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Journal of KWJS 2009;27(5):68-73.
Published online November 16, 2009.
초음파 접합용 바혼의 설계
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Design of Bar Horn for Ultrasonic Bonding
Sun-Rak Kim, JaeHak Lee, ChoongD. Yoo
Abstract
  The bar horn is designed to increase uniformity of the displacement on the output face through simulation and experiments. Three-dimensional modal analysis is conducted using the finite element method to calculate the vibration mode and displacement on the output face, and the design of experiment (DOE) technique is employed to determine the optimum dimensions of the groove and slot so that the high amplitude uniformity of the bar horn is produced. Displacement of the bar horn was measured using the Laser Doppler Vibrometer (LDV), and the experimental results show good agreements with the predicted results. High uniformity of the bar horn is achieved with the dimensions of the groove and slot determined using the design equations.
Key Words: Ultrasonic bonding, Bar horn, Design of experiments, Slot, Groove


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