VOLUME HOLOGRAM, MANUFACTURING METHOD THEREOF, AND SHIFT METHOD OF WAVELENGTH SPECTRUM OF DIFFRACTED LIGHT
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United States of America Patent
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Issued Date -
Nov 20, 2014
app pub date -
May 7, 2012
filing date -
May 17, 2011
priority date (Note) -
Abandoned
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Abstract
A manufacturing method of the volume hologram includes a step of hologram recording for recording information to a hologram recording layer and a pressing step of the hologram recording layer for pressing at least a portion of the hologram recording layer recorded with the information. In the step of pressing the hologram recording layer, the hologram recording layer recorded with information may change.
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