HOLOGRAM RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME, HOLOGRAM REPRODUCTION APPARATUS, AND HOLOGRAM REPRODUCTION METHOD
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United States of America Patent
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Issued Date -
Jan 5, 2012
app pub date -
Jun 6, 2011
filing date -
Jun 30, 2010
priority date (Note) -
Abandoned
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Abstract
A hologram recording medium having two or more images recorded therein, wherein when substantially collimated light is incident along a first direction on the hologram recording medium, a first image is reproduced with the intensity of light diffracted in the hologram recording medium maximized in a predetermined direction, when substantially collimated light is incident along a second direction on the hologram recording medium, a second image is reproduced with the intensity of light diffracted in the hologram recording medium maximized in the predetermined direction, and a full width at half maximum of a reproduction angle of at least either of the diffracted light intensities of the first and second images is 8° or smaller.
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