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发明名称
正像等倍透镜阵列
摘要
本发明提供一种漫射光、光斑之产生少的正像等倍透镜阵列。其于将两面排列形成凸透镜的透镜板复数片重叠而构成的正像等倍透镜阵列中,其凸透镜的排列方向的透镜间距P系为形成于正像等倍透镜阵列内的倒像高度的2倍以上,在接近形成倒像的位置,以光线不通过以倒像高度为半径之圆的区域外的方式,在个个透镜元件设置开孔光阑。
申请公布号
TW200403452
申请公布日期
2004.03.01
申请号
TW092114251
申请日期
2003.05.27
申请人
板硝子股份有限公司
发明人
根本浩之
分类号
G02B3/00
主分类号
G02B3/00
代理机构
代理人
赖经臣;宿希成
主权项
地址
日本
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