Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Improvement of Recognition of Register Errors and Register Control in Roll-to-roll Printing Equipment by Data Compensation

데이터 보상을 통한 롤투롤 인쇄 장비의 레지스터 오차 인식 개선 및 제어

  • Jeon, Sung Woong (Department of Convergence System Engineering, Chungnam National University) ;
  • Park, Jong-Chan (Department of Mechanical Engineering, Chungnam National University) ;
  • Nam, Ki-Sang (Department of Mechanical Engineering, Chungnam National University) ;
  • Kim, Cheol (Department of Mechanical & Metallurgical Engineering Education, Chungnam National University) ;
  • Kim, Dong Soo (School of Global Convergence Studies, Hanbat National University) ;
  • Kim, Chung Hwan (Department of Convergence System Engineering, Chungnam National University)
  • 전성웅 (충남대학교 융합시스템공학과) ;
  • 박종찬 (충남대학교 기계공학과) ;
  • 남기상 (충남대학교 기계공학과) ;
  • 김철 (충남대학교 기계금속공학교육과) ;
  • 김동수 (한밭대학교 글로벌융합학부) ;
  • 김충환 (충남대학교 융합시스템공학과)
  • Received : 2014.09.02
  • Accepted : 2014.10.13
  • Published : 2014.11.01
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Abstract

Register control of roll-to-roll printing system for printed electronics requires accurate measurement of register errors. The register marks used for the recognition of patterns position between layers have inherently defects due to low printability of register marks themselves, which brings out inaccurate register accuracy and consequently low performance of printed electronics devices. In this study, the compensation methods for the unrecognized or missing register data are proposed to improve the recognition and consequently the control performance of register accuracy in roll-to-roll printing equipment. The compensation methods using the prior data and the linear interpolation are proposed and compared with the case without compensation for the simulation as well as experiment. Only the linear interpolation method could successfully compensate the missing data and consequently improve the register control performance. We should apply the compensation process of the register errors to improve the register control accuracy in the roll-to-roll printing equipment.

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References

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