Surface structure and fresnel lens and tool for production of a surface structure
AssigneeFraunhofer-Gesllschaft zur Foerderung der angewandten Forschung e.V.
InventorTHORSTEN HORNUNG
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Abstract
The invention relates to a surface structure and a Fresnel lens which has at least one such surface structure. Furthermore, the invention relates to a tool for production of a surface structure and a method for production of a surface structure or Fresnel lens. Furthermore, the invention relates to the use of a Fresnel lens.
Claims21
A surface structure having at least one facet formed by an active edge and an inactive edge, the active edge having at least two segments of identical or different length, the segments having an identical surface profile at least in regions and the segments being disposed such that at least one segment can be transferred into an adjacent segment at least in regions by rotation about an angle of greater than 0° and less than 10° and a displacement.
Dependencies are inferred from the claim text.