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发明名称
模具,光学元件,光学元件成型用之模具及其制造方法
摘要
本发明之目的在于提供一种可一边对于光学元件确保所必须的光利用效率,同时一边可抑制其成型所使用之每一模具之不均一变异的光学元件成型用之模具、光学元件及该光学元件成型用之模具的制造方法。本发明之模具,系为将具有复数个环带构造之光学元件予以成型的模具,其特征在于:具有具备复数个同心圆状之环带构造的面,而各个前述环带构造,系具有:于前述环带构造之半径方向具有预定宽度的底面;侧壁面;以及由连接前述底面与前述侧壁面的曲率半径0.5~2μm之曲面所构成的沟槽。
申请公布号
TWI406749
申请公布日期
2013.09.01
申请号
TW096135748
申请日期
2007.09.26
申请人
柯尼卡美能达精密光学股份有限公司 日本
发明人
藤本章弘;大柳泰介
分类号
B29C33/42;G02B5/00;B29L11/00
主分类号
B29C33/42
代理机构
代理人
林志刚 台北市中山区南京东路2段125号7楼
主权项
地址
日本
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