Method for manufacturing an ophthalmic lens comprising a marking step for producing permanent technical marks on said ophthalmic lens
The invention relates to a method for manufacturing an ophthalmic lens (12), comprising a marking step for producing permanent technical marks (24) on said lens, which comprises a body (29), a first surface (20) and a second surface (28) opposite said first surface (20); the step of additive manufac...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
23.11.2017
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Subjects | |
Online Access | Get full text |
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Abstract | The invention relates to a method for manufacturing an ophthalmic lens (12), comprising a marking step for producing permanent technical marks (24) on said lens, which comprises a body (29), a first surface (20) and a second surface (28) opposite said first surface (20); the step of additive manufacturing (110-112) of said body and said first and second surfaces, by depositing a plurality of first predetermined volume elements of a first material having a first complex index of refraction (35), in order to obtain first and second optical surfaces, respectively, of the first and second surfaces; and the step of additive manufacturing (113) of said marks by depositing, during said deposition of a plurality of said first volume elements of said first material, at least one second predetermined volume element of a second material having a second complex index of refraction (30) other than said first complex index of refraction of said first material. |
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AbstractList | The invention relates to a method for manufacturing an ophthalmic lens (12), comprising a marking step for producing permanent technical marks (24) on said lens, which comprises a body (29), a first surface (20) and a second surface (28) opposite said first surface (20); the step of additive manufacturing (110-112) of said body and said first and second surfaces, by depositing a plurality of first predetermined volume elements of a first material having a first complex index of refraction (35), in order to obtain first and second optical surfaces, respectively, of the first and second surfaces; and the step of additive manufacturing (113) of said marks by depositing, during said deposition of a plurality of said first volume elements of said first material, at least one second predetermined volume element of a second material having a second complex index of refraction (30) other than said first complex index of refraction of said first material. |
Author | Pietri, Cecile Anatole, Vincent |
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Snippet | The invention relates to a method for manufacturing an ophthalmic lens (12), comprising a marking step for producing permanent technical marks (24) on said... |
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SubjectTerms | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 |
Title | Method for manufacturing an ophthalmic lens comprising a marking step for producing permanent technical marks on said ophthalmic lens |
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