METHOD FOR MANUFACTURING AN OPTICAL LENS BY ADDITIVE MANUFACTURING AND CORRESPONDING INTERMEDIATE OPTICAL ELEMENT

A method for manufacturing an optical lens by additive manufacturing, includes steps of: depositing a first layer having a first thickness; -depositing a second layer, having a second thickness, onto the first layer, the second layer forming a first asperity with the first layer; depositing a third...

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Bibliographische Detailangaben
1. Verfasser:	GOURRAUD, Alexandre
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONTACT LENSES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES OPTICS PERFORMING OPERATIONS PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method for manufacturing an optical lens by additive manufacturing, includes steps of: depositing a first layer having a first thickness; -depositing a second layer, having a second thickness, onto the first layer, the second layer forming a first asperity with the first layer; depositing a third layer having a third thickness; depositing a fourth layer having a fourth thickness onto the third layer, thereby forming an intermediate optical element, the fourth layer forming a second asperity with the third layer; and smoothing the first asperity and the second asperity on the intermediate optical element, thereby forming the optical lens. The second thickness and the fourth thickness are different. A corresponding intermediate optical element is also described.