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Development of Electrolyte with Enhanced Corrosion Resistance for Sn Electroplating on Multi-Layer Ceramic Capacitors
고신뢰성 적층 세라믹 커패시터를 위한 침식방지형 주석도금액 개발
Bonil Ku, Junseong Kim, Yujin Son, Kyeongseok Min, Sung-Hyeon Baeck
구본일, 김준성, 손유진, 민경석, 백성현
Korean J. Met. Mater. 2024;62(3):180-189.   Published online 2024 Mar 5
DOI: https://doi.org/10.3365/KJMM.2024.62.3.180

Abstract
Capacitors not only store and release electricity but selectively conduct alternating current. Among the various types of capacitors, multi-layer ceramic capacitors (MLCCs) have been widely used in automotive, smartphone, and wearable devices because of their compact size and high capacitance capabilities. In this study, we have developed an electrolyte for..... More

                
Optimization of Electrochemical Variables of Pulse-Reverse Electroplating in Trivalent Chromium Bath to Enhance the Corrosion Resistance of Chromium Film
3가 크롬 도금욕에서 펄스 도금의 전기화학적 변수 최적화를 통한 크롬 도금막의 내식성 향상 연구
Chaewon Lim, Dongwook Lim, Bonil Ku, Sang Eun Shim, Sung-Hyeon Baeck
임채원, 임동욱, 구본일, 심상은, 백성현
Korean J. Met. Mater. 2019;57(10):641-647.   Published online 2019 Sep 6
DOI: https://doi.org/10.3365/KJMM.2019.57.10.641

Abstract
Electroplating chromium films in a trivalent chromium bath has been extensively investigated as a replacement for the conventional hexavalent chromium bath. However, commercialization of the trivalent chromium method has been hindered because the resulting chromium films exhibit inferior mechanical properties compared to hexavalent chromium coated film. In this study, we..... More

                
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