The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 2018
Filed:
Feb. 24, 2014
Commissariat Á L' Énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
Centre National DE LA Recherche Scientifique, Paris, FR;
Hélène Porthault, Echirolles, FR;
Frédéric Le Cras, Villenave d'Ornon, FR;
Sylvain Franger, Gif sur Yvette, FR;
Abstract
The method for producing a stack of films provided with at least one 3D-structured pattern including providing a first mold having a textured front face including a first 3D pattern, depositing a first layer of the stack on the textured front face so as to cover the first 3D pattern by a continuous layer, the first layer having a first face in contact with the front face of the mold, removing the first mold so as to release the first face of the first layer having a second 3D pattern complementary to the first 3D pattern and depositing a second layer of the stack on the first face of the first layer so as to cover the second 3D pattern by a continuous layer.