A conceptual design using computational fluid dynamics and experimental fabrication has been performed to develop an industrial inkjet head for micro-patterning on printed circuit boards. The measured displacement waveform from piezoelectric actuator by Laser Doppler Vibrometer was used as input data for the three-dimensional flow solver to simulate the droplet formation. The mechanism of droplet ejection from piezoelectric-type inkjet heads was investigated by simulating two-phase flows of the air and metal inks. As a preliminary approach, liquid metal jetting phenomena are identified by simulating droplet ejection, droplet formation, and wetting on the substrate in a consequent manner. Parametric studies are followed by the design optimization process to deduce key factors to inkjet head performance: nozzle geometry, droplet size, ejecting speed, ejecting frequency, and ink viscosity. The present design tool based on two-phase flow solver and experimental measurements has shown its promising applicability to various concept designs of industrial inkjet system for micro-patterning on electronic chips and boards.
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ASME 2007 5th International Conference on Nanochannels, Microchannels, and Minichannels
June 18–20, 2007
Puebla, Mexico
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4272-X
PROCEEDINGS PAPER
Conceptual Design of Industrial Inkjet Head for Micro Patterning on Printed Circuit Boards
Changsung Sean Kim,
Changsung Sean Kim
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
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Sung-Jun Park,
Sung-Jun Park
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
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Wonchul Shim,
Wonchul Shim
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
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Young-Jae Kim,
Young-Jae Kim
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
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Jung Hoon Park,
Jung Hoon Park
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
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Chang-Sung Park,
Chang-Sung Park
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
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Youngseuck Yoo
Youngseuck Yoo
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
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Changsung Sean Kim
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
Sung-Jun Park
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
Wonchul Shim
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
Young-Jae Kim
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
Jung Hoon Park
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
Chang-Sung Park
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
Youngseuck Yoo
Samsung Electro-Mechanics Company, Ltd., Suwon, South Korea
Paper No:
ICNMM2007-30083, pp. 543-550; 8 pages
Published Online:
May 28, 2009
Citation
Kim, CS, Park, S, Shim, W, Kim, Y, Park, JH, Park, C, & Yoo, Y. "Conceptual Design of Industrial Inkjet Head for Micro Patterning on Printed Circuit Boards." Proceedings of the ASME 2007 5th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 5th International Conference on Nanochannels, Microchannels, and Minichannels. Puebla, Mexico. June 18–20, 2007. pp. 543-550. ASME. https://doi.org/10.1115/ICNMM2007-30083
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