G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/30 (2006.01) G01N 21/05 (2006.01) G02B 6/122 (2006.01) G02B 6/36 (2006.01) G02B 6/42 (2006.01)
Patent
CA 2344455
Microstructured body with a substrate (10) and at least one hardened coating which is provided on said substrate and which is microstructured and is precisely positioned relative to the surface of the substrate (10) is characterized in that the substrate (10) is provided with adjusting means (16, 18) for a microstructured cover (30) which can be placed on the substrate (10), said means are accessible from the exterior once the coating has hardened. A method for producing such a microstructured body comprises the following steps: first, a substrate (10) with adjusting means (16, 18) is produced. The surface of the substrate is then coated at least in some areas with a liquid material (20). Afterwards, a cover (30) having a microstructured surface is placed on the substrate (10). The cover (30) is provided with positioning means (34, 36), which are complementary to the adjusting means (16, 18) so that the cover (30) is arranged in a precisely defined position on the substrate (10). The cover is also provided with microstructures which serve to microstructure the coating. The cover (30) is then mechanically pressed onto the substrate (10), whereby at least part of the microstructured surface of the cover (30) is shaped into the coating. The applied material (20) is then hardened and lastly, the cover (30) is removed from the substrate (10).
L'invention concerne un corps microstructuré comprenant un substrat (10) et au moins un revêtement qui est appliqué sur le substrat, durci, microstructuré et positionné avec précision par rapport à la surface du substrat (10). L'invention est caractérisée en ce que le substrat (10) est pourvu de formations d'ajustage (16, 18) destinées à un couvercle microstructuré (30) pouvant être posé sur le substrat (10). Après durcissement du revêtement, le couvercle est accessible de l'extérieur. Un procédé de production d'un tel corps microstructuré consiste tout d'abord à produire un substrat (10) qui présente des formations d'ajustage (16, 18), puis à recouvrir la surface du substrat (10) au moins partiellement d'une matière liquide (20). Ensuite, on pose sur le substrat (10) un couvercle (30) doté d'une surface microstructurée. Le couvercle (30) est pourvu de formations de positionnement (34, 36) qui sont complémentaires des formations d'ajustage (16, 18), ce qui permet de poser de façon exacte le couvercle sur le substrat (10). Le couvercle (30) est également pourvu de formations microstructurées à l'aide desquelles le revêtement est microstructuré. Ensuite, le couvercle (30) est mécaniquement pressé sur le substrat (10), la surface microstructurée du couvercle (30) étant au moins partiellement moulée dans le revêtement. Enfin, la matière appliquée (20) est durcie et le couvercle (30) est retiré du substrat (10).-
Fetherstonhaugh & Co.
Harting Elektro-Optische Bauteile Gmbh & Co. Kg
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