G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/128 (2006.01)
Patent
CA 2190956
Encapsulated retroreflective element (10) comprising a retroreflective assembly (12) made up of a transparent optical body (14) and a reflective member (16) and essentially completely encapsulated within a dense, substantially transparent oxide coating (18). Also a method for making such retroreflective elements (10) and articles and compositions comprising such retroreflective elements (10).
L'invention concerne un élément rétroréfléchissant encapsulé (10) comprenant un ensemble rétroréfléchissant (12) constitué d'un corps optique transparent (14) et d'un élément réfléchissant (16), ledit ensemble rétroréfléchissant étant encapsulé complètement dans une couche d'oxyde (18) dense et essentiellement transparente. L'invention concerne un procédé de fabrication de tels éléments rétroréfléchissants (10) ainsi que des articles et des compositions comprenant ces éléments rétroréfléchissants (10).
Budd Kenton D.
Morris Geoffrey P.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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