Updated on 2025/10/22

写真a

 
KIM BYUNGGI
 
Organization
School of Engineering Assistant Professor
Title
Assistant Professor
External link

Research Areas

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Thermal engineering  / Laser microprocessing, Nanoscale heat transfer, Thermoreflectance

  • Nanotechnology/Materials / Optical engineering and photon science  / Optomechanics, Ultrafast optics, High harmonic generation

  • Nanotechnology/Materials / Nanostructural physics  / Phononic crystal, Topological phononics, Phonon engineering

Education

  • Tokyo Institute of Technology   Graduate School of Science and Engineering   Department of Mechanical and Control Engineering

    2014.9 - 2017.3

    　 More details

  • Tokyo Institute of Technology   Graduate School of Science and Engineering   Department of Mechanical and Control Engineering

    2013.4 - 2014.9

    　 More details

  • Tokyo Institute of Technology   School of Engineering   Department of Mechanical Engineering and Science

    2009.4 - 2013.3

    　 More details

    Country： Japan

    researchmap

Research History

  • Japan Science and Technology Agency   PRESTO Researcher

    2025.10

    　 More details

  • Institute of Science Tokyo   School of Engineering   Assistant Professor

    2024.10

    　 More details

  • Tokyo Institute of Technology   School of Engineering   Assistant Professor

    2024.4 - 2024.9

    　 More details

  • The University of Tokyo   Institute of Industrial Science   Project research associate

    2021.10 - 2024.3

    　 More details

  • Korea Advanced Institute of Science and Technology (KAIST)   Department of Mechanical Engineering

    2017.5 - 2021.9

    　 More details

    Country：Korea, Republic of

    researchmap

  • Tokyo Institute of Technology   JSPS Research Fellowship for Young Scientists (DC1)

    2015.4 - 2017.3

    　 More details

▼display all

Committee Memberships

  • The 62nd National Heat Transfer Symposium, Japan   Executive committee  

    2025.5   

    　 More details

    Committee type：Academic society

    researchmap

  • Heat Transfer Society of Japan   Public Relations Committee  

    2025.4   

    　 More details

    Committee type：Academic society

    researchmap

  • Manufacturing Science and Engineering Conference (MSEC 2024), USA   Symposium organizer  

    2024.6   

    　 More details

    Committee type：Academic society

    researchmap

  • The 29th International Symposium on Transport Phenomenon, USA   Executive committee  

    2018.10   

    　 More details

    Committee type：Academic society

    researchmap

  • 9th Japan-Korea-China Joint Student Symposium, Japan   Executive staff  

    2015.3   

    　 More details

    Committee type：Other

    researchmap

Papers

  • Hypersonic acoustic wave control via stealthy hyperuniform phononic nanostructures Reviewed International coauthorship International journal

    Michele Diego, Masahiro Nomura, Roman Anufriev, Jade Marina Hardouin, Gabrielle Mazevet-Schargrod, Matteo Pirro, Byunggi Kim

    Science Advances   2025.8

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1126/sciadv.adw7205

    researchmap

  • Rapid Electro‐Thermal Micro‐Actuation of Flat Optics Enabled by Laser‐Induced Graphene on Colorless Polyimide Substrates Reviewed International coauthorship International journal

    Byunggi Kim, Younggeun Lee, Dongwook Yang, Kazuyoshi Fushinobu, Young‐Jin Kim, Masahiro Nomura

    Advanced Optical Materials   2500498   2025.4

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Wiley  

    A high‐performance electro‐thermal micro‐actuator for active optical devices is demonstrated, fabricated via the direct laser writing (DLW) of laser‐induced graphene (LIG) onto a colorless polyimide (CPI) substrate. This approach leverages the unique combination of LIG's exceptional thermal conductivity (4.70–11.3 W m⁻¹K⁻¹, representing a two‐order‐of‐magnitude enhancement over CPI) and CPI's inherent transparency, flexibility, and high thermal stability. The LIG exhibits rapid thermal actuation of optically reflective surface with frequencies up to 2 kHz. Furthermore, the optically diffractive electro‐thermal actuators enable 0.5‐millidegree‐resolution beam steering with 0.9 s response times, transitioning the LIG actuators from the quasi‐steady state to an active regime. This high‐speed, high‐precision actuation mechanism demonstrates the potential for high‐speed dynamic optical control in compact systems, such as focus‐tunable lenses and beam‐steering devices. The single‐step DLW fabrication process on a readily available, flexible, and transparent substrate offers significant advantages in terms of cost‐effectiveness and scalability, making this approach highly promising for next‐generation lightweight, flexible, and integrated optoelectronic devices.

    DOI： 10.1002/adom.202500498

    researchmap

  • Tailoring Phonon Dispersion of a Genetically Designed Nanophononic Metasurface Reviewed International coauthorship International journal

    Michele Diego, Matteo Pirro, Byunggi Kim, Roman Anufriev, Masahiro Nomura

    ACS Nano   18 ( 28 )   18307 - 18313   2024.7

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1021/acsnano.4c01954

    Scopus

    PubMed

    researchmap

  • Enhanced Far-Field Thermal Radiation through a Polaritonic Waveguide Reviewed International coauthorship International journal

    Saeko Tachikawa, Jose Ordonez-Miranda, Laurent Jalabert, Yunhui Wu, Roman Anufriev, Yangyu Guo, Byunggi Kim, Hiroyuki Fujita, Sebastian Volz, Masahiro Nomura

    Physical Review Letters   132 ( 18 )   2024.5

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1103/PhysRevLett.132.186904

    Scopus

    PubMed

    researchmap

  • Anisotropy Reversal of Thermal Conductivity in Silicon Nanowire Networks Driven by Quasi-Ballistic Phonon Transport Reviewed International coauthorship International journal

    Byunggi Kim, Félix Barbier-Chebbah, Yohei Ogawara, Laurent Jalabert, Ryoto Yanagisawa, Roman Anufriev, Masahiro Nomura

    ACS Nano   18 ( 15 )   10557 - 10565   2024.4

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1021/acsnano.3c12767

    Scopus

    PubMed

    researchmap

  • Coherent Manipulation of Extreme-Ultraviolet Bessel Vortex Beams from Solids by Active Wavefront Shaping of Driving Fundamental Beams Reviewed International coauthorship International journal

    Byunggi Kim, Seungman Choi, Seung Jai Won, Yong Woo Kim, Young Jin Kim, Seung Woo Kim

    ACS Photonics   10 ( 10 )   3458 - 3466   2023.10

    　More details

    Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1021/acsphotonics.3c00645

    Scopus

    researchmap

  • Diamond optomechanical cavity with a color center for coherent microwave-to-optical quantum interfaces Reviewed International journal

    Byunggi Kim, Hodaka Kurokawa, Katsuta Sakai, Kazuki Koshino, Hideo Kosaka, Masahiro Nomura

    PHYSICAL REVIEW APPLIED   20 ( 4 )   2023.10

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    Quantum transduction between microwave and optical photons plays a key role in quantum communication among remote qubits. Although the quantum transduction schemes generating communication photons have been successfully demonstrated by using optomechanical interfaces, the low conversion efficiency remains an obstacle to the implementation of a quantum network consisting of multiple qubits. Here, we present an efficient quantum transduction scheme using a one-dimensional diamond optomechanical crystal cavity tuned at a color-center emission without optomechanical coupling. The optomechanical crystal cavity incorporates a thin aluminum nitride (AlN) pad piezoelectric coupler near the concentrator cavity region, while retaining ultrasmall mechanical and optical mode volumes of about 1.5×10^−4(Λp)^3 and 0.2(λ/n)^3, respectively. The energy level of a coherent color-center electron is manipulated by a strong mechanical-mode–color-center electron-coupling rate up to 16.4 MHz. In our system, we theoretically predict that the population-conversion efficiency from a single microwave photon into an optical photon can reach 15% combined with current technologies. The coherent conversion efficiency is over 10% with a reasonably pure decay time of T^∗2>10ns. Our results imply that an atomic color center strongly coupled to the optomechanical crystal cavity will offer a highly efficient quantum transduction platform.

    CiNii Research

    researchmap

  • Green Flexible Graphene–Inorganic-Hybrid Micro-Supercapacitors Made of Fallen Leaves Enabled by Ultrafast Laser Pulses Reviewed International coauthorship International journal

    Truong Son Dinh Le, Yeong A. Lee, Han Ku Nam, Kyu Yeon Jang, Dongwook Yang, Byunggi Kim, Kanghoon Yim, Seung Woo Kim, Hana Yoon, Young Jin Kim

    Advanced Functional Materials   32 ( 20 )   2022.5

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1002/adfm.202107768

    Scopus

    researchmap

  • Selective Laser Ablation of Metal Thin Films Using Ultrashort Pulses Reviewed International coauthorship International journal

    Byunggi Kim, Han Ku Nam, Shotaro Watanabe, Sanguk Park, Yunseok Kim, Young Jin Kim, Kazuyoshi Fushinobu, Seung Woo Kim

    International Journal of Precision Engineering and Manufacturing - Green Technology   8 ( 3 )   771 - 782   2021.5

    　More details

    Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s40684-020-00272-w

    Scopus

    researchmap

  • Ultrahigh-temperature vacuum prober for electrical and thermal measurements Reviewed International coauthorship International journal

    Laurent Jalabert, Jose Ordonez-Miranda, Yunhui Wu, Byunggi Kim, Roman Anufriev, Masahiro Nomura, Sebastian Volz

    Review of Scientific Instruments   96 ( 8 )   2025.8

    　More details

    Language：English   Publishing type：Research paper (scientific journal)   Publisher：AIP Publishing  

    We develop an ultrahigh-temperature vacuum probe station (UHT-VPS) featuring a sample holder heated by thermal radiation from a silicon carbide heater. This contactless configuration electrically isolates the sample from the high-power heating source through a vacuum gap, ensuring reliable measurements under extreme conditions. The capability of this UHT-VPS to measure electrical signals from 30 nV upward on bulk sapphire is demonstrated through the 3ω/2ω method. The measurements are continuously operated from 300 to 1150 K, under a high vacuum of 2 × 10−6 mbar, for a total of about 66 h without readjusting the contact, and yield the linear and quadratic temperature coefficients of resistance of chromium/platinum micro-resistances, as well as the sapphire’s thermal conductivity and thermal diffusivity. By recording the heater and sensor temperature signals up to 30 kHz and fitting them with theoretical models that take into account the quadratic temperature coefficient of resistance of Cr/Pt microwires, we obtain values in agreement with the literature data determined by optical methods. In this range of temperature, we also measure thermal conductivity, which cannot be directly accessed by optical methods. Our system thus provides an effective solution for simultaneously retrieving the electrical and thermal properties of materials using a single set of 3ω/2ω data up to unprecedented temperature levels.

    DOI： 10.1063/5.0272551

    researchmap

  • Heat Flow Control in Semiconductors using Japanese Traditional Patterns

    Byunggi Kim, Masahiro Nomura

    Journal of the Society of Powder Technology, Japan   62 ( 4 )   224 - 229   2025.4

    　More details

    Authorship：Lead author   Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Society of Powder Technology, Japan  

    DOI： 10.4164/sptj.62.224

    researchmap

  • Silicon-via (Si-via) hole metrology and inspection by grayfield edge diffractometry Reviewed International coauthorship International journal

    Kuan Lu, Byunggi Kim, Masahiro Nomura, Jiyong Park, ChaBum Lee

    Journal of Manufacturing Processes   133   503 - 509   2025.1

    　More details

    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

    DOI： 10.1016/j.jmapro.2024.11.086

    researchmap

  • Smart Denture with Embedded Thin-Film Temperature Sensors Patterned by Femtosecond Laser Pulse for Elderly Healthcare Reviewed International coauthorship International journal

    Han Ku Nam, Yong Kwon Chae, Seoung-Jin Hong, Younggen Lee, Dongwook Yang, Byunggi Kim, Sang Wook Kang, Young-Jin Kim

    Advanced Intelligent Systems   2400484   2024.9

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1002/aisy.202400484

    researchmap

  • Thermal Property Estimation of Thin-Layered Structures by Means of Thermoreflectance Measurement and Network Identification by Deconvolution Algorithm Reviewed International journal

    Daiki Higuma, João Vitor Thomsen Silveira, Byunggi Kim, Masahiro Nomura, Kazuyoshi Fushinobu

    Journal of Electronic Packaging   146 ( 4 )   2024.8

    　More details

    Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：ASME International  

    Abstract

    Laser-induced forward transfer (LIFT) is a powerful tool for micro and nanoscale digital printing of metals for electronic packaging. In the metal LIFT process, the donor thin metal film is propelled to the receiving substrate and deposited on it. Morphology of the deposited metal varies with the thermodynamic responses of the donor thin film during and after the laser heating. Thus, the thermophysical properties of the multilayered donor sample are important to predict the LIFT process accurately. Here, we investigated thermophysical properties of a 100 nm-thick gold coated on 0.5 mm-thick sapphire and silicon substrates by means of the nanosecond time-domain thermoreflectance (ns-TDTR) analyzed by the network identification by deconvolution (NID) algorithm, which does not require numerical simulation or analytical solution. The NID algorithm enabled us to extract the thermal time constants of the sample from the nanosecond thermal decay of the sample surface. Furthermore, the cumulative and differential structure functions allowed us to investigate the heat flow path, giving the interfacial thermal resistance and the thermal conductivity of the substrate. After calibration of the NID algorithm using the thermal conductivity of the sapphire, the thermal conductivity of the silicon was determined to be 107–151 W/(m K), which is in good agreement with the widely accepted range of 110–148 W/(m K). Our study shows the feasibility of the structure function obtained from the single-shot TDTR experiments for thermal property estimation in laser processing and electronics packaging applications.

    DOI： 10.1115/1.4066086

    researchmap

  • Piezoelectrically driven diamond phononic nanocavity by phonon-matching scheme for quantum applications Reviewed International coauthorship International journal

    Michele Diego, Byunggi Kim, Matteo Pirro, Sebastian Volz, Masahiro Nomura

    Physical Review Applied   21 ( 6 )   2024.6

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1103/PhysRevApplied.21.064064

    Scopus

    researchmap

  • Laser-induced graphene formation on recycled woods for green smart furniture Reviewed International coauthorship International journal

    Han Ku Nam, Jungrak Choi, Tongmei Jing, Dongwook Yang, Younggeun Lee, Young Ryeul Kim, Truong Son Dinh Le, Byunggi Kim, Liandong Yu, Seung Woo Kim, Inkyu Park, Young Jin Kim

    EcoMat   6 ( 4 )   2024.4

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1002/eom2.12447

    Scopus

    researchmap

  • Dynamic ultraviolet harmonic beam pattern control by programmable spatial wavefront modulation of near-infrared fundamental beam Reviewed International coauthorship International journal

    Seungjai Won, Seungman Choi, Taewon Kim, Byunggi Kim, Seung Woo Kim, Young Jin Kim

    Nanophotonics   12 ( 16 )   3373 - 3383   2023.8

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1515/nanoph-2023-0300

    Scopus

    researchmap

  • Smart Wooden Home Enabled by Direct-Written Laser-Induced Graphene Reviewed International coauthorship International journal

    Han Ku Nam, Truong Son Dinh Le, Dongwook Yang, Byunggi Kim, Younggeun Lee, June Sik Hwang, Young Ryeul Kim, Hana Yoon, Seung Woo Kim, Young Jin Kim

    Advanced Materials Technologies   8 ( 9 )   2023.5

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1002/admt.202201952

    Scopus

    researchmap

  • Refractive-diffractive hybrid optics array: Comparative analysis of simulation and experiments Reviewed International coauthorship International journal

    Mun Ji Low, Thazhe Madam Rohith, Byunggi Kim, Seung Woo Kim, C. S. Suchand Sandeep, Vadakke Matham Murukeshan, Young Jin Kim

    Journal of Optics (United Kingdom)   24 ( 5 )   2022.5

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1088/2040-8986/ac5926

    Scopus

    researchmap

  • Compensation of laser propagation effects within solids for high harmonic generation of extreme ultraviolet radiation Reviewed International coauthorship International journal

    Yong Woo Kim, Byunggi Kim, Seungman Choi, Han Ku Nam, Hyunwoong Kim, Young Jin Kim, Seung Woo Kim

    Optics and Laser Technology   145   2022.1

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.optlastec.2021.107507

    Scopus

    researchmap

  • Non-periodic nanoscale structuring of crystalline silicon surface by using ultrashort laser pulses Reviewed International coauthorship International journal

    Byunggi Kim, Han Ku Nam, Jeongchun Ryu, Young Jin Kim, Seung Woo Kim

    Applied Surface Science   565   2021.11

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.apsusc.2021.150595

    Scopus

    researchmap

  • Lift-off ablation of metal thin films for micropatterning using ultrashort laser pulses Reviewed International coauthorship International journal

    Byunggi Kim, Han Ku Nam, Young Jin Kim, Seung Woo Kim

    Metals   11 ( 10 )   2021.10

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.3390/met11101586

    Scopus

    researchmap

  • Wood-based flexible graphene thermistor with an ultra-high sensitivity enabled by ultraviolet femtosecond laser pulses Reviewed International coauthorship International journal

    Young Jin Kim, Truong Son Dinh Le, Han Ku Nam, Dongwook Yang, Byunggi Kim

    CIRP Annals   70 ( 1 )   443 - 446   2021.1

    　More details

    Authorship：Last author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.cirp.2021.04.031

    Scopus

    researchmap

  • Diverging cyclic radial shearing interferometry for single-shot wavefront sensing Reviewed International coauthorship International journal

    Dian Bian, Daehee Kim, Byunggi Kim, Liandong Yu, Ki Nam Joo, Seung Woo Kim

    Applied Optics   59 ( 28 )   9067 - 9074   2020.10

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1364/AO.402903

    Scopus

    PubMed

    researchmap

  • Silicon wafer crack detection using nonlinear ultrasonic modulation induced by high repetition rate pulse laser Reviewed International coauthorship International journal

    Jinho Jang, Peipei Liu, Byunggi Kim, Seung woo Kim, Hoon Sohn

    Optics and Lasers in Engineering   129   2020.6

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.optlaseng.2020.106074

    Scopus

    researchmap

  • Direct instantaneous 2-D imaging for photoacoustic waves by ultrashort single pulse interferometry Reviewed International coauthorship International journal

    Yang Lu, Daehee Kim, Byunggi Kim, Jiyong Park, Liping Yan, Liandong Yu, Ki Nam Joo, Seung Woo Kim

    Optics and Lasers in Engineering   121   340 - 345   2019.10

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.optlaseng.2019.04.027

    Scopus

    researchmap

  • Rigorous single pulse imaging for ultrafast interferometric observation Reviewed International coauthorship International journal

    Daehee Kim, Yang Lu, Jiyong Park, Byunggi Kim, Liping Yan, Liandong Yu, Ki Nam Joo, Seung Woo Kim

    Optics Letters   27 ( 14 )   19758 - 19767   2019

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1364/OE.27.019758

    Scopus

    PubMed

    researchmap

  • Effect of beam profile on nanosecond laser drilling of 4H-SIC Reviewed International coauthorship International journal

    Byunggi Kim, Ryoichi Iida, Syunya Kiyokawa, Kazuyoshi Fushinobu

    Journal of Laser Applications   30 ( 3 )   2018.8

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.2351/1.5040597

    Scopus

    researchmap

  • Mechanism of nanosecond laser drilling process of 4H-SiC for through substrate vias Reviewed International coauthorship International journal

    Byunggi Kim, Ryoichi Iida, Duc Hong Doan, Kazuyoshi Fushinobu

    Applied Physics A: Materials Science and Processing   123 ( 6 )   2017.6

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s00339-017-0986-2

    Scopus

    researchmap

  • Nanosecond pulse laser scribing using Bessel beam for single shot removal of transparent conductive oxide thin film Reviewed International coauthorship International journal

    Byunggi Kim, Ryoichi Iida, Duc Hong Doan, Kazuyoshi Fushinobu

    International Journal of Heat and Mass Transfer   107   829 - 835   2017

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.ijheatmasstransfer.2016.11.088

    Scopus

    researchmap

  • Mechanism of TCO thin film removal process using near-infrared ns pulse laser: Plasma shielding effect on irradiation direction Reviewed International coauthorship International journal

    Byunggi Kim, Ryoichi Iida, Hong Duc Doan, Kazuyoshi Fushinobu

    International Journal of Heat and Mass Transfer   102   77 - 85   2016.11

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.ijheatmasstransfer.2016.06.009

    Scopus

    researchmap

  • Bessel beam laser-scribing of thin film silicon solar cells by ns pulsed laser Reviewed International coauthorship International journal

    Due Hong Doan, Ryoichi Iida, Byunggi Kim, Isao Satoh, Kazuyoshi Fushinobu

    Journal of Thermal Science and Technology   11 ( 1 )   2016.3

    　More details

    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1299/jtst.2016jtst0011

    Scopus

    researchmap

  • Influence of natural convection on beam propagation in fluidic optical device Reviewed International coauthorship International journal

    Byunggi Kim, Hong Duc Doan, Kazuyoshi Fushinobu

    International Journal of Heat and Mass Transfer   90   605 - 612   2015

    　More details

    Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.ijheatmasstransfer.2015.06.085

    Scopus

    researchmap

  • Pulse-shaping of nanosecond pulse laser by means of thermal lens effect Reviewed

    KIM Byunggi, 井上涼太, DOAN Hong Duc, 伏信一慶

    日本機械学会論文集(Web)   80 ( 815 )   2014

    　More details

    Authorship：Lead author,　Corresponding author   Language：Japanese  

    DOI： 10.1299/transjsme.2014tep0200

    J-GLOBAL

    researchmap

▼display all

Presentations

  • Thermal conductivity measurement of unprocessed microparticles for TIMs

    Pauline Pradal, Soutaro Ito, Byunggi Kim, Masahiro Nomura

    The 86th JSAP Autumn Meeting 2025  2025.9  JSAP

    　More details

    Event date： 2025.9

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

    researchmap

  • Ultraviolet beam pattern control in second and third harmonic generation by spatial wavefront modulation of near-infrared driving wavelength International coauthorship International conference

    Seungjai Won, Taewon Kim, Seungman Choi, Byunggi Kim, Seung Woo Kim, Joohyung Lee, Young Jin Kim

    Proceedings of SPIE - The International Society for Optical Engineering  2024.3 

    　More details

    Event date： 2024

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Phonon-matching tuning in a piezoelectrically driven double hybrid nanocavity International coauthorship

    DIEGO Michele, KIM Byunggi, PIRRO Matteo, VOLZ Sebastian, VOLZ Sebastian, NOMURA Masahiro

    応用物理学会春季学術講演会講演予稿集(CD-ROM)  2024.3 

    　More details

    Event date： 2024

    Presentation type：Oral presentation (general)  

    researchmap

  • Band structures of traditional Japanese-style phononic crystals

    小河原陽平, KIM Byunggi, 野村政宏

    応用物理学会春季学術講演会講演予稿集(CD-ROM)  2023.3 

    　More details

    Event date： 2023

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • Radiative thermal diode mediated by guided modes of surface phonon-polaritons International coauthorship

    KIM Byunggi, JALABERT Laurent, JALABERT Laurent, ORDONEZ-MIRANDA Jose, ORDONEZ-MIRANDA Jose, 立川冴子, CORAL Maelie, WU Yunhui, ANUFRIEV Roman, VOLZ Sebastian, VOLZ Sebastian, 野村政宏

    応用物理学会春季学術講演会講演予稿集(CD-ROM)  2023.3 

    　More details

    Event date： 2023

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • Green Laser-Induced-Graphene (LIG) Electronics by Direct Laser Writing on Wooden Materials International coauthorship International conference

    Han Ku Nam, Dongwook Yang, Truong-Son Dinh Le, Younggeun Lee, Byunggi Kim, Young-Ryeul Kim, Seung-Woo Kim, Young-Jin Kim

    Asian Society for Precision Engineering and Nanotechnology (ASPEN 2022)  2022.1  Research Publishing Services

    　More details

    Event date： 2022.1

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Spin-optomechanical cavity for quantum transduction using a diamond color center

    KIM Byunggi, 黒川穂高, 小坂英男, 野村政宏

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)  2022.9 

    　More details

    Event date： 2022

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • Fabrication of laser-induced graphene-based diffractive optical device using femtosecond laser International coauthorship International conference

    Younggeun Lee, Dongwook Yang, Han Ku Nam, Truong Son Dinh Le, Young Ryeul Kim, Byunggi Kim, Hongki Yoo, Joo Hyung Lee, Hyo Sang Yoon, Seung Woo Kim, Young Jin Kim

    2022 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2022 - Proceedings  2022.9 

    　More details

    Event date： 2022

    Language：English  

    researchmap

  • EUV High Harmonic Generation from Solids with Propagation Control Capabilities International coauthorship International conference

    Seungjai Won, Seungman Choi, Byunggi Kim, Taewon Kim, Young Jin Kim, Seung Woo Kim

    2022 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2022 - Proceedings  2022.9 

    　More details

    Event date： 2022

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Laser-induced-graphene formation on fabric based on femtosecond laser direct writing for flexible strain sensors International coauthorship International conference

    Dongwook Yang, Han Ku Nam, Truong Son Dinh Le, Younggeun Lee, Byunggi Kim, Young Ryeul Kim, Seung Woo Kim, Young Jin Kim

    2022 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2022 - Proceedings  2022.9 

    　More details

    Event date： 2022

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Green Home Applications by fs Laser-based Laser-Induced-Graphene Formation Technology on Woods International coauthorship International conference

    Han Ku Nam, Truong Son Dinh Le, Dongwook Yang, Younggeun Lee, Byunggi Kim, Young Ryeul Kim, Seung Woo Kim, Young Jin Kim

    2022 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2022 - Proceedings  2022.9 

    　More details

    Event date： 2022

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Numerical study of heat transfer and chemical kinetics of solar thermochemical reactor for hydrogen production International conference

    Achmad Rofi Irsyad, Byunggi Kim, Doan Hong Duc, Saiful Hasmady Bin Abu Hassan, Kazuyoshi Fushinobu

    AIP Conference Proceedings  2018.7 

    　More details

    Event date： 2018.7

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • 液体光学素子を用いた合成レンズの焦点制御

    清川春矢, KIM Byunggi, 伏信一慶

    日本伝熱シンポジウム講演論文集(CD-ROM)  2017.5 

    　More details

    Event date： 2017

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • Investigation of transport-reaction phenomena in multi-layered pefc cathode catalyst layer International conference

    Rinako Nakano, Takumi Iguro, Byunggi Kim, Kazuyoshi Fushinobu

    ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)  2017.1 

    　More details

    Event date： 2017

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Laser drilling of SiC substrate with Bessel beam

    Iida Ryoichi, Kim Byunggi, Hong Duc Doan, Fushinobu Kazuyoshi

    The Proceedings of the Thermal Engineering Conference  2016.10  The Japan Society of Mechanical Engineers

    　More details

    Event date： 2016

    Language：Japanese   Presentation type：Oral presentation (general)  

    SiC is expected as a next generation power semiconductor material due to its excellent properties. For SiC power device production, an efficient drilling method for 3D packaging technology aiming at further space saving is needed. In order to improve the quality of laser drilling process on SiC, Bessel beam laser drilling was conducted. Due to side lobes of Bessel beam, the effects of its long focal depth and small spot size were not obtained under the processing parameters we selected. To find appropriate processing conditions of Bessel beam laser drilling, further investigation is needed.

    researchmap

  • ベッセルビームを用いたSiC基板レーザドリリング

    飯田亮一, KIM Byunggi, DUC Doan Hong, 伏信一慶

    日本機械学会熱工学コンファレンス講演論文集(CD-ROM)  2016.5 

    　More details

    Event date： 2016

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • エバネッセントベッセルビーム発生素子開発のための基礎研究

    渡邉翔太郎, KIM Byunggi, DOAN Hong Duc, 伏信一慶

    日本伝熱シンポジウム講演論文集(CD-ROM)  2016.5 

    　More details

    Event date： 2016

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • 透明導電薄膜の近赤外線ナノ秒パルスレーザスクライビング

    KIM Byunggi, 飯田亮一, DOAN Hong Duc, 伏信一慶

    日本伝熱シンポジウム講演論文集(CD-ROM)  2016.5 

    　More details

    Event date： 2016

    Language：Japanese  

    researchmap

  • A233 Nanosecond pulse laser scribing of fluorine doped tin oxide thin film using Bessel beam

    Kim Byunggi, Iida Ryoichi, Doan Hong Duc, Fushinobu Kazuyoshi

    The Proceedings of the Thermal Engineering Conference  2015.10  The Japan Society of Mechanical Engineers

    　More details

    Event date： 2015

    Language：Japanese   Presentation type：Oral presentation (general)  

    For the fabrication of groove on FTO thin film, substrate (glass) side laser scribing is usually used to obtain several tens μm groove width. In this study, in order to achieve smaller groove width, Bessel beam, which has extremely small beam waist, was used instead of Gaussian beam. Novel optical system has been designed to shape Bessel beam with 4〜5 μm width and 20 mm focal depth. Experimentally, we achieved perfectly isolated grooves with only 2.0〜3.0 μm width along 10 mm on focal direction.

    researchmap

  • ベッセルビームを用いたフッ素ドープ酸化スズ薄膜のナノ秒パルスレーザスクライビング

    KIM Byunggi, 飯田亮一, DOAN Hong Duc, 伏信一慶

    日本機械学会熱工学コンファレンス講演論文集(CD-ROM)  2015.10 

    　More details

    Event date： 2015

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • nsパルスレーザを用いた薄膜シリコン太陽電池溝加工におけるレーザ空間強度分布の影響

    飯田亮一, KIM Byunggi, DOAN Hong Duc, 伏信一慶

    日本伝熱シンポジウム講演論文集(CD-ROM)  2015.5 

    　More details

    Event date： 2015

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • B124 On the onset of natural convection in fluidic optical device

    Kim Byunggi, Doan Hong Duc, Fushinobu Kazuyoshi

    The Proceedings of the Thermal Engineering Conference  2014.10  The Japan Society of Mechanical Engineers

    　More details

    Event date： 2014

    Language：Japanese   Presentation type：Oral presentation (general)  

    Parametric studies to predict the conditions of the onset of natural convection in fluidic optical devices are given. Thermal lens effect in fluidic optical devices induced by CW laser heating may accompany the onset of the natural convection closely associated to the characteristics of the devices. When natural convection occurs in fluidic optical devices, it cannot be used as laser beam shaper because laser beam is distorted. It has been investigated that the onset of the natural convection is strongly dependent on configuration of fluidic optical device. In particular, the optical thickness of the cell, in which liquid medium is filled, has significant effect on the onset of the natural convection.

    researchmap

  • 液体光学素子における自然対流発生条件

    KIM Byunggi, DOAN Hong Duc, 伏信一慶

    日本機械学会熱工学コンファレンス講演論文集(CD-ROM)  2014.10 

    　More details

    Event date： 2014

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • 液体過渡レンズ効果を用いたナノ秒パルスレーザパルスシェイピングのための時分解計測と機構解明

    井上涼太, KIM Byunggi, DOAN Hong Duc, 伏信一慶

    日本伝熱シンポジウム講演論文集(CD-ROM)  2013.5 

    　More details

    Event date： 2013

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • ナノ秒パルスYAGレーザ励起液体過渡レンズ効果の時分解計測と特性解明

    井上涼太, KIM Byunggi, DOAN Hong Doc, 伏信一慶

    日本機械学会熱工学コンファレンス講演論文集  2012.10 

    　More details

    Event date： 2012

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • Topics on materials processing by means of modulated ns Nd:YAG laser Invited International coauthorship International conference

    B. Kim, H.D. Doan, K. Fushinobu

    The 4th International Conference on Advanced Electromaterials (ICAE2017)  2017.11 

    　More details

    Language：English   Presentation type：Oral presentation (invited, special)  

    researchmap

  • Characterization of thermal properties and failure analysis by means of optical methods Invited

    B. Kim

    Korea Institute of Industrial Technology  2024.6 

    　More details

    Language：Korean   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

    researchmap

  • Microwave-to-optical quantum transduction via optomechanical interfaces Invited International coauthorship

    B. Kim, M. Diego, M. Pirro, M. Nomura

    The 8th Phonon Engineering Workshop  2024.5 

    　More details

    Language：Japanese   Presentation type：Oral presentation (invited, special)  

    researchmap

  • Femtosecond laser technologies for advanced additive manufacturing Invited

    B. Kim

    Korea Institute of Industrial Technology  2022.6 

    　More details

    Language：Korean   Presentation type：Public lecture, seminar, tutorial, course, or other speech  

    researchmap

  • Via Metrology, Inspection and Digital Review System for Advanced Electronics Packaging International coauthorship International conference

    Kuan Lu, Pengfei Lin, Heebum Chun, Jiyong Park, Byunggi Kim, Masahiro Nomura, ChaBum Lee

    International Conference on Precision Engineering and Sustainable Manufacturing (PRESM2024)  2024.7 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Diamond optomechanical crystals for coherent quantum transduction International coauthorship International conference

    B. Kim, H. Kurokawa, K. Sakai, K. Koshino, H. Kosaka, M. Nomura

    NANOSCALE AND MICROSCALE HEAT TRANSFER VIII  2024.6 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Quantitative Thermophysical Property Characterization of Thin Layered Structures by Means of Combined Thermoreflectance-Nid Algorithm Technique International conference

    B. Kim, D. Higuma, J. Vitor, Thomsen Silveira, K. Fushinobu

    InterPACK2024  2024.10 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Automated tailoring of the phonon dispersion for highly anisotropic phononic crystal International coauthorship

    M. Diego, M. Pirro, B. Kim, R. Anufriev, M. Nomura

    The 85th JSAP Autumn Meeting 2025  2024.9 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Controlling thermal conductivity of silicon thin films using femtosecond laser-induced periodic surface structures

    B. Kim, H. Hanma, K. Fushinobu, M. Nomura

    The 72nd JSAP Spring Meeting 2025  2025.3 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Dynamic deep-ultraviolet beam pattern structuring in nonlinear third harmonic generation by spatial wavefront modulation of near-infrared driving laser International coauthorship International conference

    Seungjai Won, Jungyoon Kim, Taewon Kim, Seungman Choi, Byunggi Kim, Joohyung Lee, Seung-Woo Kim, Young-Jin Kim

    SPIE Photonic West 2025  2025.1 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Thermal conductivity measurement method of 5-µm-fillers using TDTR method International coauthorship

    Soutaro Ito, Byunggi Kim, Ryoto Yanagisawa, Jalabert Lauren, Ikzibane Hafsa, Masahiro Nomura

    The 72nd JSAP Spring Meeting 2025  2025.3 

    　More details

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • Enhanced Thermoreflectance Coefficient using graphene layers on SiO2/Si

    Wenchiao Lin, Yunhui Wu, Yohei Ogawara, Byunggi Kim, Soutaro Ito, M. Nomura

    The 72nd JSAP Spring Meeting 2025  2025.3 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Optical application of micro-actuation using laser-induced graphene (LIG) KMEMS LIG active optics International coauthorship

    Younggeun Lee, Byunggi Kim, Dongwook Yang, Kazuyoshi Fushinobu, Masahiro Nomura, Young-Jin Kim

    25th KMEMS Conference  2025.3 

    　More details

    Language：Korean   Presentation type：Oral presentation (general)  

    researchmap

  • Microwave-to-Optical Quantum Interface for Quantum Electro-Optic Fusion International coauthorship

    H. Kurokawa, K. Sato, T. Kobayashi, R. Hirotsuru, M. Yamamoto, S. Ishida, H. Matsukiyo, N. Pholsen, M. Nishioka, K. Iijima, S. ji, H. Otsuki, M. Kamata, S. Hachuda, K. Takaki, T. Makino, M. Diego, B. Kim, A. Kamimaki, Y. Sekiguchi, H. Kato, H. Terai, K. Koshino, S. Onoda, M. Nomura, S. Iwamoto, T. Baba, H. Kosaka

    The 72nd JSAP Spring Meeting 2025  2025.3 

    　More details

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • Tailoring phonon dispersion in inversely designed phononic crystal International coauthorship

    M. Diego, M. Pirro, B. Kim, R. Anufriev, M. Nomura

    2024.5 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Designing advanced nanophononic devices through genetic algorithm Invited International coauthorship

    Michele Diego, Matteo Pirro, Byunggi Kim, Roman Anufriev, Masahiro Nomura

    The 72nd JSAP Spring Meeting 2025  2025.3 

    　More details

    Language：English   Presentation type：Oral presentation (invited, special)  

    researchmap

  • Fabrication of Phononic Nanostructures with a Femtosecond Laser

    H. Hanma, B. Kim, M. Nomura, K. Fushinobu

    The 62nd National Heat Transfer Symposium  2025.5 

    　More details

    Language：Japanese   Presentation type：Oral presentation (general)  

    researchmap

  • Laser-Induced Graphene Heat Spreader on Colorless Polyimide for Thermo-Mechanical Flat Optics International coauthorship International conference

    B. Kim, Y. Lee, D. Yang, K. Fushinobu, Y.-J. Kim, M. Nomura

    HTSJ International Heat Transfer Symposium  2025.5 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Comprehensive modeling of ultrashort pulse laser processing by means of thermo-fluid dynamics in the electron-lattice non-equilibrium regime International conference

    F. Sha, B. Kim, K. Fushinobu

    HTSJ International Heat Transfer Symposium  2025.5 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Thermal imaging technology using ptychography

    Y. Marutani, B. Wang, K. Fushinobu, B. Kim

    The 62nd National Heat Transfer Symposium  2025.5 

    　More details

    Language：Japanese   Presentation type：Poster presentation  

    researchmap

  • Enhanced thermoreflectance coefficient using graphene layers on SiO2/Si

    W.-C. Lin, Y. Wu, Y. Ogawara, B. Kim, S. Ito, M. Nomura

    The 9th Phonon Engineering Workshop  2025.5 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

  • Hybrid modeling of ultrashort pulse laser processing by means of thermo-fluid dynamics in the electron-lattice non-equilibrium regime

    F. Sha, B. Kim, K. Fushinobu

    The 9th Phonon Engineering Workshop  2025.5 

    　More details

    Language：English   Presentation type：Poster presentation  

    researchmap

  • Femtosecond Laser Direct Writing of Phononic Nanostructures in Silicon for Anisotropic Thermal Conductivity Engineering

    B. Kim, H. Hanma, K. Fushinobu, M. Nomura

    The 9th Phonon Engineering Workshop  2025.5 

    　More details

    Language：English   Presentation type：Oral presentation (general)  

    researchmap

▼display all

Industrial property rights

  • Method for processing transparent materials using spatio-temporally shaped pulsed-laser beam and apparatus for the same

    Seung-Woo Kim, Byunggi Kim, Yoonseok Kim

    　More details

    Applicant：KAIST, Lasernics

    Application no：1020180137615  Date applied：2018.11

    Patent/Registration no：1021916660000  Date registered：2020.12 

    researchmap

  • Evanescent light generator

    　More details

    Applicant：Tokyo Institute of Technology

    Application no：特願2016-21468  Date applied：2016.2

    researchmap

Awards

  • The Best Poster Presentation Award

    2025.6   Phononics 2025   Diamond Piezo-Optomechanical Crystal with a Color Center for Microwave-to-Optical Conversion

    　More details

    Award type：Award from international society, conference, symposium, etc. 

    researchmap

  • The Best Presentation Award

    2024.5   The 8th Phonon Engineering Workshop, JSAP  

    　More details

    Award type：Award from Japanese society, conference, symposium, etc. 

    researchmap

  • The Best presentation award

    2023.8   The 7th Phonon Engineering Workshop, JSAP  

    　More details

    Award type：Award from Japanese society, conference, symposium, etc. 

    researchmap

  • The Best Paper Award

    2022.11   The 9th International Conference of Asian Society for Precision Engineering and Nanotechnology  

    　More details

    Award type：Award from international society, conference, symposium, etc. 

    researchmap

  • The Best paper award

    2021.11   Optical Society of Korea  

    　More details

    Award type：Award from Japanese society, conference, symposium, etc. 

    researchmap

  • Academic Contribution Award

    2017.5   Heat transfer society of Japan  

    　More details

    Award type：Award from Japanese society, conference, symposium, etc.  Country：Japan

    researchmap

  • The Miura Award

    2015.3  

    　More details

    Award type：Award from Japanese society, conference, symposium, etc. 

    researchmap

  • Japan-Korea Joint Government Scholarship Program for the Students in Science and Engineering Departments

    2008.3  

    　More details

▼display all

Research Projects

  • Pioneering quantum transduction via hypersonic phononic nanoresonators

    Grant number：JPMJPR25F2  2025.10 - 2029.3

    Japan Science and Technology Agency  PRESTO 「Quantum Frontier」 

    　 More details

    Authorship：Principal investigator 

    researchmap

  • 薄膜熱伝導変調用レーザ誘起周期構造制御に向けた非平衡熱輸送解明

    Grant number：25K01168  2025.4 - 2029.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    伏信 一慶, Kim Byunggi

    　 More details

    Authorship：Coinvestigator(s) 

    Grant amount：\18850000 （ Direct Cost: \14500000 、 Indirect Cost：\4350000 ）

    researchmap

  • 多機能フォノニックナノワイヤネットワーク創成のための学理構築

    Grant number：25K00035  2025.2 - 2028.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    Kim Byunggi, 伏信 一慶

    　 More details

    Authorship：Principal investigator 

    Grant amount：\18850000 （ Direct Cost: \14500000 、 Indirect Cost：\4350000 ）

    researchmap

  • Development of Thermoreflectance-based Inspection Technologies for Thermal Management of Integrated Circuits

    2025.1 - 2029.12

    Korea Institute of Industrial Technology  KeyTECH  International Collaborative Research

    　 More details

    Authorship：Principal investigator 

    researchmap

  • 極超音波トポロジカルフォノニクスの革新に向けた電気‐機械量子インターフェースの開発

    2025.4 - 2027.3

    旭硝子財団 The Asahi Glass Foundation  研究助成

    Kim Byunggi

    　 More details

    Authorship：Principal investigator 

    researchmap

  • 走査型位相イメージングによる超分解能・多次元熱顕微鏡の創成

    2025.4 - 2026.3

    高橋産業経済研究財団 Takahashi Industrial and Economic Research Foundation  研究助成

    Kim Byunggi

    　 More details

    Authorship：Principal investigator 

    researchmap

  • フェムト秒レーザ誘起周期構造による薄膜熱電変換材料の高速加工技術の開発

    2025.4 - 2026.3

    ENEOS東燃ゼネラル研究奨励・奨学会 ENEOS TONENGENERAL RESEARCH/DEVELOPMENT ENCOURAGEMENT & SCHOLARSHIP FOUNDATION  研究助成

    Kim Byunggi

    　 More details

    Authorship：Principal investigator 

    researchmap

  • トポロジカルフォノニック共振器を用いた高Q値光変調器の開発

    2025.1 - 2026.12

    光科学技術研究振興財団 Research Foundation for Opto-Science and Technology  研究助成

    Kim Byunggi

    　 More details

    Authorship：Principal investigator 

    researchmap

  • フォノニックナノワイヤネットワークを用いた薄膜熱電変換材料の創成

    2024.11 - 2026.11

    ヒロセ財団 Hirose Foundation  研究助成

    Kim Byunggi

    　 More details

    Authorship：Principal investigator 

    researchmap

  • Laser-induced Graphene for Thermal Management of Flexible Optoelectronics

    Grant number：2048  2024.10 - 2026.3

    ASPIRE League  ASPIRE League Partnership Seed Fund 

    　 More details

    Authorship：Coinvestigator(s) 

    researchmap

  • フェムト秒レーザ誘起ナノ周期構造を活用した熱伝導制御技術の開拓

    2024.10 - 2025.3

    東京科学大学工学院  助教インセンティブ研究経費 

    Kim Byunggi

    　 More details

    Authorship：Principal investigator 

    researchmap

  • Ultra-thin/adaptive super/meta-lens patterning based on ultra-short laser direct writing

    2024.5 - 2027.4

    　 More details

    Authorship：Coinvestigator(s) 

    researchmap

  • Femtosecond laser-induced periodic surface nano-structures for engineering anisotropic thermal conductivities

    Grant number：23K13260  2023.4 - 2025.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Early-Career Scientists

    　 More details

    Grant amount：\4680000 （ Direct Cost: \3600000 、 Indirect Cost：\1080000 ）

    researchmap

  • TSV (Through-Silicon-Via) Metrology and Inspection for Vertical Stacked Microchip Manufacturing

    2023.1 - 2023.12

    Korea Institute of Industrial Technology 

    　 More details

    Authorship：Principal investigator 

    researchmap

  • Development of thin-film thermal conduction control technology using femtosecond laser-induced surface periodic structures

    2022.10 - 2025.3

    Amada Foundation 

    　 More details

    Authorship：Principal investigator 

    researchmap

  • High power femtosecond laser development and its applications

    2017.10 - 2018.9

    Korea Advanced Institute of Science and Technology (KAIST)  GCORE 

    　 More details

  • 短・超短パルスレーザ時空間ビームシェイピング技術開発と微細加工への応用

    Grant number：15J10556  2015.4 - 2018.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    KIM BYUNGGI

    　 More details

    Grant amount：\1700000 （ Direct Cost: \1700000 ）

    ナノ秒パルスレーザビームの時間強度分布シェイパの開発とレーザ微細加工への応用を睨んで，2016年度には(1)透明導電薄膜のベッセルビームスクライビングプロセスと(2)4H-SiCのTSVのためのレーザドリリング加工の特性解明に取り組んだ．
    (1)について：透明導電薄膜のナノ秒パルスレーザスクライビングにベッセルビームを用いることでアブレーション中のプラズマ遮蔽の影響を最小化し，単パルス照射による薄膜の除去が可能であることを実験および数値モデリングにより解明した．レーザビームの伝搬とレーザ加熱による材料の温度上昇をカップリングした数値モデルを開発した．この数値モデルを用いてベッセルビームがプラズマプルーム後方で回折して薄膜厚方向でも顕著な加熱が行われることを明らかにした．数値解析結果は実験結果ともよい一致を示していた．この研究により今まで貫通穴加工に限られていたベッセルビームの応用分野を透明薄膜の除去加工まで拡張できたと考えられる．
    (2)について：化学・機械的に耐久性の優れた4H-SiCは従来のエッチングが困難であり，エッチングレートも非常に遅いことが現状である．一方，基板の貫通加工は電子デバイスの形状と機能の高度化のために不可欠なプロセスである．ここで，本研究では高速な加工が可能なナノ秒パルスレーザを4H-SiCの穴あけ加工に用いるための基礎的な検討を行った．ビームプロファイル(ガウシアン，ベッセル)，波長(1064 nm, 532 nm)および加工環境(空中，水中)を変化させながら穴あけ加工の特性を調べた．穴あけ加工結果についてラマン分光等を用いて検討した結果，表面の炭化とSi再凝固層形成が加工の分解能と穴の深さに大きな影響を及ぼすことが分かった．本研究で得られた知見は高バンドギャップ半導体材料のレーザ穴あけ加工手法の提案に用いられると考えられる．

    researchmap

▼display all