Retroreflector with controlled divergence made by the method...

Details Retroreflector with controlled divergence made by the method... Retroreflector with controlled divergence made by the method...

G - Physics

02

B

G02B 5/122 (2006.01) G02B 5/124 (2006.01)

Patent

CA 2509055

A cube corner array with minute modifications of the dihedral angles of some of the cube corners is produced by introducing a stress or change via the opposite side of the substrate. The array having aberrated elements can be replicated for use in the manufacture of a tool, and the tool can be used in the manufacture of retroreflective products of broader divergence.

L'invention concerne un réseau à coins en forme de cube présentant des modifications des angles dièdres de certains coins du cube par introduction d'une tension ou d'un changement par le côté opposé du substrat. Le réseau avec des éléments présentant des anomalies peut être reproduit pour être utilisé dans la fabrication d'un outil, et l'outil peut être utilisé dans la fabrication de produits rétroréfléchissants de plus grande divergence.

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