Electrohydrodynamic Pulsed-Inkjet Characteristics of Various Inks Containing Aluminum Particles

Title
Electrohydrodynamic Pulsed-Inkjet Characteristics of Various Inks Containing Aluminum Particles
Authors
이민욱D.K. KangH.Y. KimS.C. JamesS.S. Yoon
Keywords
EHD (Electrohydrodynamics); Inkjet printing; Aluminum; Suspension
Issue Date
2011-10
Publisher
Journal of aerosol science
Citation
VOL 42, NO 10-630
Abstract
As nano-sized silver particles are prohibitively expensive, lower cost materials (e.g., micro-sized aluminum) are sought for the manufacture of conducting electrodes. Inks containing various aluminum weight percentages are dot-printed onto a stainless-steel substrate with an electrohydrodynamic (EHD) inkjet, which is superior to thermal and piezoelectric inkjets for inks containing larger particles because it ejects drops smaller than the nozzle diameter. Various ink solvents (ethanol, octanol, and diethylene glycol) are formulated with aluminum particles from 1 to 10 wt%. EHD inkjet characteristics such as drop-separation distance, drop size, drop-to-substrate impact velocity, and required voltage are reported. The ink's thermo-fluid properties are the primary factors controlling drop characteristics and printing quality.
URI
http://pubs.kist.re.kr/handle/201004/66129
ISSN
0021-8502
Appears in Collections:
KIST Publication > Article
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