Method for Holographic Mastering and Replication
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Sep 15, 2023
filing date -
Aug 8, 2014
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Abstract
A method for producing holograms with a multiplicity of holographic prescriptions from a single master is provided. A multiplicity of holographic substrates each containing a first hologram is stacked on a second holographic recording medium substrate. The first hologram is designed to diffract light from a first direction into a second direction. When expose to illumination from the first direction zero order and diffracted light from each first hologram interfere in the second holographic recording medium substrate forming a second hologram. The second hologram is then copied into a third holographic recording medium substrate to provide the final copy hologram.
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