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    • 5. 发明申请
    • REUSABLE LENS MOLDS AND METHODS OF USE THEREOF
    • 可重复使用的镜头及其使用方法
    • US20160176134A1
    • 2016-06-23
    • US14970827
    • 2015-12-16
    • Novartis AG
    • Alice Weimin LiuBurkhard Dietrich
    • B29D11/00B29C33/38
    • B29D11/00519B29C33/38B29D11/00038B29D11/00125B29D11/005B29K2909/08B29K2995/0027B29K2995/005
    • The present invention general related to a method and a reusable mold for making a contact lens, comprising a first mold half having a first mold surface in contact with a silicone containing lens forming composition and a second mold half having a second mold surface in contact with the lens forming composition. The first mold half and the second mold half are configured to receive each other such that a cavity is formed between the first mold surface and the second mold surface, wherein the cavity defines the shape of a contact lens to be molded. The lens forming composition is polymerizable and/or crosslinkable by a UV radiation, wherein at least one of the mold halves is made from an oxide glass material having a UV transmission cut-off wavelength no less than 390 nm and a specific gravity higher than 3.5.
    • 本发明一般涉及一种用于制造隐形眼镜的方法和可重复使用的模具,包括具有与含硅氧烷的透镜形成组合物接触的第一模具表面的第一模具半部和具有与第二模具表面接触的第二模具半部 透镜成型组合物。 第一半模和第二半模构造成彼此接合,使得在第一模具表面和第二模具表面之间形成空腔,其中空腔限定待模制的隐形眼镜的形状。 透镜成型组合物通过UV辐射可聚合和/或可交联,其中至少一个半模由具有不小于390nm的UV透射截止波长和比重高于3.5的氧化物玻璃材料制成 。