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스마트폰 렌즈 모듈의 조립 공정 자동화를 위한 인라인 해상력 검사 시스템 개발

Developed an In-Line System of Measuring MTF for Automating the Assembly Process of Lens-Module in a Smartphone Camera

Journal of the Korean Society for Precision Engineering 2021;38(5):359-363.
Published online: May 1, 2021

1 한국생산기술연구원 스마트에너지나노융합연구그룹

1 Smart Energy & Nano-Photonics Group, Korea Institute of Industrial Technology

#E-mail: lee2003@kitech.re.kr, TEL: +82-62-600-6150
• Received: November 30, 2020   • Revised: March 3, 2021   • Accepted: March 10, 2021

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Fabrication and Characterization of Automotive Aspheric Camera Lens Mold based on Ultra-precision Diamond Turning Process
    Ji-Young Jeong, Hwan-Jin Choi, Jong Sung Park, Jong-Keun Sim, Young-Jae Kim, Eun-Ji Gwak, Doo-Sun Choi, Tae-Jin Je, Jun Sae Han
    Journal of the Korean Society for Precision Engineering.2024; 41(2): 101.     CrossRef
  • SEM Image Quality Improvement and MTF Measurement Technique for Image Quality Evaluation Using Convolutional Neural Network
    Chan Ki Kim, Eung Chang Lee, Joong Bae Kim, Jinsung Rho
    Journal of the Korean Society for Precision Engineering.2023; 40(4): 275.     CrossRef

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Developed an In-Line System of Measuring MTF for Automating the Assembly Process of Lens-Module in a Smartphone Camera
J. Korean Soc. Precis. Eng.. 2021;38(5):359-363.   Published online May 1, 2021
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Developed an In-Line System of Measuring MTF for Automating the Assembly Process of Lens-Module in a Smartphone Camera
J. Korean Soc. Precis. Eng.. 2021;38(5):359-363.   Published online May 1, 2021
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Developed an In-Line System of Measuring MTF for Automating the Assembly Process of Lens-Module in a Smartphone Camera
Image Image Image Image Image Image Image
Fig. 1 Schematic diagram of the existing lens module assembly line
Fig. 2 Schematic diagram of the newly applied lens module assembly line using In-line measurement system; The converted exiting lens module assembly line (Up); The diversified lens module production line (Down)
Fig. 3 Schematics of inspection optics to measure MTF of lens module
Fig. 4 Schematics of inspection optics to measure MTF of lens module
Fig. 5 GUI program for setting the measurement position of lens module
Fig. 6 The measured points as a function of various field
Fig. 7 MTF results measured at the (a) Center field, (b) 0.4 field, (c) 0.6 field, and (d) 0.8 field
Developed an In-Line System of Measuring MTF for Automating the Assembly Process of Lens-Module in a Smartphone Camera