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Injection mold for forming free-form surface optical element, free-form surface optical element and free-form surface mirror formed by employing the injection mold
Injection mold for forming free-form surface optical element, free-form surface optical element and free-form surface mirror formed by employing the injection mold
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机译：用于形成自由形表面光学元件的注射模，通过使用该注射模形成的自由形表面光学元件和自由形表面镜
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摘要
The present invention provides an injection mold for forming free-form surface optical element that is possible to produce with high accuracy at low cost a free-form surface optical element that has a stable relation between the free-form surface and the mounting reference surface and is easy to adjust when mounting. The mold comprises a fixed mold and a movable mold for forming a free-form surface (effective area 21) and a rear surface opposite to the free-form surface. The fixed mold and the movable mold are divided by a parting line PL along the peripheral end surface of the free-form surface optical element 14. A mold surface for molding the free-form surface (effective area 21) and a mold surface for molding axial-direction mounting reference surfaces 28a-28c for mounting the free-form surface optical element in a direction substantially perpendicular to the free-form surface are positioned in the mold on the same side with respect to the parting line PL.
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机译：本发明提供了一种用于形成自由曲面光学元件的注射模，其能够以低成本高精度地生产在自由曲面和安装基准面之间具有稳定关系的自由曲面光学元件，并且该自由曲面光学元件能够以较低的成本制造。安装时易于调节。模具包括固定模具和可移动模具，用于形成自由形状的表面（有效面积 21 ）和与自由形状的表面相对的后表面。固定模和可动模通过分模线PL沿着自由形状的表面光学元件 14的外周端面分开。 用于模制自由形状表面的模具表面（有效区域 21 ）和用于模制轴向安装参考表面的模具表面 28 a - 28 c 用于在基本垂直于自由曲面的方向上安装自由曲面光学元件，位于模具的同一侧关于分型线PL。
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