[53]  Jang, K.H., Min, S.H., Lee, H.T., Ahn, S.H., 2017, "Encapsulation in microscale using focused ion beam induced 4D printing of PMMA shell," 43rd International Conference on Micro and Nanoengineering (MNE 2017), September 18-22, INL, Braga, Portugal..


[52]  Ahn, S.H.,Caroline SunyoungLee, ChulKi Song , Mun, J.W.,Kim, M.S.,Min, S.H.,Poudel, S.R. and 15 others, 2017, "Electrification of the Alpine Villages in Nepal," International Conference on Energy and Sustainability 2017 (ICES 2017), August 9-12, Nelson Mandela African Institution of Science and Technology Arusha, Tanzania.


[51]  Ahn, S.H., Choi, J.O., Lee, H.T., Song, J.H., Kim, M.S., Yoon, H.S. and Suk-Won Cha, 2017, "Effect of laser-excited ceramic nanoparticles on hardness and porosity of dry-sprayed coating," 67th CIRP General Assembly, CIRP, August 20-26, Lugano, Switzerland, Part I presentation.


[50]  Min, S.H., Lee, G.Y., Lee, H.T., Kim, H.J. and Ahn, S.H., 2017, "Fabrication of Piezoelectric Energy Harvester using Nano Particle Deposition System (NPDS)," International Symposium on Green Manufacturing and Applications (ISGMA2017), Korean Society for Precision Engineers (KSPE), June 27 ~ July 1, Hwabaek International Convention Center, Gyeongju, Korea..


[49]  Lee, H.T., Lee, G.Y., and Ahn, S.H., 2017, "Actuation of Microscale Shape Memory Alloy Structure with Ion Beam Induced Heating Method," International Symposium on Green Manufacturing and Applications (ISGMA2017), Korean Society for Precision Engineers (KSPE), June 27 ~ July 1, Hwabaek International Convention Center, Gyeongju, Korea..


[48]  Lee, H.T., Bilegt, E. and Ahn, S.H., 2017, "Fabrication and Evaluation of Micro-Cutting Tools for Localized Planarization," The 10th MIRAI Conference on Microfabrication and Green Technology, June 28, Hwabaek International Convention Center, Gyeongju, Korea..


[47]  Kim, J.S., Choi, I.G.,Park, S.I., Chun, D.M., Lee, C.S., Chu, W.S. and Ahn, S.H., 2017, "Effect of thermal treatment about NPDS (Nano Particle Deposition System) for electrochromic window," International Symposium on Green Manufacturing and Applications (ISGMA2017), Korean Society for Precision Engineers (KSPE), June 27(Tue) ~ July 1(Sat), 2017, Hwabaek International Convention Center, Gyeongju, Korea./span>.


[46]  Lee, K.I., Lee, J.Y., Lee, H.T., and Ahn, S.H., 2017, "Effect of nozzle temperatrue on supplement characteristics of FIB (Focused Ion Beam) gas injection system," International Symposium on Green Manufacturing and Applications, ISGMA 2017, June 27~July 1, Gyeongju, Korea ..


[45]  Song, J.H., Lee, H.T., Kim, M.S., Wang, Y., Ahn, S.H., 2017, "Control of Thin Film Porosity in Nano Particle Deposition System using Novel Laser Sintering Process," International Symposium on Green Manufacturing and Applications (ISGMA) 2017, Korean Society of Precision Engineering and etc., June 27 ~ July 1, Hwabaek International Convention Center (HICO), Gyeongju, Korea..


[44]  Lee, G.Y., Kim, M.S., Yoon, H.S., Jinkyu Yang, Jeong-Beom Ihn,and Ahn, S.H. , 2017, "Direct printing of strain sensors via nanoparticle printer for the applications to composite structural health monitoring," 1st CIRP Conference on Composite Materials Parts Manufacturing (CIRP CCMPM 2017), The International Academy for Production Engineering (CIRP), June 8-9, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany..


[43]  Lee, G.Y., Ahn, S.H., Kim, M.S., Lee, H.T., Yoon, H.S., 2017, "Nanoparticle 3D printer," The 7th International Conference on Manufacturing, Machine Design and Tribology, The Korean Society of Mechanicla Engineers, April 19-22, Ramada Plaza Jeju Hotel, Jeju island, Korea..


[42]  Song, J.H., Ahn, S.H., Wang, Y., 2017, "Molecular Dynamics Study of Nanoparticles Sintering in Laser Assisted Deposition Process ," 4th World Congress on Integrated Computational Materials Engineering (ICME 2017), The Minerals, Metals & Materials Society, May 21-25, Marriott Ann Arbor Ypsilanti at Eagle Crest, Ypsilanti, Michigan, USA..


[41]  Ahn, S.H., Choi, J.O., Yoon, H.S., Lee, G.Y., Lee, H.T., 2016, "Direct patterning of pre-excited nanoparticles by nanosecond pulsed laser," CIRP STC S meeting, CIRP, August 25, Guimaraes, Portugal (Scientific Technical Committee meeting)..


[40]  Lee, G.Y., Lee, H.T., Kim, H.S., Ahn, S.H., Ryu, W., and Yang, J., 2016, "Direct Printing of Stretchable and Transparent Thin Film via Melt Electrospinning," International Symposium on Green Manufacturing and Applications (ISGMA) 2016, Korean Society of Precision Engineering and etc., June 21~25, Bali Nusa Dua Convention Center, Bali, Indonesia..


[39]  Lee, H.T., Kim, H.J., Ahn, S.H. , 2016, "In-situ Micromechanical Characterization of Beetle Shell Biocomposite in FIB System," International Symposium on Green Manufacturing and Applications (ISGMA) 2016, Korean Society of Precision Engineering and etc., June 21~25, Bali Nusa Dua Convention Center, Bali, Indonesia..


[38]  Lee, K.I., Lee, J.Y., Kim, J.S., and Ahn, S.H., 2016, "Effective precursor flow rate for thermal CVD using gas injection system," International Symposium on Green Manufacturing and Applications (ISGMA) 2016, Korean Society of Precision Engineering and etc., June 21~25, Bali Nusa Dua Convention Center, Bali, Indonesia..


[37]  Song, J.H., Choi, K.H., Dai, R., Choi, J.O., Ahn, S.H., and Wang, Y., 2016, "Controlled Kinetic Monte Carlo Simulation of Laser Sintering in Nano Particle Deposition Systems," Manufacturing Science and Engineering Conference 2016 (MSEC 2016), American Society of Mechanical Engineers (ASME), June 27- July 1, Virginia Tech, Blacksburg, VA, USA..


[36]  Yoon, H.S., Kim, H.J., Lee, G.Y., Kim, M.S., Kim, H.S., and Ahn, S.H., 2016, "Direct printing of strain gauge sensor using nanoparticles onto carbon fiber reinforced palstic (CFRP)," The 10th Asian-Australasian Conference on Composite Materials (ACCM-10), October 16-19, Bexco, Busan, Korea. .


[35]  Lee, G.Y., Yoon, H.S., Kim, M.S., Yang, J., and Ahn, S.H., 2016, "Direct writing of nanoparticles via aerodynamically focused nanoparticle (AFN) printing," International Symposium on Green Manufacturing and Applications (ISGMA) 2016, Korean Society of Precision Engineering and etc., June 21~25, Bali Nusa Dua Convention Center, Bali, Indonesia..


[34]  Yoon, H.S., Jang, K.H., Kim, E.S., Lee, H.T., and Ahn, S.H., 2016, "Design and evaluation of micro cantilevers fabricated using nanoscale 3D printing system," International Symposium on Green Manufacturing and Applications (ISGMA) 2016, Korean Society of Precision Engineering and etc., June 21~25, Bali Nusa Dua Convention Center, Bali, Indonesia..


[33]  Ahn, S.H., Yoon, H.S., Jang, K.H., Kim, E.S., Lee, H.T., Lee, G.Y., Kim, C.S., Cha, Suk-Won, 2015, "Nanoscale 3D printing process using aerodynamically focused nanoparticle (AFN) printing, micro-machining, and focused ion beam (FIB)," 65th CIRP General Assembly, CIRP, August 23-29, Cape Town, South Africa, Part I presentation..


[32]  Song, J.H., Choi, K.H., Dai, R., Choi, J.O., Ahn, S.H., Wang, Y., 2015, "Simulation of Laser Assisted Nano Particle Deposition," The 3rd Annual Industry Partners Symposium 2015, Georgia Tech Manufacturing Institute (GTMI), November 10, Georgia Tech, Atlanta, Ga, USA..


[31]  Choi, J.O., Ahn, S.H., Song, D.S., 2015, "Evaluation of Deposited Al2O3 Material on Sapphire Wafer using Laser Assisted Nano Particle Deposition System," International Symposium on Green Manufacturing and Applications (ISGMA) 2015,Korean Society of Precision Engineering and etc., June 23~27, Shangri-La Hotel, Qingdao, China..


[30]  Lee, H.T., Jang, K.H., Kim, H.J., Kim, C.S., Ahn, S.H., 2015, "Twisting Motion test of Shape Memory Alloy-Micro Wire with Focused Ion Beam and Nanomanipulation system," International Symposium on Green Manufacturing and Application (ISGMA 2015), Korean Society of Precision Engineering(KSPE), June 23-27, Qingdao, China., Best Poster Award..


[29]  Lee, K.I., Lee, H.T., Lee, J.Y., and Ahn, S.H., 2015, "Simulation of the Local CVD Using Nozzle Based Gas Injection System," International Symposium on Green Manufacturing and Application (ISGMA 2015), Korean Society of Precision Engineering(KSPE), June 23-27, Qingdao, China..


[28]  Yoon, H.S., Kim, E.S., Jang, K.H., Lee, G.Y., and Ahn, S.H., 2015, "Direct Patterning of Micro Conductive Line using AFN Printing," International Symposium on Green Manufacturing and Applications (ISGMA) 2015, Korean Society of Precision Engineering and etc., June 23~27, Shangri-La Hotel, Qingdao, China. .


[27]  Kim, E.S., Yoon, H.S., Lee, J.Y., Kim, M.S., Shin, Y.J., Ahn, S.H., Min, S.K., David Dornfeld, 2015, "Acceleration and Deceleration Characteristics of Power Consumption on Machine Tool Feed Drive," The 8th International Conference on Leading Edge Manufacturing in 21st Century, October 18-22, Kyoto Research Park, Kyoto, Japan..


[26]  Yoon, H.S., Jang, K.H., Kim, E.S., Lee, H.T., Park, H., Kim, D.W., Kim, C.S., Lee, G.Y., Lee, K., and Ahn, S.H., 2015, "CAD/CAM and design for manufacturing (DFM) rules for novel 3D nanoscale printing process," 4th International Conference on Virtual Machining Process Technology (CIRP sponsored conference), CIRP, NSERC CANRIMT (Canadian Network for Research and Innovation in Machining Technology), June 2-5, Vancouver, Canada..


[25]  Pandey, J. K., Sera Jeon, Lee, H. T., Ahn, S. H., 2013, "Surface anchored graphene oxide (GO) on bacterial cellulose (BC)," 4th International conference on bio-based polymers, Sept.25-28, Hanyang Instiute of Technology, Seoul, Korea.


[24]  Pandey, J. K., Kim, C. S., Choi, J. O., Lee, H. T., Chu, W. S., Dong-Young Jang, Ahn, S. H., 2013, "Bio-inspired deposition of nano-particels on the glass surface for dye sensitized solar cell (DSSC)," International Symposium on Green Manufacturing and Application (ISGMA 2013)


[23]  Ahn, S. H., Kim, C. S., Lee, G. Y., Chun, D. M., C. S. Lee, J. Jeong and D.-Y. Jang, 2013, "Nanostructured Surface by Nano Particle Deposition System: Method and Mechanism," 63th General Assembly in Conpenhagen, Denmark August 18-24, Part II presentation.


[22]  Kim, C. S., Lee, G. Y., Choi, J. O., Lee, H. T., Park, J. I., Yoon, H. S., Ahn, S. H., Jang, Dong-Young, 2013, "Fabrication and Actuation of Smart Functional Nanostructure by Focused Ion Beam with 4-Axes Nanomanipulator," International Symposium on Green Manufacturing and Application (ISGMA 2013), Korean Society of Precision Engineering and etc., June 25-29, Ohau, Hawaii, USA.


[21]  Ahn, S. H., Choi, J. O., Kim, C. S., Lee, G. Y., Lee, H. T., Kyujin Cho, Chun, D. M., C. S. Lee, 2012, "Laser-assisted nano particle deposition system and its application for dye sensitized solar cell fabrication," 62nd CIRP General Assembly, CIRP, August 19-25, Hong Kong, China, Part I presentation.


[20]  Choi, J. O., Kim, C. S., Lee, G. Y., Lee, H. T., C. S. Lee, Ahn, S. H., 2012, "FABRICATION OF FLEXIBLE DYE SENSITIZED SOLAR CELL USING LASER ASSISTED NANO PARTICLE DEPOSITION SYSTEM," Asia-Pacific Forum on Renewable Energy 2012, 26th~29th November, 2012, Lotte Hotel, Jeju Island, Korea


[19]  Choi, J. O., Kim, C. S., Lee, G. Y., Lee, H. T., Lee, C.S., Ahn, S. H., 2012, "Influence of Laser Sintering Treatment on Flexible Dye-sensitized Solar Cell Fabricate by Nano Particle Deposition System," International Symposium on Green Manufacturing and Applications (ISGMA 2012), Korean Society of Precision Engineering, August 27-29, Jeju, Korea


[18]  Kim, C. S., Choi, J. O., Lee, H. T., Jiseong Lee, Park, J. I., Dong-Young Jang, Khare, V., Ahn, S. H., 2012, "Green Synthesis of Self-Assembled Graphene-like Nanoparticles by Ionic Liquid," International Symposium on Green Manufacturing and Applications (ISGMA 2012), Korean Society of Precision Engineering, August 27-29, Jeju, Korea


[17]  Lee, G. Y., Kim, C. S., Choi, J. O., Lee, H. T. and Ahn, S. H., 2012, "Direct Pattern Writing of Tin Particles using Nano Particle Deposition System (NPDS)," International Symposium on Green Manufacturing and Applications (ISGMA 2012), August 27-29, Jeju, Korea.


[16]  Kahp-Yang Suh*, Changhyun Pang, Lee, G. Y., Tae-il Kim, Sang Moon Kim, Hong Nam Kim, Ahn, S. H., Chanseok Lee, Daeshik Kang and Won Gyu Bae, 2012, "Bio-inspired reversible mechanical interlocking of nanofibers for skin-attachable sensors," EU-Korea Conference on Science and Technology (EKC2012), Korean Scientists and Engineers Association Germany (VeKNI) and the Korean Federation of Science and Technology Societies (KOFST), July 26-28, Estrel Hotel, Berlin, Germany.


[15]  Choi, J. O.,Lee, G. Y.,Kim, C. S.,Kim, D. H.,Kim, M. S.,Chun, D. M.,C.S. Lee,Ahn, S. H., 2011, "Dye-sensitized solar cell (DSSC) with TiO2 multilayer fabrication by nano particle deposition system (NPDS)," The 18th International Conference on Composite Materials (ICCM18), The Korean Society of Composite Materials (KSCM), August 21-26, 2011, ICC Jeju, Jeju island, Korea.


[14]  Chun, D. M., Kim, C. S., Choi, J. O., Caroline Sunyong Lee, Ahn, S. H., 2011, "Metal and Ceramic Multi-layer Deposition at Room Temperature using Nano-Particle Deposition System (NPDS)," 4th International Conference of Asian Society for Precision Engineering and Nanotechnology, November 16-18, Langham Place Hong Kong Hotel, Hong Kong, China., Best Paper Award.


[13]  Chun, D. M.,Kim, C. S.,Kim, H. J.,Choi, J. O.,Kim, D. H.,Jiseong Lee,Dong-Young Jang,Ahn, S. H., 2011, "Design for Energy Saving in Scan Controlled Focused Ion Beam Processing," International Symposium on Green Manufacturing and Applications (ISGMA 2011) , 6-7 October , Seoul National University ,Seoul , Korea 


[12]  Chun, D. M., Choi, J. O., Lee, G. Y., Ahn, S. H.*, 2011, "Fabrication of semi-conductive oxide layer on polymer substrate for dye-sensitized solar cell using nano particle deposition system and laser treatment," International Symposium on Green Manufacturing and Applications (ISGMA 2011) October 6~7, 2011 Seoul National University, Seoul, KOREA


[11]  Chun, D. M., Kim, H. J., Yoon, H. S., Song, S. H., Ahn, S. H.*, 2011, "Study of multi-dimensional design approach for simultaneous consideration of functional and environmental requirements based on multiple criteria decision making," International Symposium on Green Manufacturing and Applications (ISGMA 2011), Korean Society of Precision Engineering and Manufacturing (KSPE) and etc., October 6-7, Seoul National University, Seoul, KOREA


[10] Kim, C. S., Kim, H. J., Lee, G. Y., Kim, D. H., Choi, J. O., Dong-Young Jang and Ahn, S. H., 2011, "Design for Nanomanufacturing (DFnM) of Focused Ion Beam (FIB) Process," Tsinghua University, June 7-8, Beijing, China, Excellent Poster Award


[9]  Kim, C. S., Chun, D. M., Choi, J. O., Lee, G. Y., Kim, D. H., and Ahn, S. H., 2011, "Characterization of Room Temperature Nanoparticle Deposition on Patterned Substrate," The 2nd International Symposium on Hybrid Materials and Processing (HyMap 2011), National Core Research Center for Hybrid Materials Solution, Pusan National University, Busan, Korea ,October 27-29, Busan, Korea .


[8]  Ahn, S. H., Chun, D. M., Kim, C. S., 2011, "Nanoscale Hybrid Manufacturing Process by Nano Particle Deposition System (NPDS) and Focused Ion Beam (FIB)," 61st CIRP General Assembly, CIRP, August 21-27, Budapest, Hungary, Part I presentation. 


[7]  Choi, J. O.,Lee, G. Y.,Kim, C. S.,Kim, D. H.,Kim, M. S.,Chun, D. M.,C.S. Lee,Ahn, S. H., 2011, "Dye-sensitized solar cell (DSSC) with TiO2 multilayer fabrication by nano particle deposition system (NPDS)," The 18th International Conference on Composite Materials (ICCM18), The Korean Society of Composite Materials (KSCM), August 21-26, 2011, ICC Jeju, Jeju island, Korea.


[6]  Kim, C. S., Kim, H. J., Lee, G. Y., Kim, D. H., Choi, J. O., Dong-Young Jang and Ahn, S. H., 2011, "Design for Nanomanufacturing (DFnM) of Focused Ion Beam (FIB) Process," Tsinghua University, June 7-8, Beijing, China, Excellent Poster Award.


[5]  Kim, Y.H., Kim, K.S., Cho, D.G., Kim, M. S., Chun, D. M., Lee, J. C., Ahn, S. H., and Lee, C.S.*, 2010, "Investigation of photovoltaic efficiency of dye sensitiezed solarcell fabricated by Nano Particle Deposition System (NPDS) bt varying thickness of sealing sheets," 2010 Materials Research Society fall meeting, November 29-December 3, Boston, MA, US


[4]  Kim, Y.H., Kim, K.S., Cho, D.G., Kim, M. S., Chun, D. M., Lee, J. C., Ahn, S. H., and Lee, C.S*, 2010, "Fabrication of Different Particle Size of TiO2 for Dye-Sensitized Solar Cell (DSSC) Using Nano Particle Deposition System (NPDS)," ENGE 2010 International Conference on Electronic Materials and Nanotechology for Green Environment, November 21-24, 2010, Ramada Plaza Jeju Hotel, Jeju Island, Korea.


[3]  Kim, M. S., Chun, D. M., Lee, J. C., Kim, Y.H., Kim, K.S., Caroline Sunyong Lee, Ahn, S. H.*, 2010, "Dry-spray deposition of TiO2 for flexible dye-sensitized solar cell (DSSC) using nano particle deposition system (NPDS)," ENGE 2010 International Conference on Electronic Materials and Nanotechology for Green Environment, November 21-24, 2010, Ramada Plaza Jeju Hotel, Jeju Island, Korea.


[2]  Kim, Y.H., Kim, K.S., Cho, D.G., Kim, M. S., Chun, D. M., Lee, J. C., Ahn, S. H., and Lee, C.S.*, 2010, "Investigation of photovoltaic efficiency of dye sensitiezed solarcell fabricated by Nano Particle Deposition System (NPDS) bt varying thickness of sealing sheets," 2010 Materials Research Society fall meeting, November 29-December 3, Boston, MA, US.


[1]  Kim, C. S., Kim, H. J., Ahn, S. H.*, and Jang, Dong-Young, 2010, "Formation of Ultra Precision Microstructure on a Sapphire by Scan Controlled Focused Ion Beam," 7th International Worshop on Microfactories, (IWMF2010, KSPTE, KSPE), October 24-27, Daejeon Convention Center, Daejeon, Korea.


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