THREE-DIMENSIONAL PRINTING OF OPTICAL DEVICES

The present application discloses a method for three-dimensional deposition printing to manufacture optical elements including ophthalmic devices by controlling the level of oxygen in the polymerization mixture and the printing environment to achieve precision in form and smoothness of surface for i...

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Bibliographische Detailangaben
Hauptverfasser:	GUILLON, Michel Lucien, MARTIN, Wallace Anthony, KINDT-LARSEN, Ture, KUMAR, Ganesh Narayanan
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 INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS 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 TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present application discloses a method for three-dimensional deposition printing to manufacture optical elements including ophthalmic devices by controlling the level of oxygen in the polymerization mixture and the printing environment to achieve precision in form and smoothness of surface for image quality optical performance.