Publication

Journal Papers

• Kent Justine Legada and Changwoon Han, “Optimization of MLCC Bar Design to Minimize Failure Rates Under Isostatic Pressing using Numerical Analysis and Homogenization Technique,” IEEE Access, 13, pp.76058-76071 (2025).

• Ji Min Shin, Sung Jin Hong, and Changwoon Han, “Parametric Design Studies of Multilayer Ceramic Capacitors for Enhanced Reliability under Mechanical Stress in Electric Vehicles,” IEEE Access, 13, pp.56509-56519 (2025).

• Jinkyu Lee, Seungil Park, Hyun-gi Kim, and Changwoon Han, “Reliability Analysis of Critical Components in Electro-Mechanical Actuators for Aircraft Nose Wheel Steering,” Journal of the Korea Academia-Industrial Cooperation Society, 26(1) pp. 779-789 (2025).

• Hyun-gi Kim and Changwoon Han, “Analysis of Reliability Life for Components of Electro-Mechanical Actuator for Blade Pitch Control,” Journal of the Korea Academia-Industrial Cooperation Society, 25(5) pp. 358-364 (2024).

• Changwoon Han,and Seungil Park, “Mechanism and Modeling of Power Conversion Efficiency Degradation of Si Solar Cells under Thermal Cycling,” IEEE Access, 12, pp.25052-25062 (2024).

• Suyeon Lee, Seungil Park, and Changwoon Han, “Prognostics and Health Management using Nonlinear Cumulative Damage Model for Electronic Devices under Variable Loading,” IEEE Access, 12, pp.3356-3371 (2023).

• Changwoon Han, “Simulation of Series Resistance Increase through Solder Layer Cracking in Si Solar Cells under Thermal Cycling,” Energies, 16(6) (2023).

• Youngjin Seo, Seungil Park, Changwoon Han, and Hyun-gi Kim, “Selection of Critical Components for Reliability of Steering Electric Mechanical Actuator,” Transactions of the Korean Society of Mechanical Engineers A (in Korean), 47(10), pp.777-787 (2023).

• Hyun-gi Kim and Changwoon Han, “Analysis of Critical Component of EMA for Individual Blade Pitch Control,” Journal of the Korea Academia-Industrial Cooperation Society, 24(6) pp. 430-437 (2023).

• Seungil Park and Changwoon Han, “Reliability-driven Design Optimization of Si Solar Module under Thermal Cycling,” Journal of Mechanical Science and Technology, 36 (8), pp.4099-4114 (2022). 

• Seungil Park and Changwoon Han, “Analysis of EL images on Si Solar Module under Thermal Cycling,” Journal of Mechanical Science and Technology, 36 (7), pp.3429-3436 (2022).

• Prince-David Malendele, Suyeon Lee, SeungIl Park, and Changwoon Han, “Study on Prediction Method of the Reliability-Critical Component on an Electronic Board under Random Vibration,” Transactions of the Korean Society of Mechanical Engineers A (in Korean), 46(7), pp.637-644 (2022). 

• Jay-Hyung Kim, Suyeon Lee, Seungil Park, and Changwoon Han, “A Study on Air Breather Design for Automatic Transmission,” Transactions of the Korean Society of Mechanical Engineers C (in Korean), 10(2), pp.1-8 (2022). 

• Norak Rin and Changwoon Han, “Lifetime prediction method for moisture-induced degradation of glass-to-glass solar cell modules using spatially distributed diode model,” Solar Energy Materials and Solar Cells, 225 (15), 111052 (2021).

• SeungIl Park, Namju Lee, Seoyeon Kim, and Changwoon Han, " Study on Reliability Critical Item Analysis for Audio Interface Unit Using Highly Accelerated Life Test and Failure Modes Effects and Criticality Analysis," Transactions of the Korean Society of Mechanical Engineers A (in Korean), 45(12), (2021).

• Changwoon Han, “Analysis of Moisture-Induced Degradation of Thin-Film Photovoltaic Module,” Solar Energy Materials and Solar Cells, 210 (15), 110488 (2020).

• D. S. Woo, Changwoon Han, B. D. Youn, and K. J. Kim, “Thermal Modelling and Design of Dynamically-Controlled Heater Plates for High Temperature Processing of 300mm Wafers,” Journal of Mechanical Science and Technology, 33 (10), pp.1-8 (2019).

• Changwoon Han, Seungil Park, and Hyeonseok Lee, “Intermittent Failure in Electrical Interconnection of Avionics System,” Reliability Engineering and System Safety, 185, pp.61-71 (2019).

• Changwoon Han and Hyeonseok Lee, "A field-applicable health monitoring method for photovoltaic system," Reliability Engineering and System Safety, 184, pp.219-227 (2019).

• Changwoon Han and Hyeonseok Lee, "Investigation and modeling of long-term mismatch loss of photovoltaic array," Renewable Energy 121, pp. 521-527 (2018).

• Changwoon Han, Seungil Park, and Hyeonseok Lee, "Development of field-applicable health-monitoring method for solar cell array," Transactions of the Korean Society of Mechanical Engineers A (in Korean), 42(5), pp.471-476 (2018).

• Changwoon Han, Seungil Park, and Wonwook Oh, “Reliability-Based Structural Optimization of 300x300mm2 Dye-Sensitized Solar Cell Module,” Solar Energy, 150 pp.128-135 (2017).

• Changwoon Han, “Verification Study of Lifetime Prediction Models for Pb-based and Pb-free Solders Used in Chip Resistor Assemblies Under Thermal Cycling,” Transactions of the Korean Society of Mechanical Engineers A (in Korean), 40(3), pp.259-265 (2016).

• H. Oh, B. Han, P. McCluskey, Changwoon Han, and B. D. Youn, “Physics-of-failure, Condition Monitoring, and Prognostics of Insulated Gate Bipolar Transistor modules: A Review,” IEEE Transactions on Power Electronics, 30(5), pp.2413-2426 (2015).

• Changwoon Han and B. Han, “Board Level Reliability Analysis of Chip Resistor Assemblies under Thermal Cycling: A Comparison Study between SnPb and SnAgCu,” Journal of Mechanical Science and Technology, 28(3), pp.879-886 (2014).

• N. Kim, H. Kang, K. J. Hwang, Changwoon Han, W. S. Hong, D. Kim, and H. Kim, “Study on the Degradation of Different Types of Backsheets used in PV module under Accelerated Conditions,” Solar Energy Materials and Solar Cells, 120, pp.543-548 (2014).

• Changwoon Han, “Location-dependent Reliability of Solder Interconnection on Printed Circuit Board in Random Vibration Environment,” Transactions of the Korean Society of Mechanical Engineers A (in Korean), 38(1), pp.45-50 (2014).

• N. Kim and Changwoon Han, “Thermal Analysis and Design of a 75-W hybrid-type DC–DC Converter for Space Applications,” Microelectronics Reliability, 54(8), pp.1555-1561 (2014).

• N. Park, J. Jeong, and Changwoon Han, “Estimation of the Degradation Rate of Multi-crystalline Silicon Photovoltaic Module under Thermal Cycling Stress,” Microelectronics Reliability, 54(8), 1562-1566 (2014).

• N. Park, Changwoon Han, and D. Kim, “Effect of Moisture Condensation on Long-term Reliability of Crystalline Silicon Photovoltaic Modules,” Microelectronics Reliability, 53(12), pp.1922-1926 (2013).

• Changwoon Han, C. M. Oh, W. S. Hong, Stress, “Analysis for Bendable Electronic Module Under Thermal-Hygroscopic Complex Loads,” Transactions of the Korean Society of Mechanical Engineers A (in Korean), 37(5), pp.619-624 (2013).

• Y. H. Nho, Y. S. Hwang, J. S. Jeong, Changwoon Han, “TID and SEL Testing on PWM-IC Controller of DC/DC Power Buck Converter,” Journal of The Korean Society for Aeronautical & Space Sciences (in Korean), 41(1), pp.79-84 (2013).

• N. Kim and Changwoon Han, “Experimental Characterization and Simulation of Water Vapor Diffusion through Various Encapsulants used in PV Modules,” Solar Energy Materials and Solar Cells, 116, pp.68-75 (2013).

• Changwoon Han, C. M. Oh, and W. S. Hong, “Prognostics Model Development of BGA Assembly under Vibration Environment,” IEEE Transactions on Components, Packaging and Manufacturing Technology, 2(8), pp.1329-1334 (2012).

• Changwoon Han, C. M. Oh, and W. S. Hong, , “Moisture Diffusion Analysis for Bendable Electronic Module Under Autoclave Test Condition,” Transactions of the Korean Society of Mechanical Engineers A (in Korean), 36(5), pp.523-528 (2012).

• S. I. Chan and Changwoon Han, “Reliability Evaluation of COTS Integrated Circuits for Military and Space Applications,” Journal of The Korean Society for Aeronautical & Space Sciences (in Korean), 40(12), pp.1093-1098 (2012).

• J. S. Jeong, N. Park, and Changwoon Han, “Field Failure Mechanism Study of Solder Interconnection for Crystalline Silicon Photovoltaic Module,” Microelectronics Reliability, 52(9), pp.2326-2330 (2012).

• Changwoon Han, “Lifetime Evaluation of Class E Electrical Insulation for Small Induction Motor,” IEEE Electrical Insulation Magazine, 27(3), pp.14-19 (2011).

• Changwoon Han, N. C. Park, and W. S. Hong, " Study on the Failure Mechanism of a Chip Resistor Solder Joint During Thermal Cycling for Prognostics and Health Monitoring," Transactions of the Korean Society of Mechanical Engineers A (in Korean), 35(7), pp.799-804 (2011).

• Changwoon Han, C. M. Oh, N. C. Park, and W. S. Hong, “Creep Lifetime Prediction of Solder Joint for Heat Sink Assembly,” Microelectronics Reliability, 50(9), pp.1645-1649 (2010).

• Changwoon Han, N. C. Park, C. M. Oh, W. S. Hong, and B. S. Song, " Creep Characteristics Verification of FE Model for SnPb Solder," Transactions of the Korean Society of Mechanical Engineers A (in Korean), 34(1), pp.43-48 (2010).

• C. M. Oh, N. C. Park, Changwoon Han, M. S. Bang, W. S. Hong, " The Interfacial Reactions and Reliability of SnAgCu Solder Joints under Thermal Shock Cycles," Korean Journal of Metals and Materials (in Korean), Vol.47, No.8, pp.500-507 (2009).

• Changwoon Han and B. Han, “Phase-shifting in Acromatic Moiré Interferometry System,” Optics Express, 15(16), pp.9970-9976 (2007).

• Changwoon Han and B. Han, “High Sensitivity Shadow Moiré Using Nonzero-Order Talbot distance,” Experimental Mechanics, 46(4), pp.543-554 (2006).

• Changwoon Han and B. Han, “Error Analysis of the Phase-shifting Technique when Applied to Shadow Moiré,” Applied Optics, 45(6), pp.1124-1133 (2006).

• Changwoon Han and B. Han, “Contrast of Shadow Moiré at High Order Talbot Distances,” Optical Engineering, 44(2), pp.028002.1-028002.6 (2005).

• Y. Y. Kim and Changwoon Han, " Buckling Analysis of Single Hat Rectangular Members," Transactions of the Korean Society of Mechanical Engineers A (in Korean), 19(5), pp.1251-1258 (1995).

Patents

• Silicon solar cell and the Method for improving the reliability of silicon solar cell by inducing the reduction of crack generation rate, Changwoon Han, filed May 2021 (10-2021-0061978) and granted as KR 10-2622178 (January 2024)

• Building Integrated Solar Cell Module, N. Kim, Changwoon Han, filed December 2012 and granted as KR 10-1481534 (January 2015)

• Film for Monitoring the Degradation of Photovoltaic Module, N. Kim, Changwoon Han, J. J. Hwang filed May 2013 and granted as KR 10-1469131 (November 2014)

• Life Prediction Method for Solar Cell Module Using Array Type Circuit Model, Changwoon Han, filed December 2013 and granted as KR 10-1466687 (November 2014)

• Solar Cell Module for Weight Lightening, N. Kim, W. S. Hong, Changwoon Han, filed December 2012 and granted as KR 10-1437438 (August 2014)

• Shadow Moiré Method using Sine Wave Grating and Measuring Apparatus using the Same,  Changwoon Han, filed December 2012 and granted as KR 10-1436403 (August 2014)

• Method and Device which Forecast Solar Power Based on Metastability, Changwoon Han, filed December 2012 and granted as KR 10-1428755 (August 2014)

• System for Predicting Crack of Solder Ball of Ball Grid Array Type Package and Method Thereof, Changwoon Han, filed December 2011 and granted as KR 10-1352003 (January 2014)

• Method for Predicting a Lifetime in Continuous Varying Environment, N. Kim, Changwoon Han, filed December 2011 and granted as KR 10-1304308 (August 2013)

• Apparatus and Method for Measuring Lead Co-planarity of Lead-type Component, Changwoon Han, filed December 2011 and granted as KR 10-1289880 (July 2013)

• Apparatus and Method for Measuring Surface Shape, Changwoon Han, filed December 2010 and granted as KR 10-1246350 (March 2013)

• Shadow Moiré Using Nonzero Talbot Distance, B. Han, Changwoon Han, filed October 2005 and granted as US 7230722 (June 2007)

Book Chapter and Themes

• Changwoon Han and Bongtae Han, “Future Mobility & Reliability,” Journal of the Korea Society of Mechanical Engineers, 63(5), pp.24-28 (2023).

• Changwoon Han, “UV Shadow Moiré for Specular and Large Surface Shape Measurement,” In Progress in Optomechatronic Technologies, pp.73-79, Springer International Publishing, (2014).

• Changwoon Han, “Theme: Trend and Perspective of Long-term Reliability Guarantee Policy,” Bulletin of the Korean Institute of Electrical and Electronic Material Engineers, 27(10), pp.30-36 (2014).

• Changwoon Han, “Evolution of Diagnostics Techniques for Automobile Electronics,” Journal of the Korea Society of Mechanical Engineers, 53(7), pp.40-43 (2013).