Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Performance Characteristics of High Speed Jetting Dispenser Using Piezoactuator

압전작동기를 이용한 고속 토출 젯팅 디스펜서의 성능 특성

  • 윤보영 (인하대학교 대학원 기계공학과) ;
  • 구오흥 (인하대학교 대학원 기계공학과) ;
  • 손정우 (인하대학교 대학원 기계공학과) ;
  • 최승복 (인하대학교 기계공학부)
  • Published : 2008.04.20
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Abstract

This paper presents a new jetting dispenser driven by a piezoelectric actuator at high operating frequency to provide very small dispensing dot size of adhesive in modern semiconductor packaging processes. After describing the mechanism and operational principle of the dispenser, a mathematical model of the structured system is derived by considering behavior of each component such as piezostack and dispensing needle. In the fluid modeling, a lumped parameter method is applied to model the adhesive whose rheological property is expressed by Bingham model. The governing equations are then derived by integrating the structural model with the fluid model. Based on the proposed model, dispensing performances such as dispensing amount are investigated with respect to various input trajectories.

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References

  1. Dixon, D., Kazalski, J., Murch, F. and Marongelli, S., 1997, 'Practical Issues Concerning Dispensing Pump Technologies', Circuits Assembly, pp. 36-40
  2. Ness, C. Q. and Lewis, A. R., 1998, 'Adhesives/epoxies & Dispensing', Surface Mount Technology(SMT), pp. 114-122
  3. Wedekin, S., 2001, 'Micro Dispensing Comes of Age', Surface Mount Technology(SMT), pp. 62-71
  4. Chen, X. B. and Kai, J., 2004, 'Modeling of Positive-displacement Fluid Dispensing Processes', IEEE Transaction on Electronics Packaging Manufacturing, Vol. 27, No. 3, pp. 157-163 https://doi.org/10.1109/TEPM.2004.843083
  5. Adamson. S. J., 2004, 'Jetting of Underfill and Encapsulants for High-speed Dispensing in Tight Spaces', APEX IPC Printed Circuits Expo Anaheim, CA
  6. Choi, M. K., Yun, B. Y., Nguyen, Q. H., Choi, S. B. and Hong, S. M., 2007, 'Performance Evaluation of a New Type of Jetting Dispenser Using Piezoelectric Actuator', Proceedings of the SPIE's 14th Annual Symposium on Smart Structures and Materials, SPIE Vol. 6525, pp. 652522-1- 652522-9
  7. Choi, M. K., Yun, B. Y., Nguyen, Q. H. and Choi, S. B., 2006, 'Design and Control of Jetting Dispenser Driven by Piezoelectric Actuator', Transactions of the Korea Society for Noise and Vibration Engineering, Vol. 16, No. 11, pp. 1165-1171 https://doi.org/10.5050/KSNVN.2006.16.11.1165
  8. Nasser, K. M., 2000, 'Development and Analysis of the Lumped Parameter Model of a PiezoHydraulic Actuator', Master's Thesis, Virginia Polytechnic Institute and State University
  9. White, F. M., 2003, Fluid Mechanics, McGraw-Hill

Cited by

  1. Experimental Analysis of Operating Parameters for Piezoelectric Jetting Dispenser vol.25, pp.10, 2015, https://doi.org/10.5050/KSNVE.2015.25.10.685
  2. Improvement for Response Delays of Displacement Magnifier in Jetting Dispenser vol.26, pp.5, 2016, https://doi.org/10.5050/KSNVE.2016.26.5.546