Conferences

Quan, Y.J., Yang, S., Thiede, S., "Structural color sensors for lifecycle management in circular manufacturing," 32nd CIRP Conference on Life Cycle Engineering (LCE 2025), April 7-9, 2025, Manchester, UK

Quan, Y.J. and Ahn, S.H., "Direct Structural Color Image Printing in Micro-scale of Metal-insulator-metal Structure," World Congress on Micro and Nano Manufacturing, September 18-21, 2023, Evanston, IL, U.S.

Quan, Y.J. and Ahn, S.H., "Fabrication of Microcapsules with Phase Change Materials and Effect on Thermal Storage," International Conference on Energy, Aquatech and Sustainability (ICEAS 2023), August 1-4, 2023, Arusha Technical College, Arusha, Tanzania (Keynote Speech)

Quan, Y.J. and Ahn, S.H., “Structural Color Sensor Detecting via Image Processing Algorithm with RGB to Hue Transformation,” International Symposium on Precision Engineering and Sustainable Manufacturing (PRESM2023), July 16-21, 2023, Bankoku Shinryokan, Okinawa, Japan

Choi, J.Y., Jeon, J.H., Quan, Y.J., Ahn, S.H., "Evaluation of Composite Manufacturing Processes for Practical and Eco-friendly Applications in Urban Air Mobility" 13th International Conference on Appropriate Technology 2022, November 2022, Seoul, Korea

Kim, W.J., Park, J.W., Quan, Y.J., Kausthubharam, Ahn, S.H., "Realization of glass surface structural color through micro-scale hydrogel printing," KSPE 2022 Autumn Conference, October 2022, Daegu, Korea

Choi, J.Y., Heo, J.K., Quan, Y.J., Ahn, S.H., "Dual Actuation of SMA Spring for Locking and Gripping in Microscale" KSPE 2022 Autumn Conference, October 2022, Daegu, Korea

Jung, G.Y., Quan, Y.J., Ahn, S.H., "Low power gas sensor using color difference caused by nanostructure variation" KSPE 2022 Spring Conference, May 2022, Jeju, Korea

Park, S. Y., Lee, H. S., Quan, Y.J., Jung, G. Y. and Ahn, S.H., 2021, "Power data-based die casting process real-time monitoring system" International Conference on Appropriate Technology (ICAT 2021), December 3, Online

Kwon, K. K., Quan, Y.J., Simon, S. Park, and Ahn, S.H., 2021, "Depth Profile Prediction of Glass Microstructures Using Near-infrared Laser-induced Backside Wet Etching," International Symposium on Precision Engineering and Sustainable Manufacturing (PRESM2021), July 21-23, Jeju, Korea

Quan, Y.J., Hong, S. J., Song, D.S., Kim, W. J., and Ahn, S.H., 2021, "Camera-based Strain Sensing System using Image Processing Algorithm," International Conference on Energy, Aquatech and Sustainability (ICEAS 2021), August 11-13, Siheung, Korea

Quan, Y.J., Min, S.H., Hong, S. J., Song, D.S., Kim, W. J., and Ahn, S.H., 2021, "Diffractive Structural Color Strain Sensor and Its Sensing Method Using Image Processing Algorithm," International Symposium of Precision Engineering and Sustainable Manufacturing (PRESM 2021), July 21-23, Jeju, Korea

Quan, Y.J., Kim, Y.G., Kim, M.S., Ahn, S.H., “Fabrication of diffractive color-based normal and shear strain sensor,” KSCM 2020 Spring Conference, August 2020, Gunsan, Korea

Min, S.H., Quan, Y.J., Park, S.Y., Ahn, S.H., "Camera-based measuring algorithm for structural color sensor," KSMTE 2020 Spring Conference, July 2020, Gangwon, Korea

Quan, Y.J., Kim, Y. G, Kim, M.S., and Ahn, S.H., 2019, "Development of diffraction grating based strain sensor via nanoimprinting process," International Conference on Science and Technology ODA 2019 (ICST 2019), November 29, 2019, Seoul, Korea.

Min, S.H., Quan, Y.J., Kim, H.J., Lee, G.Y., Ahn, S.H., "RFID sensor printing using aerodynamically focused nanoparticle (AFN) printing system," KSPE 2019 Autumn Conference, October 2019, Changwon, Korea

Quan, Y.J., Kim, M.S., Kim, Y. G, and Ahn, S.H., 2019, "Colour-tunable 50% strain sensor using surface-nanopatterning of soft materials via nanoimprinting with focused ion beam milling process," 69th CIRP General Assembly, August 18 – 24, Birmingham, UK.

Lee, H.S., Kim, M.S., Quan, Y.J., and Ahn, S.H., 2019, "Microscale Shape Memory Alloy Actuators with Meta-surfaces of Diffraction Grating," International Symposium of Precision Engineering and Sustainable Manufacturing (PRESM 2019), July 9-13, Da Nang, Vietnam.

Quan, Y.J., Kim, M.S., Kim, Y. G and Ahn, S.H., 2019, "Large Stretchable Structural Color Based Strain Sensor Using Nanoimprinting with Focused Ion Beam Nanopatterning Process," International Symposium of Precision Engineering and Sustainable Manufacturing (PRESM 2019), July 9-13, Da Nang, Vietnam

Quan, Y.J., Kim, M.S., Kim, Y.G., Ahn, S.H., "Large deformable soft strain sensor based on nano-patterned structural coloration," KSPE 2019 Spring Conference, May 2019, Jeju, Korea

Quan, Y.J., Kim, M.S., Kim, Y.G., Ahn, S.H., "Fabrication of large deformable structural color based strain sensor via FIB nanopatterning process," KSPE 2019 Spring Conference, May 2019, Jeju, Korea

Kim D. H., Kim, T.J.Y., Kim, M., Quan, Y.J. and Ahn, S.H., 2018, "Smart Machining Using Machine Learning Algorithm and its Development Direction in the Future," International Symposium of Precision Engineering and Sustainable Manufacturing (PRESM 2018), July 3-7, Sapporo, Japan.

Quan, Y.J., Lee, H.T., Yu, J. H. and Ahn, S.H., 2018, "Tunable Diffraction Color Printing of Metal Nanoparticle/Polymer Nanocomposite Via Focused Ion Beam Nanofabrication," International Symposium of Precision Engineering and Sustainable Manufacturing (PRESM 2018), July 3-7, Sapporo, Japan.

Wang, W., Quan, Y.J., Park, H.B., Kim, D.R. and Ahn, S.H., 2018, "3D-printed polymer-paper based soft tendril-inspired grippers," International Symposium of Precision Engineering and Sustainable Manufacturing (PRESM 2018), July 3-7, Sapporo, Japan.

Kim, D.H., Kim, J.Y., Kim, M.C., Quan, Y.J., Ahn, S.H., "Development direction of machining process and smart machining system using machine learning," KSPE 2018 Spring Conference, May 2018, Jeju, Korea

Quan, Y.J., Li, T., Ryu, J.H., Kim, M.S., Lee, H.T., Ahn, S.H., "Pattern Design of Flexible Nanocomposite Optical Diffraction Module using Focused Ion Beam (FIB) Process," Society for Computational Design and Engineering 2018 Winter Conference, January 2018, Korea

Quan, Y.J., Choi, I.G., Yu, J. H., Chu, W.S., Stephen M. Hsu and Ahn, S.H., 2017, "Microencapsulation of Phase Change Materials with Palmitic acid core and Polymethl Methacrylate (PMMA) shell for thermal energy storage system," The 7th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN 2017), November 14 - 17, Seoul, Korea.

Quan, Y.J., Choi, I.G., Yu, J. H., Chu, W.S., Stephen M. Hsu, Ahn, S.H., 2017, "Preparation and Characterization of Polymethyl methacrylate (PMMA) Microencapsulated Phase Change Materials by Solvent Evaporation Method," International Symposium on Green Manufacturing and Application (ISGMA 2017), June 27 - July 01, Gyeongju, Korea.

Quan, Y.J., Choi, I. G., Ryu, J. H., Chu, W. S., Ahn, S. H., "Fabrication of Microencapsulated Phase Change Materials by using Solvent Evaporation Method," KSPE 2017 Spring Conference, May 2017, Jeju, Korea

Kim, J. Y., Quan, Y.J., Lee, J.Y., Chu, W.S., Ahn, S.H., "Improving Solar Cell Performance by Reducing the Operating Temperature Using Phase Change Materials," KSPE 2017 Spring Conference, May 2017, Jeju, Korea

Quan, Y.J., Lee, H. T., Ahn, S. H., "Fabrication for Microencapsulated Phase Change Materials (MEPCMs) for High Efficient Thermal Energy Storage," KSPE 2016 Autumn Conference, October 2016, Yeosu, Korea

Quan, Y.J., Wang, W., Rodrigue, H., Song, S.H., Chu, W.S. and Ahn, S.H., "SMA-based soft twisting-bending coupled actuator and its application to active catheter," International Symposium on Green Manufacturing and Application (ISGMA 2015), June 23-27 2015, Qingdao, China.

Quan, Y.J., Lim, J. -Y., "A study for suck-back behavior of high-speed air-turbine dental handpiece." KSME Proceeding of the KSME Bioengineering conference, April 2014, Gyeongju, Korea