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HomeAuthorsKo H.S.

Authors: Ko H.S.

Micro Patterning of Organic Solvents on OLED Device Using EHD Inkjet Technology

Lee S-H., Nguyen X.H., Jo W., Ko H.S., Sungkyunkwan University, KR
Although there are many modes of the ejection mechanism from the EHD nozzle [2], a cone-jet mode, a pulse-jet mode and a micro-dripping mode have been analyzed by capturing the jetting phenomena using organic solvents [...]

Fabrication of plastic optical label-free biosensor and Immunodetection of cardiac marker in human serum

Kim B-K., Kim K.H., Hong J.C., Ko H.S., Kim B-K., Kim K.H., Huh C., Sung G.Y., ETRI, KR
We have studied for lab-on-a-chip (LOC) based bio-devices and fabricated plastic optical label-free biosensor device. Optical resonant reflection biosensor (ORRB) is a kind of label-free sensor, containing nanoscale resonate grating patterns1 and whole blood filter. [...]

Electrostatic Induced Inkjet Printing System for Micro Patterning and Drop-On-Demand Jetting Characteristics

Choi J., Kim Y., Kim Y.J., Son S.U., Kim Y., Kim Y.J., Lee S., Byun D., Ko H.S., Sungkyunkwan University, KR
Printing technology is considered to be a key technology even in the field of electronics, materials processing, and bio applications. Inkjet printing is an interesting patterning technique for electronic devices because it requires no physical [...]

Pattern Characteristic by Electrostatic Drop-On-Demand Ink-jet Printing Using Capillary Inkjet Head System

Choi J., Son S.U., Kim Y., Lee S., Kim Y., Ko H.S., Byun D., Sungkyunkwan University, KR
Ink-jet printing technology is very attractive for forming micro-size patterns for flat panel displays (FPDS), semiconductor, biological and optical devices. Further the necessity of the industrial inkjet system has grown in the past years due [...]

Electrostatic Droplet Ejector with Monolithic Fabrication of Nozzle

Lee S-H., Byun D.Y., Ko H.S., Kim Y., Yang J.H., Han S.J., Son S.U., Oh J.T., Konkuk University, KR
This paper presents a novel mechanism of electrostatic micro droplet formation and ejection of fluid. Unlike conventional electrostatic jetting which requires a high operating voltage, we offer a, commercially viable, low operating voltage for droplet-on-demand [...]

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