Chromogenic film having a diffraction pattern similar to an opal

Details Chromogenic film having a diffraction pattern similar to an opal Chromogenic film having a diffraction pattern similar to an opal

1996-02-28

1998-11-17

Epstein, Henry F.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

359558, 428 29, B44F 904

Patent

active

058373330

ABSTRACT:
The present invention provides a high-luminance opal-like diffraction chromogenic film having no dead angle, which comprises a hexagonally close-packed grating monolayer film of micron-order particulates.

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Nagayama et al., Langmuir 1993, vol. 9, pp. 3695-3701, "Colored Multilayers from Transparent Submicrometer Spheres".
Ivars Peterson, Science News, Nov. 4, 1995, vol. 148, No. 19, pp. 296 & 297, "Butterfly Blue".

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