Holograms embossed into metal surfaces
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United States of America Patent
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-
Feb 16, 1988
Grant Date -
N/A
app pub date -
Jul 29, 1986
filing date -
Jul 29, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for embossing diffraction patterns and holograms directly onto surfaces of metal material, such as aluminum, and products made thereby. Temperature ranges for optimizing the embossing are disclosed, being related to the yield strength of the material being embossed. End products include household aluminum foil with embossed holograms, and aluminum beverage cans with an embossed hologram on its outside.
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