Semi-transparent reflective layer for a phase hologram
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United States of America Patent
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Apr 30, 1996
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app pub date -
Oct 26, 1993
filing date -
Apr 16, 1993
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Abstract
A phase hologram is embossed in a mylar web having a reflective layer which is made from tin tungsten oxide, zinc sulfide, or a mixture thereof. The embossed microtexture produces a hologram that is semi-transparent, thereby allowing the visualization of indicia underlying the hologram.
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