Article and method of manufacture thereof
Assignee3M Innovative Properties Company
InventorsJeffrey L. Solomon, Gary E. Gaides
Life of this patent
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Abstract
An article includes a first microstructured layer and a second microstructured layer. The first microstructured layer includes a plurality of first microstructures forming a plurality of first grooves therebetween. The second microstructured layer includes a plurality of second microstructures disposed adjacent to the plurality of first microstructures. The plurality of second microstructures forms a plurality of second grooves therebetween. The article further includes a light absorbing material disposed in at least each of the plurality of first grooves and each of the plurality of second grooves. The light absorbing material bonds the first microstructured layer to the second microstructured layer.
Claims13
An article comprising:
- a first microstructured layer comprising a plurality of first microstructures forming a plurality of first grooves therebetween;
- a second microstructured layer comprising a plurality of second microstructures disposed adjacent to the plurality of first microstructures, the plurality of second microstructures forming a plurality of second grooves therebetween;
- and
- a light absorbing material disposed in at least each of the plurality of first grooves and each of the plurality of second grooves, wherein the light absorbing material bonds the first microstructured layer to the second microstructured layer, and wherein no additional adhesive material is disposed between the first microstructured layer and the second microstructured layer.
A method of manufacturing an article, the method comprising:
- providing a first microstructured layer, wherein the first microstructured layer comprises a plurality of first microstructures forming a plurality of first grooves therebetween;
- providing a second microstructured layer, wherein the second microstructured layer comprises a plurality of second microstructures forming a plurality of second grooves therebetween;
- and
- filling at least the plurality of first grooves and the plurality of second grooves with a light absorbing material and bonding the first microstructured layer to the second microstructured layer with the light absorbing material.
Dependencies are inferred from the claim text.