In this paper, we present experimental results of process monitoring and process control in automatic assembly of minilenses in front of a miniature flexible fiberscope. For the purpose of process visualization and process control, an LED light source, a grating and a micrometer screw are compacted together in a vacuum gripper. A positioning system, a fiber chuck, a mimilens magazine and a fiberscope have been installed in the system and an image processing algorithm for process control has been developed. The optical design and assembly process are presented here in details. The projection of an illuminated grating through the minilens on the fiberscope is used to position the minilens automatically by an image processing unit and the motion system. The position system has a minimum step size of 5 μm in translation and 0.01° by rotation. The repeatability of the translation stages is about ±2.5 μm. It is shown from the experimental results that the tilt axial angle between the optical axis of the minilens and the geometrical axis of the fiberscope is less than 4°.
2007 First International Conference on Integration and Commercialization of Micro and Nanosystems
January 10–13, 2007
Sanya, Hainan, China
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4265-7
PROCEEDINGS PAPER
Process Monitoring in Automatic Assembly of Minilenses With Fiberscopes
Tian Lan
,
Tian Lan
Beijing Institute of Technology, Beijing, China
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Siying Chen
,
Siying Chen
Beijing Institute of Technology, Beijing, China
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Guoqiang Ni
Guoqiang Ni
Beijing Institute of Technology, Beijing, China
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Author Information
Tian Lan
Beijing Institute of Technology, Beijing, China
Siying Chen
Beijing Institute of Technology, Beijing, China
Guoqiang Ni
Beijing Institute of Technology, Beijing, China
Paper No:
MNC2007-21411, pp. 1449-1452; 4 pages
Published Online:
June 8, 2009
Citation
Lan, Tian, Chen, Siying, and Ni, Guoqiang. "Process Monitoring in Automatic Assembly of Minilenses With Fiberscopes." Proceedings of the 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems. First International Conference on Integration and Commercialization of Micro and Nanosystems, Parts A and B. Sanya, Hainan, China. January 10–13, 2007. pp. 1449-1452. ASME. https://doi.org/10.1115/MNC2007-21411
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