Method for obtaining a lens apt to trimming
The invention concerns a method for treating an ophthalmic lens comprising two main sides and having at least one side comprising an organic or mineral external layer coated with a MgF 2 temporary protective layer, wherein treating comprises depositing the MgF 2 temporary protective layer on the ext...
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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
12.08.2009
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Subjects | |
Online Access | Get full text |
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Abstract | The invention concerns a method for treating an ophthalmic lens comprising two main sides and having at least one side comprising an organic or mineral external layer coated with a MgF 2 temporary protective layer, wherein treating comprises depositing the MgF 2 temporary protective layer on the external layer through vacuum evaporation at low speed, i.e. a speed lower than 0.5 nm/s. The invention also relates to an ophthalmic lens comprising a hydrophobic and/or oilophobic coating layer, which has been rendered apt to trimming by the deposition of a MgF 2 temporary protective layer on said hydrophobic and/or oilophobic coating layer using the above method. |
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AbstractList | The invention concerns a method for treating an ophthalmic lens comprising two main sides and having at least one side comprising an organic or mineral external layer coated with a MgF 2 temporary protective layer, wherein treating comprises depositing the MgF 2 temporary protective layer on the external layer through vacuum evaporation at low speed, i.e. a speed lower than 0.5 nm/s. The invention also relates to an ophthalmic lens comprising a hydrophobic and/or oilophobic coating layer, which has been rendered apt to trimming by the deposition of a MgF 2 temporary protective layer on said hydrophobic and/or oilophobic coating layer using the above method. |
Author | CONTE, DOMINIQUE LACAN, PASCALE |
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Discipline | Medicine Chemistry Sciences |
DocumentTitleAlternate | Verfahren zur Herstellung einer für weitere Bearbeitung geeigneten Linse Procédé pour l'obtention d'une lentille convenant à la finition |
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Notes | Application Number: EP20090161291 |
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Snippet | The invention concerns a method for treating an ophthalmic lens comprising two main sides and having at least one side comprising an organic or mineral... |
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SubjectTerms | CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS |
Title | Method for obtaining a lens apt to trimming |
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