Publications

Journal Papers

A055 Kim, Y., Yoo, J., Lim, Y., M, S., L, S., and Kim, H.H.*, “High-Frequency, Multiband Projector Using 1-3 Connectivity Lithium Niobate Composites With an Inversion Layer”  IEEE Sensors Journal, Vol 23, Issue 12, https://doi.org/10.1109/JSEN.2023.3270430 (2023).

A054 Yoo, J., Oh, D., Kim, C., Kim, H.H.*, and Um, J. Y.*, “Switchable preamplifier for dual modal photoacoustic and ultrasound imaging” Biomedical Optics Express, Vol 14, Issue 1, pp. 89-105, https://doi.org/10.1364/BOE.476453 (2023).

A053 Kim, J., Kim, G., Li, L., Zhang, P. F., Kim, J. Y., Kim, Y., Kim, H. H., Wang, L. V., Lee, S., and Kim, C., “Deep learning acceleration of multiscale superresolution localization photoacoustic imaging” Light: Science & Applications, Vol 11, Article number 131, https://doi.org/10.1038/s41377-022-00820-w (2022).

A052 Kim, J., Lee, D., Lim, H., Yang, H., Kim, J., Kim, J., Kim, Y., Kim, H. H., and Kim, C., “Deep learning alignment of bidirectional raster scanning in high speed photoacoustic microscopy” Scientific Reports, Vol 12, Article number 16238, https://doi.org/10.1038/s41598-022-20378-2 (2022).

A051 Ahn, J., Baik, J. W., Kim, Y., Choi, K., Park, J., Kim, H., Kim, J. Y., Kim, H. H., Nam, S. H., and Kim, C., “Fully integrated photoacoustic microscopy and photoplethysmography of human in vivo” Photoacoustics, Vol 27, 100374, https://doi.org/10.1016/j.pacs.2022.100374 (2022).

A050 Kim, H., Yoo, J., Heo, D., Seo, Y., Lim, H. G.*, and Kim, H. H.*, “High-attenuation backing layer for miniaturized ultrasound transducer,” IEEE Trans. Ultrasonics Ferroelectr. Freq. Contr., Vol 69, Issue 6, 10.1109/TUFFC.2022.3164451 (2022).

A049 Lee, O-J., Lim, H. G., Shung, K. K., Kim, J-T., and Kim, H. H., “Automated estimation of cancer cell deformability with machine learning and acoustic trapping” Scientific Reports, Vol 12, Article number 6891, https://doi.org/10.1038/s41598-022-10882-w (2022).

A048 Kim, H., Cho, J. Y., Ahn, S., Kim, J., Kim, Y., Kim, H. H.*, and Kim, C.*, “Performance comparison of high-speed photoacoustic microscopy: opto-ultrasound combiner versus ring-shaped ultrasound transducer”, Biomedical Engineering Letters, Vol 12, pages 147–153, https://doi.org/10.1007/s13534-022-00218-y (2022).

A047 Park, B., Han, M., Kim, H., Yoo, J., Oh, D.K., Moon, S., Ahn, J., Lim, H. G., Kim, I., Kim, H. H., Rho, J., and Kim, C., “Shear-Force Photoacoustic Microscopy: Toward Super-resolution Near-Field Imaging” Wiley-VCH GmbH, Vol 16, Issue 12, https://doi.org/10.1002/lpor.202200296 (2022).

A046 Yoo, J., Kim, H., Kim, Y., Lim, H. G.*, and Kim, H. H.*, “Collapse pressure measurement of single hollow glass microsphere using single-beam acoustic tweezer“, Ultrasonics Sonochemistry, Vol 82, 105844, https://doi.org/10.1016/j.ultsonch.2021.105844  (2022).

A045 Park, J., Park, B., Yong, U., Ahn, J., Kim, J. Y., Kim, H. H., Jang, J.*, and Kim, C.*, “Bi-modal near-infrared fluorescence and ultrasound imaging via a transparent ultrasound transducer for sentinel lymph node localization” Opt. Lett. 47, 1258-1258, https://doi.org/10.1364/OL.446041 (2022)

A044 Park, J., Park, B., Ahn, J.,  Kim, D., Kim, J. Y., Kim, H.H.*, and Kim, C.*, “Opto-ultrasound biosensor for wearable and mobile devices: realization with a transparent ultrasound transducer,” Biomedical Optics Express, Vol. 13, Issue 9, pp. 4684-4692, https://doi.org/10.1364/BOE.468969 (2021).

A043 Kim, K., Jang, S. G., Lim, H. G., Kim, H. H.*, and Park, S. M.*, “Acoustic Power Transfer Using Self-Focused Transducers for Miniaturized Implantable Neurostimulators“, IEEE Access 9, 153850-153862, 10.1109/ACCESS.2021.3127875 (2021).

A042 Kim, Y., Kim, J., Ahn, J., Han, M., Lim, H. G., Lee, K. J., Lee, J.*, Kim, C.*, and Kim, H. H.*, “Detection of micro inclusions in steel sheets using high‑frequency ultrasound speckle analysis“, Scientific Reports 11:20416, https://doi.org/10.1038/s41598-021-99907-4 (2021).

A041 Park, B., Han, M., Park, J., Kim, T., Ryu, H., Seo, Y., Kim, W. J., Kim, H. H.*, and  Kim, C.*, “A Photoacoustic finder fully integrated with a solid-state dye laser and transparent ultrasound transducer“, Photoacoustics, 23, 100290, https://doi.org/10.1016/j.pacs.2021.100290 (2021).

A040 Kim, K., Yoo, J., Lim, H. G., Lee, M., Park, S. M., and Kim, H. H.*, “Lead-Free Piezoelectric Composite With Lithium Niobate and Barium Titanate Fabricated by Interdigital Pair Bonding Technique“, IEEE Access, 9, 85894-85902, 10.1109/ACCESS.2021.3088458 (2021).

A039 Lim, H. G., Kim, H. H.*,  and Yoon, C.*, “Synthetic Aperture Imaging Using High-Frequency Convex Array for Ophthalmic Ultrasound Applications“, Sensors, 21, 2275, https://doi.org/10.3390/s21072275 (2021).

A038 Park, J., Park, B., Kim, T. Y., Jung, S., Choi, W. J., Ahn, J., Yoon, D. H., Kim, J., Jeon, S., Lee, D., Yong, U., Jang, J., Kim, W. J., Kim, H. K.*, Jeong, U.*, Kim, H. H.*, and Kim, C.*, “Quadruple ultrasound, photoacoustic, optical coherence, and fluorescence fusion imaging with a transparent ultrasound transducer“, PNAS March 16, 118(11) e1920879118, https://doi.org/10.1073/pnas.1920879118 (2021).

A037 Lim, H. G., Kim, H., Kim, K., Park, J., Kim, Y., Yoo, J., Heo, D., Baik, J., Park, S. M., and Kim, H. H.*, “Thermal Ablation and High-Resolution Imaging Using a Back-to-Back (BTB) Dual-Mode Ultrasonic Transducer: In Vivo Results,” Sensors, 21(5), 1580, https://doi.org/10.3390/s21051580 (2021).

A036 Lim, H. G., Liu, H. C., Yoon, C. W., Jung, H., Kim, M. G., Yoon, C., Yoon, Kim. H. H.*, and Shung, K. K., “Investigation of cell mechanics using single-beam acoustic tweezers as a versatile tool for the diagnosis and treatment of highly invasive breast cancer cell lines: an in vitro study”, Microsystems & Nanoengineering, 6(1), 1-12, https://doi.org/10.1038/s41378-020-0150-6 (2020).

A035 Lim, H. G., Lee, O., Shung, K. K., Kim, J. T.*, and Kim, H. H.*, “Classification of Breast Cancer Cells Using the Integration of High-Frequency Single-Beam Acoustic Tweezers and Convolutional Neural Networks“, Cancers, 12(5), 1212, https://doi.org/10.3390/cancers12051212 (2020).

A034 Choi, S., Kim, J. Y., Lim, H. G., Baik, J. W., Kim, H. H.*, and Kim, C.*, “Versatile Single-element Ultrasound imaging platform using a Water-proofed MeMS Scanner for Animals and Humans“, Scientific reports, 10(1), 1-9, https://doi.org/10.1038/s41598-020-63529-z (2020).

A033 Lim, H. G., Kim, H. H.*, Yoon, C., and Shung, K. K., “A One-Sided Acoustic Trap for Cell Immobilization Using 30-MHz Array Transducer“, IEEE Trans. Ultrason. Ferroelect. Freq. Ctrl., Vol. 67, Issue 1, pp. 167-172, 10.1109/TUFFC.2019.2940239 (2019).

A032 Kim, J., Choi, W., Park, E-Y., Kang, Y., Lee, K. J., Kim, Kim. H. H., W. J., and Kim, C., “Real-Time Photoacoustic Thermometry Combined With Clinical Ultrasound Imaging and High-Intensity Focused Ultrasound,” IEEE Transactions on Biomedical Engineering Vol 66, Issue 12, 10.1109/TBME.2019.2904087 (2019).

A031 Li, M., Kim, S., Lee, A., Shrinidhi, A., Ko, Y. H., Lim, H. G., Kim, H. H., Bae, K. B., Park, K. M., and Kim, K., “Bio-orthogonal Supramolecular Latching inside Live Animals and Its Application for in Vivo Cancer Imaging”, ACS Applied Materials & Interfaces, 11(47), 43920-43927, https://doi.org/10.1021/acsami.9b16283 (2019).

A030 Cabrera-Munoz, N., Eliahoo, P., Wodnicki, R., Jung, H., Chiu, C. T., Williams, J. A., Kim, H. H., Zhou, Q., and Shung, K. K., “Fabrication and Characterization of a Miniaturized 15-MHz Side-Looking Phased-Array Transducer Catheter,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control Vol 66, Issue 6, 10.1109/TUFFC.2019.2906134 (2019)

A029 Park, B., Lee, H., Jeon, S., Ahn, J., Kim, H. H., and Kim, C., “Reflection-mode switchable subwavelength Bessel-beam and Gaussian-beam photoacoustic microscopy in vivo,” Journal of Biophotonics, Vol 12, Issue 2, https://doi.org/10.1002/jbio.201800215 (2019).

A028 Cabrera-Munoz, N., Eliahoo, P., Wodnicki, R., Jung, H., Chiu, C. T., Williams, J. A., Kim, H. H., Zhou, Q., and Shung, K. K., “Forward-looking 30-MHz phased-array transducer for peripheral intravascular imaging”, Sensors and Actuators A: Physical, vol. 280, pp. 145-163, https://doi.org/10.1016/j.sna.2018.07.035 (2018).

A027 Jung, H., Wodnicki, R., Lim, H. G., Yoon, C. W., Kang, B. J., Yoon, C., Lee, C., Hwang, J. Y., Kim, H. H., Choi, H., Chen, M. S. W., Zhou, Q., and Shung, K. K., “CMOS High-Voltage Analog 1–64 Multiplexer/Demultiplexer for Integrated Ultrasound Guided Breast Needle Biopsy”, IEEE Trans. Ultrason. Ferroelect. Freq. Ctrl., vol. 65, issue. 8, pp. 1334-1345, 10.1109/TUFFC.2018.2837127 (2018).

A026 Lim, H. G., Kim, H. H., and Yoon, C., “Evaluation method for acoustic trapping performance by tracking motion of trapped microparticle,” Japanese Journal of Applied Physics, vol. 57, Number 5, 10.7567/JJAP.57.057202 (2018).

A025 Yoon, C., Kim, H. H.*, and Shung, K. K., “Development of a low-complexity, cost-effective digital beamformer architecture for high-frequency ultrasound imaging,” IEEE Trans. Ultrason. Ferroelect. Freq. Ctrl., vol. 64, issue. 6, pp. 1002-1008, 10.1109/TUFFC.2017.2690991 (2017).

A024 Yoon, S., Kim, M. G., Chiu, C. T., Hwang, J. Y., Kim, H. H., Wang, Y., and Shung, K. K., “Direct and sustained intracellular delivery of exogenous molecules using acoustic-transfection with high frequency ultrasound,” Scientific Reports, 6:20477, 10.1038/srep20477 (2016).

A023 Kim, M. G., Yoon, S., Kim, H. H., and Shung, K. K., “Impedance matching network for high frequency ultrasonic transducer for cellular applications,” Ultrasonics, vol. 65, pp. 258-267, https://doi.org/10.1016/j.ultras.2015.09.016 (2016).

A022 Cummins, T., Yoon, C., Choi, H., Eliahoo, P., Kim, H. H., Yamashita, M., Larsen, L., Lang, J., Sener, S., Vallone, J., Martin, S., and Shung, K.K., “High frequency ultrasound imaging for breast cancer biopsy guidance,” Journal of Medical Imaging, vol. 2, no. 4, art. 047001,  https://doi.org/10.1117/1.JMI.2.4.047001 (2015).

A021 Yoon, S., Williams, J., Kang, B. J., Yoon, C., Cabrera-Munoz, N., Jeong, J. S., Lee, S. G., Shung, K. K., and Kim, H. H.*, “Angled-focused 45 MHz PMN-PT single element transducer for intravascular ultrasound imaging,” Sensors and Actuators A: Physical, vol. 228, pp. 16-22, https://doi.org/10.1016/j.sna.2015.02.037 (2015).

A020 He, ZY., Zheng, F., Ma, YL., Kim, H. H., Zhou, Q., and Shung, K. K., ” A sidelobe suppressing near-field beamforming approach for ultrasound array imaging,” The Journal of the Acoustical Society of America 137, 2785, https://doi.org/10.1121/1.4919318 (2015).

A019 Yoon, S., Kim, M. G., Williams, J. A., Yoon, C., Kang, B. J., Cabrera-Munoz, N., Shung, K. K., and Kim, H. H.*, “Dual-element needle transducer for intravascular ultrasound imaging,” Journal of Medical Imaging, vol. 2, no. 2, art. 027001, pp. 1-9, https://doi.org/10.1117/1.JMI.2.2.027001 (2015).

A018 Kang, B. J., Park, J., Kim, J., Kim, H. H., Lee, C., Hwang, J. Y., Lien, C. L., and Shung, K. K., “High-frequency dual mode pulsed wave Doppler imaging for monitoring the functional regeneration of zebrafish hearts,” Journal of the Royal Society Interface, vol. 12, no. 103, art. 20141154, pp. 1-10, https://doi.org/10.1098/rsif.2014.1154 (2015).

A017 Hwang, J. Y., Kang, B. J., Lee, C., Kim, H. H., Park, J., Zhou, Q., and Shung, K. K., “Non-contact acoustic radiation force impulse microscopy via photoacoustic detection for probing breast cancer cell mechanics,” Biomedical Optics Express, vol. 6, no. 1, pp. 11-22, https://doi.org/10.1364/BOE.6.000011 (2015).

A016 Yoon, C., Kang, B. J., Lee, C., Kim, H. H.*, and Shung, K. K., “Multi-particle trapping and manipulation by a high-frequency array transducer,” Applied Physics Letters, vol. 105, no. 21, art. 214103, pp. 1-4, https://doi.org/10.1063/1.4902923 (2014).

A015 Hwang, J. Y., Lim, H. G., Yoon, C. W., Lam, K. H., Yoon, S., Lee, C., Chiu, C. T., B. Kang, J., Kim, H. H., and Shung, K. K., “Non-contact high-frequency ultrasound microbeam stimulation for studying mechanotransduction in human umbilical vein endothelial cells,” Ultrasound in Medicine and Biology, vol. 40, no. 9, pp. 2172-2182, https://doi.org/10.1016/j.ultrasmedbio.2014.03.018 (2014).

A014 Hwang, J. Y., Lee, C., Lam, K. H., Kim, H. H., Lee, J., and Shung, K. K., “Cell membrane deformation induced by a fibronectin-coated polystyrene microbead in a 200-MHz acoustic trap,” IEEE Trans. Ultrason. Ferroelect. Freq. Ctrl., vol. 61, no. 3, pp. 399-406, 10.1109/TUFFC.2014.2925 (2014).

A013 Hwang, J. Y., Lee, N. S., Lee, C., Lam, K. H., Kim, H. H., Woo, J., Lin, M. –Y., Kisler, K., Choi, H., Zhou, Q., Chow, R. H., and Shung, K. K., “Investigating contactless high frequency ultrasound microbeam stimulation for determination of invasion potential of breast cancer cells,” Biotechnology and Bioengineering, vol. 110, no. 10, pp. 2697-2705, https://doi.org/10.1002/bit.24923 (2013).

A012 Zheng, F., Li, Y., Hsu, H. –S., Liu, C., Chiu, C. T., Lee, C., Kim, H. H., and Shung, K. K., “Acoustic trapping with a high frequency linear phased array,” Applied Physics Letters, 101, 214104, https://doi.org/10.1063/1.4766912 (2012).

A011 Lee, C., Lee, J., Kim, H. H., Teh, S. –Y., Lee, A., Chung, I. –Y., Park, J. Y., and Shung, K. K., “Microfluidic droplet sorting with a high frequency ultrasound beam,” Lab on a Chip, issue 12, pp. 2736-2742, https://doi.org/10.1039/C2LC21123H (2012).

A010 Lee, J., Lee, C., Kim, H. H., Jakob, A., Lemor, R., Teh, S. -Y., Lee, A., and Shung, K. K., “Targeted cell immobilization by ultrasound microbeam,” Biotechnology and Bioengineering, vol. 108, issue 7, pp. 1643-1650, https://doi.org/10.1002/bit.23073 (2011).

A009 Chabok, H. R., Cannata, J. M., Kim, H. H., Williams, J. A., Park, J., and Shung, K. K., “A high frequency annular array transducer using an interdigital bonded 1-3 composite,” IEEE Trans. Ultrason. Ferroelect. Freq. Ctrl., vol. 58, no. 1, pp. 206-214, 10.1109/TUFFC.2011.1787 (2011).

A008 Silverman, R. H., Kong, F., Chen, Y. C., Lloyd, H. O., Kim, H. H., Cannata, J. M., Shung, K. K., and Coleman, D. J., “High-resolution photoacoustic imaging of ocular tissues,” Ultrasound in Medicine and Biology, vol. 36, no. 5, pp. 733-742, https://doi.org/10.1016/j.ultrasmedbio.2010.02.006 (2010).

A007 Chang, J. H., Kim, H. H., Lee, J., and Shung, K. K., “Frequency compounded imaging with a high-frequency dual element transducer,” Ultrasonics, vol. 50, pp. 453-457, https://doi.org/10.1016/j.ultras.2009.10.003 (2010).

A006 Lee, J., Teh, S. -Y., Lee, A., Kim, H. H., Lee, C., and Shung, K. K., “Transverse acoustic trapping using a Gaussian focused ultrasound,” Ultrasound in Medicine and Biology, vol. 36, no. 2, pp. 350-355, https://doi.org/10.1016/j.ultrasmedbio.2009.10.005 (2010).

A005 Lee, J., Teh, S. -Y., Lee, A., Kim, H. H., Lee, C., and Shung, K. K., “Single beam acoustic trapping,” Applied Physics Letters, 95, 073701, https://doi.org/10.1063/1.3206910 (2009).

A004 Kong, F., Chen, Y. C., Lloyd, H. O., Silverman, R. H., Kim, H. H., Cannata, J. M., and Shung, K. K., “High-resolution photoacoustic imaging with focused laser and ultrasonic beams,” Applied Physics Letters, 94, 033902, https://doi.org/10.1063/1.3073749 (2009).

A003 Kim, H. H.,* Cannata, J. M., Liu, R., Chang, J. H., Silverman, R. H., and Shung, K. K., “20 MHz/40 MHz dual element transducers for high frequency harmonic imaging,” IEEE Trans. Ultrason. Ferroelect. Freq. Ctrl., vol. 55, no. 12, pp. 2683-2691, 10.1109/TUFFC.2008.983 (2008).

A002 Lau, S. T.,  Shao, L. Y.,  Chan, H. L. W.,  Tam, H. Y., Hu, C. -H.,  Kim, H. H., Liu, R.,  Zhou, Q.,  and Shung, K. K., “Characterization of a 40-MHz focused transducer with a fiber grating laser hydrophone,” IEEE Trans. Ultrason. Ferroelect. Freq. Ctrl., vol. 55, no. 12, pp. 2714-2718, 10.1109/TUFFC.2008.987 (2008).

A001 Paeng, D. G.,  Kim, H. H., Lee, S. G.,  Rhim, S. M.,  and Choi, M. J.,  “Fabrication of a 40 MHz single element ultrasonic transducer using a PMN-PT single crystal,” Key Engineering Materials, vols. 321-323, pp.978-983, https://www.scientific.net/KEM.321-323.978 (2006).

        * Indicates corresponding authorship

Conference Proceedings and Presentations

  1. H. Kim, H. G. Lim, J. Yoo, and H. H. Kim, “Precise Control of Ultrasound Stimulation/Treatment by a High-Frequency Focused Ring Transducer”, IEEE International Ultrasonics Symposium, 2020.
  2. H. Kim, H. G. Lim, and H. H. Kim, “Rotating Dual-Mode Ultrasonic Transducer for High Intensity Ultrasound Treatment and High Resolution Imaging”, IEEE International Ultrasonics Symposium, 2020.
  3. Y. Kim, J. Kim, J. Ahn, H. G. Lim, K. J. Lee, J. Lee, C. Kim, and H. H. Kim, “Detection of Micro-Scaled FLaws in the Steel Sheet Using 30 MHz Line-Focused Single-Element Ultrasound Transducer”, IEEE International Ultrasonics Symposium, 2020.
  4. J. Park, B. Park, T. Kim, D. Lee, U. Yong, J. Jang, U. Jeong, H. H. Kim, and C. Kim, “Seamlessly integrated optical and acoustical imaging systems through transparent ultrasonic transducer”, Proc. SPIE 11240, Photons Plus Ultrasound: Imaging and Sensing 2020, 112401P, 2020.
  5. H. G. Lim, J. Park, D. Heo, K. Kim, H. Kim, Y. Kim, J. Yoo, and H. H. Kim, “High Frequency Ultrasonic Levitation of Red Blood Cells Aggregation”, IEEE International Ultrasonics Symposium, Kobe, Japan, 2018.
  6. C. Yoon , H. G. Lim, H. Park , M. Song, and H. H. Kim, “Immobilization of single cells by an array transducer based single-beam acoustic tweezers”, IEEE International Ultrasonics Symposium, Kobe, Japan, 2018.
  7. H. G. Lim and H. H. Kim, “Single-beam acoustic trapping of a single microparticle or levitated cells at high frequency: A new approach for drug delivery”, Focused Ultrasound Symposium, Reston, VA, 2018.
  8. H. H. Kim and H. G. Lim, “Single cell mechanics study using single-beam acoustic tweezers”, IEEE Engineering in Medicine and Biology Conference 2018, Honolulu, HI, 2018.
  9. H. G. Lim and H. H. Kim, “Manipulation of levitated cell aggregates by high frequency acoustic trapping”, 18th International Society for Therapeutic Ultrasound, Nashville, TN, 2018
  10. H. H. Kim, “High frequency ultrasound transducers for high definition imaging”, 2017 International Congress on Ultrasonics, Honolulu, HI, 2017.
  11. [Invited] S. Cho, C. Choi, J. Ahn, S. Yoon, H. H. Kim, and C. Kim, “IVUS Based Photoacoustic Imaging for VP Detection,” The 2nd International Symposium of Vulnerable Heart Research Consortium, Seoul, Korea, 2016.
  12. [Invited] H. H. Kim and C. Kim, “Advanced Photoacoustic/Ultrasound Imaging Solutions in the Medical Imaging Market,” IEEE Engineering and Medicine in Biology Conference 2016, Orlando, FL, 2016.
  13. [Invited] H. H. Kim, “Design and fabrication of high frequency ultrasound array transducers, Fall 2016 Conference of the Acoustics Society of Korea, Gyeongju, Korea, 2016.
  14. H. H. Kim, S. Yoon, N. Cabrera-Munoz, J. Williams, B. J. Kang, C. Yoon, K. K. Shung, “Angled and Press-Focused 40 MHz PMN-PT Single Element Transducers for Intravascular Ultrasound Imaging,” IEEE International Ultrasonics Symposium 2014, Chicago, IL, 2014.
  15. S. Yoon, M. G. Kim, B. J. Kang, C. Yoon, N. Cabrera-Munoz, J. Williams, K. K. Shung, and H. H. Kim, “Dual Element Needle Transducer for Intravascular Ultrasound Imaging,” IEEE International Ultrasonics Symposium 2014, Chicago, IL, 2014.
  16. C. T. Chiu, J. A. Williams, B. J. Kang, T. Abraham, K. K. Shung and H. H. Kim, “Fabrication and Characterization of a 20 MHz Microlinear Phased Array Transducer for Intervention Guidance,” IEEE International Ultrasonics Symposium 2014, Chicago, IL, 2014.
  17. B. J. Kang, J. Y. Hwang, C. Lee, H. H. Kim, J. Park, Q. Zhou, and K. K. Shung, “Photoacoustic – Acoustic Radiation Force Impulse (PA-ARFI) Microscopy,” IEEE International Ultrasonics Symposium 2014, Chicago, IL, 2014.
  18. C. Yoon, B. J. Kang, C. Lee, H. H. Kim, and K. K. Shung, “Micropatterning based on single-beam acoustic trapping,” IEEE International Ultrasonics Symposium 2014, Chicago, IL, 2014.
  19. H. H. Kim, C. Lee, J. Y. Hwang, S. Yoon, K. H. Lam, J. Lee, and K. K. Shung, “Breast cancer cell manipulation with a highly focused high frequency ultrasonic transducer,” IEEE International Ultrasonics Symposium 2013, Prague, Czech Republic, 2013.
  20. T. Cummins, H. Choi, C. Liu, H. H. Kim, and K. K. Shung, “Design of 80 MHz linear array transducers for real-time breast cancer biopsy guidance,” IEEE International Ultrasonics Symposium 2013, Prague, Czech Republic, 2013.
  21. [Invited] H. H. Kim, J. A. Williams, T. Cummins, C. T. Chiu, N. Cabrera-Munoz, and K. K. Shung, “High frequency array transducers for pre-clinical and clinical application,” 11th Annual Ultrasonic Transducer Engineering Conference, Los Angeles, CA, 2013.
  22. B. J. Kang, J. Park, H. H. Kim, J. T. Yen, and K. K. Shung, “Dual gate pulsed wave Doppler imaging for investigating cardiac functions of adult zebrafish,” 11th Annual Ultrasonic Transducer Engineering Conference, Los Angeles, CA, 2013.
  23. J. Y. Hwang, N. S. Lee, C. Lee, K. H. Lam, H. H. Kim, R. H. Chow, and K. K. Shung, “High-frequency ultrasound microbeam stimulation toward cancer research: determination of invasiveness in breast cancer cells,” 11th Annual Ultrasonic Transducer Engineering Conference, Los Angeles, CA, 2013.
  24. H. H. Kim, J. A. Williams, F. Zheng, J. M. Cannata, and K. K. Shung, “High-frequency (30 MHz) phased array transducers for small animal cardiac imaging,” IEEE International Ultrasonics Symposium 2012, Dresden, Germany, 2012.
  25. H. –C. Yang, C. T. Chiu, H. Choi, F. Zheng, C. Liu, W. Qiu, H. H. Kim, and K. K. Shung, “Low cross-talk kerfless annular array ultrasound transducers using 1-3 piezocomposites with pseudo-random pillars,” IEEE International Ultrasonics Symposium 2012, Dresden, Germany, 2012.
  26. J. Y. Hwang, N. S. Lee, C. Lee, K. H. Lam, H. H. Kim, Q. Zhou, R. H. Chow, and K. Kirk Shung, “High-frequency ultrasound microbeam induced calcium elevations in cancer cells: discrimination between invasive and noninvasive breast cancer cells,” IEEE International Ultrasonics Symposium 2012, Dresden, Germany, 2012.
  27. B. J. Kang, J. Park, H. H. Kim, J. T. Yen, and K. K. Shung, “Dual gate pulsed wave Doppler imaging for investigating cardiovascular dysfunctions,” IEEE International Ultrasonics Symposium 2012, Dresden, Germany, 2012.
  28. [Invited] H. H. Kim and K. K. Shung, “High frequency ultrasound array transducers for small parts imaging,” 34th Annual International Conference of the IEEE Engineering in Medicine and Biology Society 2012, p. 339.
  29. J. Lee, C. Lee, H. H. Kim, A. Jakob, R. Lemor, S. –Y. Teh, A. Lee, and K. K. Shung, “Two-dimensional cell trapping by ultrasound microbeam,” IEEE International Ultrasonics Symposium 2011, Orlando, FL, 2011.
  30. C. Lee, J. Lee, S. –Y. Teh, A. Lee, H. H. Kim, and K. K. Shung, “Real time acoustic sensing of flowing microdroplets in a microfluidic device,” IEEE International Ultrasonics Symposium 2011, Orlando, FL, 2011.
  31. H. H. Kim, C. -H. Hu, J. Park, B. J. Kang, J. A. Williams, J. M. Cannata, and K. K. Shung, “Characterization and evaluation of high frequency convex array transducers,” IEEE International Ultrasonics Symposium 2010, pp. 650-653.
  32. H. H. Kim, J. M. Cannata, J. A. Williams, J. H. Chang, J. Park, and K. K. Shung, “Fabrication and characterization of high frequency convex array transducers,” 10th Annual Ultrasonic Transducer Engineering Conference, Los Angeles, CA, 2010.
  33. J. M. Cannata, J. A. Williams, H. H. Kim, H. R. Chabok, C. -H. Hu, and K.K. Shung, “Development of high frequency arrays using interdigital bonded composites,” 10th Annual Ultrasonic Transducer Engineering Conference, Los Angeles, CA, 2010.
  34. J. Lee, S. -Y. Teh, A. Lee, H. H. Kim, C. Lee, and K. K. Shung, “Single particle manipulation by sound beam,” 10th Annual Ultrasonic Transducer Engineering Conference, Los Angeles, CA, 2010.
  35. H. H. Kim, J. M. Cannata, J. A. Williams, J. H. Chang, and K. K. Shung, “Fabrication of 20 MHz convex array transducers for high frequency ophthalmic imaging,” IEEE International Ultrasonics Symposium 2009, pp. 1130-1133.
  36. H. R. Chabok, J. M. Cannata, H. H. Kim, and K. K. Shung, “Development of high frequency annular array ultrasound transducers using interdigital bonded composites,” IEEE International Ultrasonics Symposium 2009, pp. 2708-2711.
  37. R. H. Silverman, L. H. Lloyd, T. Raevsky, H. H. Kim, K. K. Shung, and D. J. Coleman, “Non-linear ultrasonic imaging of the eye with a dual-frequency transducer,” The Association for Research in Vision and Ophthalmology (ARVO) 2008 Annual Meeting, Fort Lauderdale, FL.
  38. H. H. Kim, J. M. Cannata, R. Liu, R. H. Silverman, and K. K. Shung, “Concentric annular type dual element transducers for high frequency eye imaging,” 8th Annual Ultrasonic Transducer Engineering Conference, Los Angeles, CA, 2007.
  39. R. H. Silverman, S. Babar, H. H. Kim, J. M. Cannata, K. K. Shung, and D. J. Coleman, “Tissue-harmonic ultrasound imaging with a dual-frequency annular transducer,” The Association for Research in Vision and Ophthalmology (ARVO) 2007 Annual Meeting, Fort Lauderdale, FL.
  40. H. H. Kim, J. H. Chang, J. M. Cannata, and K. K. Shung, “Design of 20 MHz convex array transducers for high frequency ophthalmic imaging,” IEEE International Ultrasonics Symposium 2007, pp. 88-91.
  41. R. Liu, H. H. Kim, J. M. Cannata, G. S. Chen, and K. K. Shung, “Self-focused 1-3 composite LiNbO3 single element transducers for high frequency HIFU applications,” IEEE International Ultrasonics Symposium 2007, pp. 949-952.
  42. H. H. Kim, J. M. Cannata, R. Liu, L. Sun, K. K. Shung, R. H. Silverman, and S. Babar, “Dual element transducers for high frequency harmonic imaging,” IEEE International Ultrasonics Symposium 2006, pp. 2325-2328.
  43. S. M. Rhim, H. H. Kim, H. Jung, S. Kim, and S. G. Lee, “A 128 channel 7.5 MHz linear array ultrasonic probe using PMN-PT single crystal,” IEEE International Ultrasonics Symposium 2003, pp. 782-785.

Patent Applications

  1. H. H. Kim, J. H. Chang, and K. K. Shung, “High frequency ultrasonic convex array transducers and tissue imaging,” United States Patent Application publication, No. US 2010/0256488 A1, Oct. 2010
  2. H. H. Kim, K. K. Shung, and J. H. Chang, “Self-focused high frequency ultrasound needle transducers,” United States Provisional Patent Application, No. 61/092,485, May 2008