SECURITY DEVICE AND METHOD OF MANUFACTURE THEREOF
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United States of America Patent
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Issued Date -
Jun 15, 2017
app pub date -
Jul 28, 2015
filing date -
Jul 30, 2014
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Abstract
A security device including a transparent substrate having opposing first and second surfaces; a first focusing element array disposed on the first surface of the transparent substrate; a second focusing element array disposed on the second surface of the transparent substrate; a first image array disposed on or in the transparent substrate in a first image array plane and configured to co-operate with the first focusing element array to exhibit an optically variable effect when viewed from a first side of the security device; and a second image array disposed on or in the transparent substrate in a second image array plane configured to co-operate with the second focusing element array to exhibit an optically variable effect when viewed from a second side of the security device. At least the first image array is configured to exhibit a first static macroimage when viewed from the second side of the device.
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