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Proceedings Paper

Surface scratch detection system based on differential interference contrast (DIC)
Author(s): Zhongchao Liang; Yan Li
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Paper Abstract

In this paper, we provide a high-speed large-field DIC imaging method and corresponding system with sufficient scanning efficiency for real industry, which makes it applicable for in-line surface scratch detection of cellphone panel. The work mainly involves: 1. basic principles of traditional DIC methods and the line-scan improving scheme for high-speed large-field imaging: 2. key techniques of system integration such as motion control and data synchronized acquisition.

Paper Details

Date Published: 12 March 2020
PDF: 7 pages
Proc. SPIE 11434, 2019 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 114341G (12 March 2020); doi: 10.1117/12.2550231
Show Author Affiliations
Zhongchao Liang, Tsinghua Univ. (China)
Yan Li, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 11434:
2019 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments
Juan Liu; Baohua Jia; Xincheng Yao; Yongtian Wang; Takanori Nomura, Editor(s)

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