G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/124 (2006.01)
Patent
CA 2173148
A retroreflective cube corner article (141) which is a replica of a directly machined substrate comprises a plulality of single cube corner clements which are machined in the substrate. Each cube corner element is bounded by at least one groove from each of three sets of parallel grooves (130, 106. 108) in the substrate so that the article comprises a plurality of different geometric structures.
Article (141) à coins cubiques rétroréfléchissants se présentant sous forme d'une réplique d'un substrat directement usiné, cet article comprenant une pluralité d'éléments individuels à coins cubiques qui sont usinés dans le substrat. Chaque élément à coins cubiques est fixé par au moins une rainure appartenant à chacun des troisgroupes de rainures parallèles (130, 106, 108) formés dans le substrat de sorte que ledit article comprenne une pluralité de structures géométriques différentes.
Benson Gerald M.
Smith Kenneth L.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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