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http://dx.doi.org/10.3795/KSME-B.2005.29.4.504

Study of Ceramic Sub-Micron Particle Patterning by Electro-Hydrodynamic Printing  

Lee Dae-Young (연세대학교 기계공학과)
Kim Sang-Yoon (연세대학교 기계공학과)
Yu Tae-U (한국생산기술연구원)
Kim Yong-Jun (연세대학교 기계공학부)
Hwang Jungho (연세대학교 기계공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.29, no.4, 2005 , pp. 504-511 More about this Journal
Abstract
The generation of fine relics of inorganic and metallic materials from precursor suspensions is of significant current interest as it holds the key to the fabrication of display and printed circuit board. Some novel printing methods depositing ceramic particles have been suggested in recent years. When a conducting liquid is supplied to a capillary nozzle at a low flow rate and when the interface between air and the liquid is charged to a sufficiently high electrical potential, the liquid meniscus takes the form of a stable cone, whose apex emits a microscopic jet. This is called as a cone-jet mode. In our experiments, an alumina particles flowing through a nozzle were subjected to electro-hydrodynamic printing in the cone-jet mode. The pattern of 'YONSEI' characters was tested at $10 {\mu}l/min$ of alumina ink flow rate and different applied voltages. At an applied voltage of 6 kV, feature size was in the range of $250 {\mu}m.$
Keywords
Electro-Hydrodynamic Printing; Direct Write Technology; Pattern; Ceramic Sub-Micronp Particle;
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