LENTE OFTALMICA Y/O SOLAR Y PROCEDIMIENTO DE FABRICACION CORRESPONDIENTE
Ophthalmic and/or solar lens and corresponding manufacturing procedure. Ophthalmic and/or solar lens comprising a substrate of a polymeric material and coated with a hardening layer. In at least one of its surfaces is covered with a metal layer, a metal of the group consisting of cu, ag, al, au, ni,...
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Zusammenfassung: | Ophthalmic and/or solar lens and corresponding manufacturing procedure. Ophthalmic and/or solar lens comprising a substrate of a polymeric material and coated with a hardening layer. In at least one of its surfaces is covered with a metal layer, a metal of the group consisting of cu, ag, al, au, ni, ti, cr, mo, pt, rh, zr and mixtures of the above. The thickness of the metal layer is between 1 and 20 nm and the visible reflection of the lens is less than 10%. The lens has a value of abrasion resistance greater than 5 br, good resistance to aging and square electrical resistivity on the coated surface less than 20 ohm/sgr. The manufacturing process comprises a step of deposition, by physical deposition of vapor with evaporation by electron gun, of the metal layer. (Machine-translation by Google Translate, not legally binding) |
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