APPARATUS AND METHOD OF MULTI-BIT AND GRAY-SCALE HIGH DENSITY DATA STORAGE
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Apr 15, 2015
filing date -
Apr 18, 2014
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Abstract
A data storage apparatus and method of storing data are disclosed. An array of irradiation sources are provided for writing on an optically stimulated luminescence (OSL) material. The OSL material includes data storage pixels or spots. Each pixel or spot includes gray-scale levels with higher order bits and variable intensity. A light source stimulates luminescence on the OSL material.
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