006
app pub date -
Mar 8, 2006
filing date -
Oct 20, 2000
priority date (Note) -
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Abstract
A method is provided for making the storage media having data stored thereon. In one aspect of the making of storage media, a first layer is formed, where the first layer is substantially transparent to a predetermined first radiant energy used for reading the data. Next, a second layer is formed on the first layer, which is substantially opaque to the first radiant energy. Finally, a pattern is formed that comprises a plurality of holes in the second layer, where each of the holes have a largest dimension which is greater than a wavelength of the first radiant energy, and the data is stored as the presence or absence of a hole in the pattern.
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