G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/128 (2006.01) G02B 5/124 (2006.01) G02B 5/32 (2006.01)
Patent
CA 2246562
An article is disclosed having both holographic and retroreflective features. The article includes a holographic layer that is perceptible under normal lighting conditions and substantially imperceptible to the unaided eye under retroreflective lighting conditions, a retroreflective layer perceptible under retroreflective lighting conditions, and means for bonding the two layers together.
Cette invention concerne un article possédant des caractéristiques tant holographiques que de rétroréflexion. Cet article comprend une couche holographique qui est perceptible dans des conditions d'éclairage normal, et quasiment imperceptible à l'oeil nu dans des conditions d'éclairage rétroréfléchissant. L'article comprend également une couche rétroréfléchissante qui est perceptible dans des conditions d'éclairage rétroréfléchissant. Cet article comprend enfin un système permettant d'assembler ces deux couches.
Lorimor Lynn E.
Lu Shih-Lai
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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