Microsphere articles and transfer articles
Assignee3M Innovative Properties Company
InventorsVivek Krishnan, John C. Clark, Thomas B. Galush, Jean A. Tangeman
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Assignee3M Innovative Properties Company
InventorsVivek Krishnan, John C. Clark, Thomas B. Galush, Jean A. Tangeman
Estimating the term…
There is provided an article comprising at least a first surface having: (a) a first binder layer; (b) a plurality of transparent microspheres partially embedded in the first binder layer wherein the transparent microspheres have refractive indices that are less than a refractive index of the first binder layer and wherein the plurality of transparent microspheres consist of microspheres having a refractive index of no more than 1.490. There is also provided a transfer article comprising: (a) a transfer carrier, the transfer carrier comprising: (i) a support layer; and (ii) a thermoplastic release layer bonded to the support layer; (b) a layer of a plurality of transparent microspheres, formed on a side of the thermoplastic transparent microsphere release layer opposite the support layer, wherein the plurality of transparent microspheres consist of microspheres having a refractive index of no more than 1.490.
An article comprising at least a first surface having:
Dependencies are inferred from the claim text.