Transmission hologram fabrication process
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United States of America Patent
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-
Apr 2, 2002
Grant Date -
Nov 29, 2001
app pub date -
May 25, 2001
filing date -
May 25, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a process capable of fabricating a variety of transmission holograms having a simple structure, a wide visible range and a large area and comprising the first stage of recording the wavefront to be finally reconstructed in the form of the first hologram that is a reflection hologram with a wide visible range, the second stage of using the first hologram to record the second hologram that is a combined reflection and transmission hologram, and the third stage of recording in the third hologram photosensitive material only a transmission hologram for reconstructing only the wavefront recorded in the second hologram and desired to be reconstructed.
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