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公开(公告)号:US20230359021A1
公开(公告)日:2023-11-09
申请号:US18021941
申请日:2021-08-23
发明人: Charles Graham
摘要: The invention is directed to a target in the form of a super precision scan sphere that can be utilized in existing systems having smaller scan spheres. The present scan sphere has an interior chamber and can be placed over an existing sphere. A magnet in the interior chamber can be used to adhere the scan sphere to the smaller existing sphere.