Electropulsing Treatment on Enhancement of Electrical Conductivity of Screen-Printed Ag Wire

Ju‑Won Park; Howook Choi; Hwangsun Kim; Simoon Sung; Hye‑Jin Jeong; Il Kim; Jaeseok Gong; Sung‑Tae Hong; Heung Nam Han

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자료유형: 학술저널

저자정보: Ju‑Won Park (Seoul National University) Howook Choi (Seoul National University) Hwangsun Kim (Seoul National University) Simoon Sung (Seoul National University) Hye‑Jin Jeong (Seoul National University) Il Kim (Samsung Electronics) Jaeseok Gong (Samsung Electronics) Sung‑Tae Hong (University of Ulsan) Heung Nam Han (Seoul National University)

저널정보: 대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.5

발행연도: 2021.1

수록면: 1,296 - 1,304 (9page)

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The effect of high electric current density on the sintering of Ag wires manufactured by screen printing is evaluated throughelectrical resistivity analysis and microstructure observation. Different forms (continuous and pulsed) of electric currentwith different current densities are applied to the specimens. Conventional heat treatment is also performed as a controlgroup to examine the athermal effect of electropulsing treatment. Compared to the conventional heat treatment, the resistivityis reduced more under the electropulsing treatment with continuous current for the same temperature and treatment time.Also, the process time of electropulsing treatment can be reduced by applying a pulse form of high density current insteadof continuous current without losing the benefit of enhanced reduction of resistivity. The microstructural observationsobtained from high angle annular dark field scanning transmission electron microscope and a digital precession instrumentclearly show that necking connecting the crystals is formed more firmly under electric current. In addition, the temperaturechange of Ag wire and substrate is calculated according to the change of the resistivity when the electric current is appliedto confirm the reliability.

#Electropulsing treatment · Printed electronics · Sintering · Electrical conductivity

참고문헌 (47)

참고문헌 신청

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G.O. Mallory / 1990 / Electroless Plating: Fundamentals and Applications / William Andrew

A. Loi / 2014 / Inkjet Printing: Technique and Applications for Organic Electronic Devices

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