Optical: systems and elements – Holographic system or element – Authentication
Patent
1993-04-16
1994-09-27
Ben, Loha
Optical: systems and elements
Holographic system or element
Authentication
359 3, 359900, 283 72, 283 85, 283 86, G03H 100, G03H 102, B42D 1500
Patent
active
053511425
ABSTRACT:
A phase hologram is embossed in a mylar web having a tin tungsten oxide reflective layer deposited upon. The embossed microtexture produces a hologram that is semi-transparent, thereby allowing the visualization of indicia underlying the hologram.
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Ben Loha
Crown Roll Leaf Inc.
Jr. John Juba
Selitto, Jr. Ralph W.
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