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Lens positioning system
专利权人:
Align Technology; Inc.
发明人:
Rami Boltanski
申请号:
US15211377
公开号:
US09709803B2
申请日:
2016.07.15
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A scanner includes a lens assembly comprising a lens having a lens axis and a positioning system to adjust a focal plane of the lens assembly. The positioning system includes an outer element, an inner element that houses the lens assembly, and a linear-motion bearing that couples the inner element to the outer element. The linear-motion bearing includes a first element coupling and a second element coupling. The linear-motion bearing provides a single degree of translational movement of the inner element along the lens axis.
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中国工程科技知识中心
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