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Department of Mechanical Engineering Graduate School of Semiconductor Technology

Advanced Packaging and Thin Films Lab

We investigate adhesion, deformation, fracture, and fatigue in advanced semiconductor packaging and functional thin films — from HBM to flexible and electronic devices.

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About the Lab

Our research group focuses on mechanics-related subjects of advanced packaging and thin films: adhesion, deformation, fracture, fatigue, reliability, and stress-strain-induced multiphysics phenomena for the following applications.

Microelectronics (HBM, NAND flash, DRAM, and other semiconductor packages), flexible display, fuel cell, solar cell, battery, electronic packaging, encapsulation, dry transfer, tensile / bending / folding / adhesion tests.

Research Areas

Six directions bridging mechanics and microelectronics.

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Publications

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Polar-Twisted Electron-Transport Layer Simultaneously Breaks Efficiency-Flexibility-Cost Limits in Organic Solar Cells
T. L. H. Mai, Z. Sun*, W. J. Kang, S. Lee, T.-S. Kim, C. Yang* · Nano-Micro Letters, 2027
Unveiling the Creep Recovery Behavior of Pseudo Free-Standing Polymer Thin Films for Wearable Electronics
E. S. Oh+, D. J. Kim+, W. Choi, and T.-S. Kim* · Nano Letters, 2026
Stretchable free-form 3D electronics via on-demand direct conformal printing of liquid metal particles
J. H. Kim+, K. Kim+, J. Kim+, E. Kim, M. Park, M. Lee, M. Kim, J. Park, J. Ryu, H. Lee, D. J. Kim, J. C. Yang, J. Pyo, H. T. Hong, T.-S. Kim, H. Kim, H. Lee, S. Kim*, S. K. Seol*, and S. Park* · Nature Communications, 2026
Modulus-gradient shear-lag design for robust, high-efficiency intrinsically stretchable perovskite solar cells
M.-H. Lee+, S.-J. Hong+, S. Lee+, M. S. Kim, H. Lee, M. Song, D. Kim, D.-H. Kim, T.-S. Kim, J. Kim, J. Seo, J.-Y Lee* · Energy Environ. Sci., 2026

Join Us

We are always looking for motivated graduate and undergraduate students interested in the advanced packaging and thin films. Please contact us for opportunities.

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