Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Continuous Scanning Method for Improvement of Precision and Fabrication Efficiency of Two-Photon Stereolithography

연속적 스캐닝 방법을 이용한 이광자 광중합 공정의 제작 속도 및 정밀도 개선에 관한 연구

  • 임태우 (한국과학기술원 기계공학과) ;
  • 손용 (한국과학기술원 기계공학과) ;
  • 양동열 (한국과학기술원 기계공학과) ;
  • 공홍진 (한국과학기술원 물리학과) ;
  • 이광섭 (한남대학교 고분자공학과) ;
  • 박상후 (부산대학교 기계공학과)
  • Published : 2008.05.01
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Abstract

Minimization of processing time in two-photon stereolithography (TPS) has been one of important issues. Generally, a voxel scanning method (VSM) has been used in TPS because the method is very profitable for the stable fabrication irrespective of jittering and response time of scanning equipments such as a stage and a galvano-scanner. However, supplementary processing time due to the on/off control of a shutter for the generation of each voxel is required inevitably in VSM; by this reason, much processing time takes to fabricate largescale micropatterns and three-dimensional patterns. In this work, a continuous scanning method (CSM), generating patterns by movement of beam focus with a constant speed, is proposed for the improvements of scanning speed and precision in TPS. Some line patterns are fabricated by each scanning method to demonstrate the usefulness of CSM with viewpoints of scanning speed and precision.

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References

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