Phone
+1. 940. 369. 7027
E-mail
Jungkwun.Kim@unt.edu
Office
UNT Discovery Park
3940 North Elm Street, E255C
Denton, Texas 76207-7102

Publications

Refereed Journals:

 26. Sayemul Islam, Eungyoul Oh, Chaerin Jun, Jungkwun Kim, Won Seok Chang, Seunghyun Song, and Albert Kim, “Omni-Directional Ultrasonic Powering via Platonic Solid Receiver for mm-Scale Implantable Devices,” ACS Materials Letters 2023 5 (7), 1876-1885
DOI: 10.1021/acsmaterialslett.3c00121
 

25. Tan, Jun Ying, Yuankai Li, Faraz Chamani, Aabila Tharzeen, Punit Prakash, Balasubramaniam Natarajan, Rahul A. Sheth, Won Min Park, Albert Kim, Donghoon Yoon, and Jungkwun Kim. 2022. “Experimental Validation of Diffraction Lithography for Fabrication of Solid Microneedles” Materials 15, no. 24: 8934. 
https://doi.org/10.3390/ma15248934

24. A. Dhall, J. Y. Tan, M. J. Oh, S. Islam, J. Kim, A. Kim, G. Hwang, “A Dental Implant-on-a-Chip for 3D Modeling of Host-Material-Pathogen Interaction and Therapeutic Testing Platform,” Lab on a Chip, 2022 
DOI https://doi.org/10.1039/D2LC00774F

23. Myungjin Lee, Jungkwun Kim, Myung-Min Oh , Jin-Hui Lee, Channa B. Rajashekar, “Effects of Supplemental UV-A LEDs on the Nutritional Quality of Lettuce: Accumulation of Protein and Other Essential Nutrients,” Horticulturae 2022, 8(8), 680.
https://doi.org/10.3390/horticulturae8080680

22. Sabera Fahmida Shiba, Hyeongmin Jeon, Jong-Soo Kim, Jong-Eun Kim, Jungkwun Kim, “Development of Programmable UV-LED Microlithography System for 3D Microfabrication,”  Journal of Microelectromechanical Systems, October 2021.
DOI: 10.1109/JMEMS.2021.3120196

21. Jun Ying Tan, Albert Kim, and Jungkwun ‘JK’ Kim, “Modeling, Characterization, and Fabrication of Bell-tip Microneedle Array by Diffraction and Self-Aligned Lens Effects,” Appl Phys Lett, vol. 119, issue 2, July 2021. 
https://doi.org/10.1063/5.0055073

20. Jun Ying Tan, Mark Ciappesoni, Sung Jin Kim and Jungkwun ‘JK’ Kim, Fabrication and characterization of titanium-alloy 3D printed solenoid inductors and their sensor applications, Engineering Research Express, Volume 3, Number 2, May 2021.
https://doi.org/10.1088/2631-8695/ac008c

19. Sayemul Islam, Xiaolei Song, Eric T. Choi, Jungkwun Kim, Haijun Liu, Albert Kim, In vitro Study on Smart Stent for Autonomous Post-Endovascular Aneurysm Repair Surveillance,  IEEE Access, 21 May 2020. 
DOI: 10.1109/ACCESS.2020.2996506

18. Sabera Fahmida Shiba, Jun Ying Tan, Jungkwun ‘JK’ Kim, Multidirectional UV-LED Lithography using an Array of High-Intensity UV-LEDs and Tilt-Rotational Sample Holder for 3-D Microfabrication, Springer Micro and Nano Systems Letters, volume 8, Article number: 5,  20 April 2020
https://doi.org/10.1186/s40486-020-00107-y

17. Jun Ying Tan, Gyuhyeong Goh, Jungkwun ‘JK’ Kim, Timed-Development-and-Thermal-Reflow (TDTR) Process for Microlens Array of Projection Lithography, MDPI Micromachines, 2020, 11(3), 277
https://doi.org/10.3390/mi11030277

16. Sabera Fahmida Shiba , Hyeongmin Jeon , Jong-Soo Kim , Jong-Eun Kim , Jungkwun ‘JK’ Kim, 3D Microlithography using an Integrated System of 5-mm UV-LEDs with a Tilt-Rotational Sample Holder, MDPI Micromachines 2020, 11(2), 157
https://doi.org/10.3390/mi11020157

15. Jungkwun J. K. Kim, Hassan Al Thuwaini, Mohammad Almuslem, Photolithography of SU-8 microtowers for a 100-turn, 3-D toroidal microinductor, Micro and Nano Systems Letters 2018 6:14
https://doi.org/10.1186/s40486-018-0076-z

14. Yoontae Kim, Jin Won Kim, Jungkwun Kim, Moses Noh, A novel fabrication method of Parylene-based microelectrodes utilizing inkjet printing, Sensors and Actuators B 238 (2017) 862–870
https://doi.org/10.1016/j.snb.2016.07.122

13. Hongseok Yun, Jungkwun Kim, Taejong Paik, Lingyao Meng, Pil Sung Jo, J. Kikkawa, Cherie Kagan, Mark Allen, and Christopher Murray: Alternate current magnetic property characterization of nonstoichiometric zinc ferrite nanocrystals for inductor fabrication via a solution based process, Journal of Applied Physics, 119 (11), 2016, pp 113901-1-10
https://doi.org/10.1063/1.4942865

12. Jungkwun ‘JK’ Kim, Yong-Kyu ‘YK’ Yoon, Mark G. Allen, Computer Numerical Control (CNC) Lithography: Light-Motion Synchronized UV-LED Lithography for 3-D Microfabrication, submitted to Journal of Micromechanics and Microengineering, 26 (3), 2016, pp 1-10, (Cover image)
https://doi.org/10.1088/0960-1317/26/3/035003

11. Jooncheol Kim, Minsoo Kim, Jungkwun ‘JK’ Kim, and Mark G. Allen, ‘Solenoid micro inductors with anisotropic nano-laminated CoNiFe cores for high-frequency DC/DC power conversion’ Journal of Physics D: Applied Physics, 48(46), 2015, pp. 1-6.
DOI 10.1088/0022-3727/48/46/462001

10. Jungkwun ‘JK’ Kim, and Yong-Kyu ‘YK’ Yoon, ‘Fabrication of 3-D Millimeter-height Structures using Direct UV-lithography on Liquid State Photoresist for Simple and Fast Manufacturing,’ Journal of Micro/Nanolithography, MEMS, and MOEMS, 14(3), 2015, pp 0335041-8.
https://doi.org/10.1117/1.JMM.14.3.033504

9. Jungkwun ‘JK’ Kim, Cheolbok Kim, Mark G. Allen, and Yong-Kyu ‘YK’ Yoon, “Fabrication of 3D nanostructures by multidirectional UV lithography and predictive structural modeling,” Journal of Micromechanics and Microengineering, 25 (2), 2015, pp. 1-10.
DOI:10.1088/0960-1317/25/2/025017

8. Hongseok Yun, Xiyu Liu, Taejong Paik, Duraivelan Palanisamy, Jungkwun Kim, William D. Vogel, Art J. Viescas, Jun Chen, Georgia C. Papaefthymiou, James M. Kikkawa, Mark G. Allen, Christopher B. Murray, “Size and Composition Dependent Radio Frequency Magnetic Permeability of Iron Oxide Nanocrystals,” ACS Nano, 8 (12), 2014, pp. 12323–12337.
https://doi.org/10.1021/nn504711g

7. Jooncheol Kim, Jungkwun ‘JK’ Kim, Minsoo Kim, Florian Herrault, and Mark G. Allen, “Microfabrication of toroidal inductors integrated with nano laminate ferromagnetic metallic cores,” Journal of Micromechanics and Microengineering, 23(11), 2013, pp.1-9, (Cover image).
DOI 10.1088/0960-1317/23/11/114006

6. Jungkwun ‘JK’ Kim, Florian Herrault, Shannon Yu, Mark G. Allen, “Microfabrication of Air core power inductors with metal-encapsulated polymer vias” Journal of Micromechanics and Microengineering, 23(3), 2013, pp.1-7, (Cover image).
https://doi.org/10.1088/0960-1317/23/3/035006

5. Xuehong Yu, Minsoo Kim, Florian Herrault, Chang-Hyeon Ji, Jungkwun ‘JK’ Kim, Mark Allen, “Silicon-embedding approaches to 3-D toroidal inductor fabrication” Journal of Microelectromechanical Systems, 22(3), 2013, pp. 580-588.
doi: 10.1109/JMEMS.2012.2233718

4. Mark Allen, Mohammad Araghchini, Jun Chen, Jesus del Alamo, Vicky Doan-Nguyen, Gary DesGroseilliers, Daniel V. Harburg, Florian Herrault, Donghyun Jin, Jungkwun ‘JK’ Kim, Min Soo Kim, Jeffrey Lang, Christopher G. Levey, Seungbum Lim, Bin Lu, Christopher Murray, David Otten, Tomas Palacios, David J. Perreault, Daniel Piedra, Jizheng Qiu, John Ranson, Charles R. Sullivan, Min Sun, Xuehong Yu, and Hongseok Yun. “A Technology Overview of the ARPA-E PowerChip, Development Program” IEEE Transactions on Power Electronics: Special Issue on Power Supply on Chip, Transactions on Power Electronics, 28(9), 2013, pp. 4182-4201.
DOI: 10.1109/TPEL.2013.2237791

3. Kangsun Lee, Choong Kim, Youngeun Kim, Byungwook Ahn, Jaehoon Bang, Jungkwun ‘JK’ Kim, Rajagopal Panchapakesan, Yong-Kyu Yoon, Ji Yoon Kang, and Kwang Oh, “Microfluidic concentration-on-demand combinatorial dilutions,” Microfluidics and Nanofluidics, 11(1), 2011, pp.75-86.
https://doi.org/10.1007/s10404-011-0775-8

2. Jungkwun ‘JK’ Kim, Mark G. Allen and Yong-Kyu ‘YK’ Yoon, “Computer controlled dynamic mode multidirectional UV lithography for 3-D microfabrication,” Journal of Micromechanics and Microengineering, 21(3), 2011, pp. 1 – 14, (Cover image).
https://doi.org/10.1088/0960-1317/21/3/035003

1. Jungkwun ‘JK’ Kim, S. Y. Cha, T. S. Yun, Y. K. Yoon, “2.45 GHz inter-/intraboard wireless communication using a CPW-fed vertical bow-tie antenna,” Microwave and Optical Technology Letters, 51(1), 2009, pp.266-269.
https://doi.org/10.1002/mop.23988

Refereed Conference Proceedings:

59. Rawda Ahmed, Jun Ying Tan, Yuankai Li, Albert Kim, Donghoon Yoon, Crystal S. Shin, and Jungkwun ‘JK’ Kim, Advancing Drug Delivery with Pocket Microneedle Achieving Dual-drug Synchronization, 2024 IEEE 37th International Conference on Micro Electro Mechanical Systems (MEMS), Austin, TX, USA Jan. 2024

58. Jun Ying Tan, Malea Williams, Santosh Kumar Mandal, Anna Bottiglieri, Aabila Tharzeen, Rahul Sheth, Balasubramaniam Natarajan, Punit Prakash, and Jungkwun ‘JK’ Kim, Development of a Multi-modal Electrochemical sneinsing (MES) Device for Real-Time Monitoring of Tumor Microenvironment Parameters in Cancer Immunotherapy, 2024 IEEE 37th International Conference on Micro Electro Mechanical Systems (MEMS), Austin, TX, USA Jan. 2024

57. Sayemul Islam, Jun Ying Tan, Trisha Das Mou, Subhrodeep Ray, Haijun Liu, Jungkwun ‘JK’ Kim, and Albert Kim, 3D-Printable Self-powered Piezoelectric Smart Stent for Wireless Endoleaks Sensing,  2024 IEEE 37th International Conference on Micro Electro Mechanical Systems (MEMS), Austin, TX, USA Jan. 2024

56. A. Tharzeen, S. Munikoti, P. Prakash, J. Kim and B. Natarajan, A General Spatiotemporal Imputation Framework for Missing Sensor Data, 2023 IEEE Conference on Artificial Intelligence (CAI), Santa Clara, CA, USA, 2023, pp. 55-58
doi: 10.1109/CAI54212.2023.00032.

55. Jun Ying Tan, Sayemul Islam, Yuankai Li, Albert Kim, and Jungkwun ‘JK’ Kim, An Optimization of Perforation Design on a Piezoelectric-based Smart Stent for Blood Pressure Monitoring and Low-Frequency Vibrational Energy Harvesting , 2023 IEEE 36th International Conference on Micro Electro Mechanical Systems (MEMS), Germany, Jan. 2023

54. Sayemul Islam, Sumnoon Ahmed, Alanis Indira Santiago, Michael Domic,
Jungkwun Kim, Seung Hyun Song, and Albert Kim, Multifunctional 3D printed BaTiO3 Platonic Solids Package for Implantable Microdevices, Hilton Head Workshop 2022: A Solid-State Sensors, Actuators and Microsystems Workshop, June 5-9 2022, Hilton Head island, U.S..

53. Campbell, JY Tan, A. Santiago, JK. Kim, A. Kim, “Hydrogel Actuated Microneedle (HAM) Wound Patch, Hilton Head Workshop 2022: A Solid-State Sensors, Actuators and Microsystems Workshop, June 5-9 2022, Hilton Head island, U.S.

52. Yuankai Li, Jun Ying Tan, Rebecca Campbell, Won Min Park, Albert Kim, and Jungkwun ‘JK’ Kim, Ultra-Rapid Microfabrication of Hollow-well Microneedles by Diffraction Ultraviolet(UV) lithography, Hilton Head Workshop 2022: A Solid-State Sensors, Actuators and Microsystems Workshop, June 5-9 2022, Hilton Head island, U.S.

51. Jun Ying Tan, Yuankai Li, Punit Prakash, Bala Natarajan, and Jungkwun ‘JK’ Kim, Fabrication of Solid Microneedle using Multi-slit Diffraction UV Lithography, IEEE Int’l Conference on Nano/Micro Engineered & Molecular Systems (IEEE-NEMS 2022), April 14-17 2022, Virtual.

50. Sabera Fahmida Shiba, Jun Ying Tan, Cheolbok Kim, Sung Jin Kim, and Jungkwun Kim, “Ku-band Frequency Selective 3D Vertical Pillar Array,” The 21st International Conference on Solid-State Sensors, Actuators and Microsystems, June 20-25, 2021, Virtual.
DOI: 10.1109/Transducers50396.2021.9495417

49. Sabera Fahmida Shiba, Ke Wang, and Jungkwun ‘JK’ Kim, “Tiltable UV-LED Lithography for 3D Microfabrication,” The 21st International Conference on Solid-State Sensors, Actuators and Microsystems, June 20-25, 2021, Virtual.

48. Jun Ying Tan, Albert Kim, and Jungkwun ‘JK’ Kim, “Fabrication and Characterization of Hollow Microneedle array using Diffraction UV Lithography,”  The 21st International Conference on Solid-State Sensors, Actuators and Microsystems, June 20-25, 2021, Virtual.

47. Jun Ying Tan, Abdulfeta Ahmed, and Jungkwun ‘JK’ Kim, “In-house Fabrication of Solenoid Inductor and Multilayer Metal Core using 3D printing, Selective Electroless plating, Electroplating, and Pressing,” The 21st International Conference on Solid-State Sensors, Actuators and Microsystems, June 20-25, 2021, Virtual.

46. Sabera Fahmida Shiba, Jace Beavers, Diego Laramore, Bo Lindstrom, James Broyles, Corey Gaither, Tyler Hieber, and Jungkwun ‘JK’ Kim, UV-LED Lithography System and Characterization, IEEE Int’l Conference on Nano/Micro Engineered & Molecular Systems (IEEE-NEMS 2020), San Diego, USA, 27-30 Sept. 2020

45. Jun Ying Tan, Tae-soon Yun, Mohammad Almuslem, and Jungkwun ‘JK’ Kim, 3-D Printing Assisted Micromachined RF Patch Antenna, IEEE Int’l Conference on Nano/Micro Engineered & Molecular Systems (IEEE-NEMS 2020), San Diego, USA, 27-30 Sept. 2020

44. Jun Ying Tan, Myunhwan Ahn, Hassan Al-Thuwaini, Seong-O Choi, and Jungkwun ‘JK’ Kim, Diffraction Lithography for 3-D Microneedle Fabrication, The 33rd IEEE International Conference on Micro Electro Mechanical Systems, January 18 – 22, 2020 / C Vancouver, Canada

43. Jungkwun ‘JK’ Kim, “UV-LED Lithography for Millimeter-tall High-Aspect Ratio 3D Structures,” 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII, June 23-27, Berlin, Germany

42. Jungkwun ‘JK’ Kim, Hassan Al Thuwaini, Mohammad Almuslem, “H-line Transparency Analysis of Microlithography for Millimeter scale High-Aspect ratio SU-8 Structures,” The 32nd International Conference on Micro Electro Mechanical Systems, January 27 – 31, 2019 / Coex, Seoul, Korea

41. Jungkwun ‘JK’ Kim, “Fabrication of SU-8 Microtowers for a 100-turn Toroid Inductor,” IEEE-NEMS 2018, Singapore, April 22-26, 2018

40. Gyuhyeong Goh, Jun Ying Tan, Kyuseok ‘KS’ Lee, Yoontae Kim, and Jungkwun ‘JK’ Kim, “Modeling and Fabrication of Timed-Development-and-Thermal-Reflow (TDTR) Process for Microlens” IEEE-NEMS 2018, Singapore, April 22-26, 2018

39. Jungkwun ‘JK’ Kim, Y.K. Yoon, and M.G. Allen, “Double-side Exposure UV-LED CNC Lithography for Fine 3D Microfabrication,” IEEE-NEMS 2017, Los Angeles, California, USA April 9-12, 2017

38. Jungkwun ‘JK’ Kim, “Fabrication of Highly-Nanolaminated Metal Inductor Core by Pressing and Punching,” IEEE-NEMS 2017, Los Angeles, California, USA April 9-12, 2017

37. Jungkwun ‘JK’ Kim, Y.K. Yoon, T.C. Mier, and M.G. Allen” CNC-LITHOGRAPHY: Computer-controlled Multidirectional Light-motion Synchronized Lithography,” The 18th International Conference on Solid-State Sensors, Actuators and Microsystems, Transducer 2015, Anchorage, USA, June 21-25, 2015, pp. 1358-61.

36. Didi She, Melissa Tsang, Jungkwun ‘JK’ Kim, and Mark Allen “Immobilized Electrolyte Biodegradable Batteries for Implantable MEMS,” The 18th International Conference on Solid-State Sensors, Actuators and Microsystems, Transducer 2015, Anchorage, USA, June 21-25, 2015, pp.494-7
DOI: 10.1109/TRANSDUCERS.2015.7180968

35. Jooncheol Kim, Minsoo Kim, Jungkwun ‘JK’ Kim, and Mark G. Allen, “Solenoid Microinductors with Anisotropic Nanolaminated CoNiFe Cores for High-frequency DC-DC Power Conversion,” IEEE International Magnetics Conference, Beijing, China, May 11-15, 2015

34. Jungkwun ‘JK’ Kim, Yong-Kyu ‘YK’ Yoon, Mark Allen, “Nano-to-Millimeter scale UV lithography for 3D MEMS applications,” UKC2014, San Francisco, USA, Aug 6-9 2014 (Invited talk)

33. Xuehong Yu, Jungkwun ‘JK’ Kim, Florian Herrault, Mark Allen, “Silicon-Embedded Toroidal Inductors with Magnetic Cores: Design Methodology and Experimental Validation,” Applied Power Electronics Conference and Exposition (APEC 2014), March 15-19, 2014, pp. 763-767

32. Mohamad Araghchini, Xuehong Yu, Florian Herrault, Jungkwun ‘JK’ Kim, Mark G. Allen, Jeff H. Lang, Modeling, “Fabrication and Testing of Silicon-Embedded MEMS Toroidal Inductors”, The 13th International Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS), London, UK, December 3-6, 2013

31. Adac Armutlulu, Jungkwun ‘JK’ Kim, Minsoo Kim, Sue Ann Bidstrup Allen, and Mark Allen, “Nickel-Oxide-based Supercapacitors with High aspect ratio Concentric Cylindrical Electrodes,” The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, Barcelona, Spain June 16-20, 2013
DOI: 10.1109/Transducers.2013.6627060

30. Daniel Harburg, Rezwan Khan, Florian Herrault, Jungkwun ‘JK’ Kim, Christopher Levey, and Charles Sullivan, “On-chip RF Power Inductors with Nanogranular Magnetic Cores using Prism-assisted UV-LED Lithography,” The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, Barcelona, Spain June 16-20, 2013

29. Jizheng Qiu, Jungkwun ‘JK’ Kim, Xuehong Yu, Florian Herrault, Mark G. Allen and Charles R. Sullivan, “Low-Profile Toroidal Power Inductors Using Radial-Anisotropy Thin-Film Magnetic Materials,” Integrated Power Conversion and Power Management, Nov. 16 -18 2012, San Francisco, USA

28. Jungkwun ‘JK’ Kim, Florian Herrault, Xuehong Yu, Mark Allen “Microfabrication of Air Core Toroidal Inductor with Very High Aspect Ratio Metal-Encapsulated Polymer Vias,” The 12th International Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS), Atlanta, GA, USA, December 2-5, 2012, pp.30-33 (Oral presentation, acceptance rate: 31%).

27. Jungkwun ‘JK’ Kim, Adac Armutlulu, Seung-Joon Paik, Sue Ann Bidstrup Allen, Mark Allen, “A Fabric-Based Ni/Zn Battery Using A Microfiber Substrate And Separator,” The 12th International Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS), Atlanta, GA, USA, December 2-5, 2012, pp.371-374

26. Xuehong Yu, Mohamad Araghchini, Florian Herrault, Jungkwun ‘JK’ Kim, Jeffrey Lang, Mark Allen, “ Fabrication, modeling and performance analysis of silicon-embedded 3-D toroidal inductors,” The 12th International Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS), Atlanta, GA, USA, December 2-5, 2012, pp.58-61 (Oral presentation, acceptance rate: 31%)

25. Jooncheol Kim, Jungkwun ‘JK’ Kim, Minsoo Kim, Florian Herrault, and Mark Allen, “Integrated toroidal inductor with nano laminate metallic magnetic cores,” The 12th International Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS), Atlanta, GA, USA, December 2-5, 2012, pp. 18-21 (Oral presentation, acceptance rate: 31%).

14. Jungkwun ‘JK’ Kim, Seung-Joon Paik, Florian Herrault, Mark Allen, “UV-LED lithography for 3-D high aspect ratio microstructure patterning,” Hilton Head Workshop 2012:A Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head Island, June 3 – 7, 2012, pp. 481 – 484.

23. Xuehong Yu, Minsoo Kim, Florian Herrault, Chang-Hyeon Ji, Jungkwun ‘JK’ Kim, Mark Allen “ Silicon-embedded 3D toroidal air-core inductor with through-wafer interconnect for on-chip integration,” MEMS 2011. IEEE 25th International Conference, France, Paris, Jan. 2012, pp.325 – 328.

22. Xiaoyu Cheng, Jun Shi, Jungkwun ‘JK’ Kim, Cheolbok Kim, David Senior, Yong-Kyu Yoon “A Compact Self-Packaged Patch Antenna Folded in Rectangular Waveguide Shape,” 2011 IEEE AP-S International Symposium on Antennas and Propagation and 2011 USNC/URSI National Radio Science Meeting, Washington, USA, July, 2011, pp. 888-890. (Awarded as Honorable Mention)

21. Jungkwun ‘JK’ Kim, Xiaoyu Cheng, David E.Senior, Mark G. Allen, Yong-Kyu ‘YK’ Yoon, “Three-dimensional nanoscale fabrication and modeling of dynamic mode multidirectional UV lithography,” The 16th International Conference on Solid-State Sensors, Actuators and Microsystems, June 5-9, 2011, Beijing, China, pp. 1737 – 1740. (Oral presentation, Acceptance rate: 12%)

20. Jungkwun ‘JK’ Kim, Pitfee Jao, Cheolbok Kim, Yong-Kyu ‘YK’ Yoon, “Dispense and self-planarization process on a modified surface for multiple height 3-D microfabrication,” The 16th International Conference on Solid-State Sensors, Actuators and Microsystems, Beijing, China, June 5-9, 2011, pp 1372 – 1375.

19. David Elles Senior, Xiaoyu Cheng, Pitfee Jao, Cheolbok Kim , Jungkwun ‘JK’ Kim, Yong-Kyu ‘YK’ Yoon, “Wireless passive sensing application using a cavity loaded evanescent wave half mode substrate integrated waveguide resonator,” The 16th International Conference on Solid-State Sensors, Actuators and Microsystems, Transducer 2011, Beijing, China, June 5-9, 2011, pp. 2014 – 2017

18. Xiaoyu Cheng, David Senior, Jungkwun ‘JK’ Kim, Pitfee Jao, Yong-Kyu ‘YK’ Yoon, “Corrugated Substrate Integrated Waveguide with Dual Band non-Bragg Resonance,” IEEE Microwave Theory & Techniques Society (MTT-S) International Microwave Symposium (IMS 2011), Baltimore, Maryland, June 5-11, 2011, pp. 1 – 4.

17. Xiaoyu Cheng, David Senior, Cheolbok Kim, Jungkwun ‘JK’ Kim, Jun Shi, Yong-Kyu Yoon, “Compact Self-Packaged Active Folded Patch Antenna with Omni-directional Radiation Pattern,” 61th Electronic Components and Technology Conference (ECTC), Lake Buena Vista, Florida, USA, May 31 – June 3, 2011, pp. 1041 – 1046.

16. Jungkwun ‘JK’ Kim, Yong-Kyu ‘YK’ Yoon, “Fabrication of Three-Dimensional Nano-Structures by Dynamic Mode Multidirectional UV Lithography for THz Selective Surface Applications,” NSF Engineering Research and Innovation Conference, Atlanta, Georgia, Jan 4-7 2011.

15. Kangsun Lee, Choong Kim, Youngeun Kim, Byungwook Ahn, Jaehoon Bang, Jungkwun ‘JK’ Kim, ‘YK’ Yong-Kyu Yoon, Ji Yoon Kang and Kwang W. Oh, “Microfluidic network-based combinatorial dilution device with an initial concentration controller,” uTAS, The 14th International Conference on Miniaturized Systems for Chemistry and Life Sciences, Groningen, Netherlands, 3 – 7 Oct. 2010.

14. Cheollbok Kim, Hyochun Ahn, Jungkwun ‘JK’ Kim, Xiaoyu Cheng and Yong-Kyu Yoon, “A Compact 5GHz WLAN Notched Bluetooth/UWB Antenna,” 2010 IEEE International Symposium on Antennas and Propagation and CNC/USNC/URSI Radio Science Meeting, Toronto, Ontario, Canada, July 11-17 2010, pp. 1 – 4.

13. Xiaoyu Cheng, David E. Senior, Pitfee Jao, Jungkwun ‘JK’ Kim, James J. Whalen and Yong-Kyu Yoon, “Non-Bragg Resonance in Substrate Integrated Waveguide,” 2010 IEEE International Symposium on Antennas and Propagation and CNC/USNC/URSI Radio Science Meeting, Toronto, Ontario, Canada, July 11-17, 2010.

12. Hyochun Ahn, Cheolbok Kim, Jungkwun ‘JK’ Kim, David S. Elles, and Yong-Kyu (‘YK’) Yoon, “Electromechanically Steerable Directional Antenna with Floating Pillar Array,” 2010 IEEE International Symposium on Antennas and Propagation and CNC/USNC/URSI Radio Science Meeting, Toronto, Ontario, Canada July 11-17 2010.

11. Jungkwun ‘JK’ Kim, Hyo Chun Ahn, Xiaoyu Cheng, Kyoung Tae Kim, Gwan Ha Kim and Yong-Kyu ‘YK’ Yoon, “Fabrication of multiple height microprobes using UV lithography on timed-development-and-thermal-reflowed photoresist,” Hilton Head Workshop 2010:A Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head Island, June 6 – 10, 2010, pp. 202 – 205.

10. Jungkwun ‘JK’ Kim, Kangsun Lee, Hongsub Jee, Kwang W. Oh, and Yong-Kyu ‘YK’ Yoon, “Fabrication of multiple height microstructures using UV lithography on timed-development-and-thermal-reflowed photoresist,” Micro Electro Mechanical Systems, 2010. MEMS 2010. IEEE 23rd International Conference, Hong Kong, China, Jan. 2010, pp. 376-379.

9. Jungkwun ‘JK’ Kim, Xiaoyu Cheng, Hyochun Ahn, David Senor Elles, and Yong-Kyu ‘YK’ Yoon, “Lithographically defined integrable air-lifted BOW-TIE antennas,” Micro Electro Mechanical Systems, 2010. MEMS 2010. IEEE 23rd International Conference, Hong Kong, China, Jan. 2010, pp. 791-794.

8. Gwan-Ha Kim, Eric Kozarsky, Hongsub Jee, Kyoung-Tae Kim, Jungkwun ‘JK’ Kim, Esther Takeuchi, and Yong-Kyu Yoon, “Carbon Nanotube Embedded Three Dimensional (3-D) Carbon Microelectrodes for Rechargeable Microbatteries,” AVS 56th International Symposium and Exhibition, Boston, USA, Nov. 2009.

7. Jungkwun ‘JK’ Kim, J. Y. Yang, M. M. Slaughter, Gloria Kim and Yong-Kyu ‘YK’ Yoon, “Tripod Honeycomb Shape Scaffold for Retina Cell Culture by Dynamic Mode Multidirectional UV Lithography,” AVS 56th International Symposium and Exhibition, Boston, USA, Nov. 2009

6. Jungkwun ‘JK’ Kim, Kangsun Lee, Kwang W. Oh and Yong-Kyu ‘YK’ Yoon, “Microfabrication of rounded channel and waveguide integrated microlens using timed development and thermal reflow process,” uTAS, the 13th international conference, Jeju, Korea, Nov 2009, pp. 1365-1367, (Oral presentation, acceptance rate: 6.5%)

5. Yong-Kyu Yoon, Jungkwun ‘JK’ Kim and Gloria Kim, “Computer-controlled Multidirectional Ultraviolet Lithography for Integrated Microsystems,” NSF Engineering Research and Innovation Conference, Honolulu, Hawaii, June 2009

4. Jungkwun ‘JK’ Kim, Tae-Soon Yun, Hongsub Jee, and Yong-Kyu ‘YK’ Yoon, “Adjustable refractive index method for complex microstructures by automated dynamic mode multidirectional UV lithography,” Micro Electro Mechanical Systems, 2009. MEMS 2009. IEEE 21st International Conference, Sorrento, Italy, Jan. 2009, pp. 733 -736.

3. Jungkwun ‘JK’ Kim, and Yong-Kyu ‘YK’ Yoon, “Dynamic mode Multidirectional UV Lithography with Liquid state Photoresist,” AVS 55th International Symposium and Exhibition, Boston, USA, Nov. 2008.

2. Sungyoung Cha, Tae-soon Yun, Jungkwun ‘JK’ Kim, and Yong-Kyu Yoon, “Pillar Array-type Parabolic Reflector Antenna Driven by Air-lifted Monopole Fed by CB-CPW for 2.4 GHz Applications,” IEEE AP-S International Symposium and USNC/URSI National Raid Science Meeting, July, 2008

1. Jungkwun ‘JK’ Kim, M.G. Allen, and Yong-Kyu ‘YK’ Yoon, “Automated dynamic mode multidirectional UV lithography for complex 3-D microstructures,” MEMS 2008. IEEE 21st International Conference, Tucson, AZ, USA, 13-17 Jan. 2008, pp.399-402.

Patent/Filing:

4. [Invention disclosure] Light diffraction driven photopolymerization for 3D harmonic microcone fabrication, invention disclosure submitted on Oct. 12 2019

3. [US-Patent] 3D Microlithography-Printing System using Tilting and Rotational UV-LED, applied on 5/14/2019, approved on Dec. 10 2019 (Patent No. US.10,503,080 B1)

2. [China-Patent (Pending)] 3D Microlithography-Printing System using Tilting and Rotational UV-LED, submitted 5/9/2019, ref: OP19-0149-CN ,currently pending

1. [Korea-Patent (Pending)] 3D Microlithography-Printing System using Tilting and Rotational UV-LED, 4/11/2019, ref: 10-2019-0042115

Invited Talk:

5. Invited talk, GT Day: Global Technology Cooperation Forum, Dec. 12, 2019, Seoul, Korea

4. Invited talk,  the 5th International Conference on Advanced Electromaterials (ICAE 2019), Nov. 5 – 8, Jeju, Korea

3. Keynote Speaker, GT Day: Global Technology Cooperation Forum, Nov. 16-17 2017, Seoul, South Korea
     – Development of 3D UV-LED System for 3D Microprinting

2. Keynote Speaker, GT Day: Global Technology Cooperation Forum, Nov. 17-18 2016, Seoul, South Korea
     – Development of Compact High-efficiency Inductors for Wearable and Smart Devices

1. Lecture: Y-prize Competition sponsored by Wharton school, Mack Institute, Penn Engineering, and Penn Center for Innovation, Oct. 6, 2014, Wharton school, Philadelphia, PA
     – Title: Fast charging batteries
     – Posted at Philadelphian Daily newspaper: http://issuu.com/dailypenn/docs/10_07

Service:

6. Editor: Springer, Transactions on Electrical and Electronic Materials since 2020

5. Editorial Manager: Springer, Micro and Nano Systems Letters since 2019

4. Topic Editor: Frontier, in Micro-/Nano-Systems for Bioengineering and Biotechnology since 2018

3. Session Chair, the 5th International Conference on Advanced Electromaterials (ICAE 2019), Nov. 5 – 8, Jeju, Korea

2. Session Chair, UKC 2019, Aug. 14-17 2019, Chicago
     – Electrical, Electronics and Communications (EEC): Microelectronics

1. Session Chair, UKC 2017, Aug. 9-12 2017, Washington D.C.
     – Electrical, Electronics and Communications (EEC): Microelectronics