Search Results - "Lee, Yongsu"

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  1. 1

    A 82-nW Chaotic Map True Random Number Generator Based on a Sub-Ranging SAR ADC by Kim, Minseo, Ha, Unsoo, Lee, Kyuho Jason, Lee, Yongsu, Yoo, Hoi-Jun

    Published in IEEE journal of solid-state circuits (01-07-2017)
    “…An ultra-low power true random number generator (TRNG) based on a sub-ranging SAR analog-to-digital converter (ADC) is proposed. The proposed TRNG is composed…”
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    Journal Article
  2. 2

    Toward all-day wearable health monitoring: An ultralow-power, reflective organic pulse oximetry sensing patch by Lee, Hyeonwoo, Kim, Eunhye, Lee, Yongsu, Kim, Hoyeon, Lee, Jaeho, Kim, Mincheol, Yoo, Hoi-Jun, Yoo, Seunghyup

    Published in Science advances (01-11-2018)
    “…Pulse oximetry sensors have been playing a key role as devices to monitor elemental yet critical human health states. Conventional pulse oximetry sensors,…”
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    Journal Article
  3. 3

    A 4.9 mΩ-Sensitivity Mobile Electrical Impedance Tomography IC for Early Breast-Cancer Detection System by Hong, Sunjoo, Lee, Kwonjoon, Ha, Unsoo, Kim, Hyunki, Lee, Yongsu, Kim, Youchang, Yoo, Hoi-Jun

    Published in IEEE journal of solid-state circuits (01-01-2015)
    “…A mobile electrical impedance tomography (EIT) IC is proposed for early breast cancer detection personally at home. To assemble the entire system into a simple…”
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    Journal Article
  4. 4

    A 1.4-m \Omega -Sensitivity 94-dB Dynamic-Range Electrical Impedance Tomography SoC and 48-Channel Hub-SoC for 3-D Lung Ventilation Monitoring System by Kim, Minseo, Jang, Jaeeun, Kim, Hyunki, Lee, Jihee, Lee, Jaehyuck, Lee, Jiwon, Lee, Kyoung-Rog, Kim, Kwantae, Lee, Yongsu, Lee, Kyuho Jason, Yoo, Hoi-Jun

    Published in IEEE journal of solid-state circuits (01-11-2017)
    “…A wearable electrical impedance tomography (EIT) system is proposed for the portable real-time 3-D lung ventilation monitoring. It consists of two types of…”
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    Journal Article
  5. 5

    Dual-channel P-type ternary DNTT–graphene barristor by Lee, Yongsu, Kim, Seung-Mo, Kim, Kiyung, Kim, So-Young, Lee, Ho-In, Kwon, Heejin, Lee, Hae-Won, Kim, Chaeeun, Some, Surajit, Hwang, Hyeon Jun, Lee, Byoung Hun

    Published in Scientific reports (12-11-2022)
    “…P -type ternary switch devices are crucial elements for the practical implementation of complementary ternary circuits. This report demonstrates a p -type…”
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    Journal Article
  6. 6

    Area and Device Count Efficient Binary Logic Circuits using Anti‐Ambipolar Switch Devices by Jun, Jae Hyeon, Lee, Yongsu, Lee, Hae‐Won, Kim, Minjae, Hwang, Hyeon Jun, Lee, Byoung Hun

    Published in Advanced electronic materials (01-08-2024)
    “…The unique characteristics of an anti‐ambipolar switch (AAS) device exhibit Λ‐shaped transfer responses (namely delta conductance) and present unique…”
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    Journal Article
  7. 7

    A Wearable EEG-HEG-HRV Multimodal System With Simultaneous Monitoring of tES for Mental Health Management by Ha, Unsoo, Lee, Yongsu, Kim, Hyunki, Roh, Taehwan, Bae, Joonsung, Kim, Changhyeon, Yoo, Hoi-Jun

    “…A multimodal mental management system in the shape of the wearable headband and earplugs is proposed to monitor electroencephalography (EEG),…”
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    Journal Article
  8. 8

    Implementation of mmWave long‐range backhaul for UAV‐BS by Moon, Jangwon, Kim, Junwoo, Lee, Hoon, Moon, Youngjin, Lee, Yongsu, Bang, Youngjo, Sohn, Kyungyeol, Bae, Jungsook, Kim, Kwangseon, Bahng, Seungjae, Lee, Heesoo

    Published in ETRI journal (01-10-2023)
    “…Uncrewed aerial vehicles (UAVs) have become a vital element in nonterrestrial networks, especially with respect to 5G communication systems and beyond. The use…”
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    Journal Article
  9. 9

    Gamma-Irradiation-Induced Electrical Characteristic Variations in MoS2 Field-Effect Transistors with Buried Local Back-Gate Structure by Kim, Su Jin, Hwang, Seungkwon, Kwon, Jung-Dae, Yoon, Jongwon, Park, Jeong Min, Lee, Yongsu, Kim, Yonghun, Kang, Chang Goo

    Published in Nanomaterials (Basel, Switzerland) (07-08-2024)
    “…The impact of radiation on MoS2-based devices is an important factor in the utilization of two-dimensional semiconductor-based technology in…”
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    Journal Article
  10. 10

    Copper-graphene heterostructure for back-end-of-line compatible high-performance interconnects by Son, Myungwoo, Jang, Jaewon, Lee, Yongsu, Nam, Jungtae, Hwang, Jun Yeon, Kim, In S., Lee, Byoung Hun, Ham, Moon-Ho, Chee, Sang-Soo

    Published in NPJ 2D materials and applications (12-04-2021)
    “…Here, we demonstrate the fabrication of a Cu-graphene heterostructure interconnect by the direct synthesis of graphene on a Cu interconnect with an enhanced…”
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    Journal Article
  11. 11

    Facile process to clean PMMA residue on graphene using KrF laser annealing by Hwang, Hyeon Jun, Lee, Yongsu, Cho, Chunhum, Lee, Byoung Hun

    Published in AIP advances (01-10-2018)
    “…Persistent PMMA residue formed during a graphene transfer has been a culprit in the optimization of graphene device performance. We demonstrated a facile…”
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    Journal Article
  12. 12

    Sticker-Type Hybrid Photoplethysmogram Monitoring System Integrating CMOS IC With Organic Optical Sensors by Lee, Yongsu, Lee, Hyeonwoo, Jang, Jaeeun, Lee, Jihee, Kim, Minseo, Lee, Jaehyuk, Kim, Hyunki, Yoo, Seunghyup, Yoo, Hoi-Jun

    “…A sticker-type system with hybrid integration of CMOS IC and organic optical sensors is proposed to monitor photoplethysmogram (PPG) signals. To solve problems…”
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    Journal Article
  13. 13

    Highly Enhanced Performance of Network Channel Polysilicon Thin-Film Transistors by Lee, Hojoon, Lee, Junyoung, Baek, Sangwon, Jeong, Woong Hee, Lee, Yongsu, Yang, Taehoon, Lee, Jeong-Soo

    Published in IEEE electron device letters (01-02-2017)
    “…This letter presents the electrical characteristics of newly proposed network-channel low-temperature polysilicon channel (LTPS) thin-film transistors (TFTs)…”
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    Journal Article
  14. 14

    Demonstration of p-type stack-channel ternary logic device using scalable DNTT patterning process by Lee, Yongsu, Kwon, Heejin, Kim, Seung-Mo, Lee, Ho-In, Kim, Kiyung, Lee, Hae-Won, Kim, So-Young, Hwang, Hyeon Jun, Lee, Byoung Hun

    Published in Nano convergence (09-03-2023)
    “…A p -type ternary logic device with a stack-channel structure is demonstrated using an organic p -type semiconductor, dinaphtho[2,3- b :2',3'- f ]thieno[3,2- b…”
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    Journal Article
  15. 15

    A 79 pJ/b 80 Mb/s Full-Duplex Transceiver and a 42.5\;\upmu\text 100 kb/s Super-Regenerative Transceiver for Body Channel Communication by Hyunwoo Cho, Hyunki Kim, Minseo Kim, Jaeeun Jang, Yongsu Lee, Lee, Kyuho Jason, Joonsung Bae, Hoi-Jun Yoo

    Published in IEEE journal of solid-state circuits (01-01-2016)
    “…A low-energy 40/160 MHz dual-band full duplex body channel communication (BCC) transceiver and a 13.56 MHz R-C oscillator-based super-regenerative transceiver…”
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    Journal Article
  16. 16

    A 540- \mu\text Duty Controlled RSSI With Current Reusing Technique for Human Body Communication by Jang, Jaeeun, Lee, Yongsu, Cho, Hyunwoo, Yoo, Hoi-Jun

    “…An ultra-low-power duty controlled received signal strength indicator (RSSI) is implemented for human body communication (HBC) in 180 nm CMOS technology under…”
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    Journal Article
  17. 17

    Impact of geometrical parameters on the electrical performance of network-channel polycrystalline silicon thin-film transistors by Lee, Junyoung, Lee, Hojoon, Jin, Bo, Oh, Hyeongwan, Baek, Sangwon, Yoon, Gilsang, Lee, Yongsu, Baek, Rock-Hyun, Lee, Jeong-Soo

    Published in Japanese Journal of Applied Physics (01-10-2018)
    “…The effects of geometrical parameters on the electrical characteristics of network-channel low-temperature polycrystalline silicon (LTPS) thin-film transistors…”
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    Journal Article
  18. 18

    A 82nW chaotic-map true random number generator based on sub-ranging SAR ADC by Minseo Kim, Unsoo Ha, Yongsu Lee, Kyuho Lee, Hoi-Jun Yoo

    “…An ultra-low power true random number generator (TRNG) based on sub-ranging SAR ADC is proposed. The proposed TRNG shares the coarse-ADC circuit with…”
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    Conference Proceeding
  19. 19

    Tunable AC/DC converter using graphene-germanium barristor based half-wave rectifier by Heo, Sunwoo, Kwon, Min Gyu, Lee, Ho-In, Kim, Cihyun, Kim, Seung Mo, Chang, Kyoung Eun, Lee, Yongsu, Lee, Byoung Hun

    Published in AIP advances (01-09-2019)
    “…Tunable DC voltage control circuit based on a half-wave rectifier was developed using a graphene–germanium barristor. The output DC voltage level could be…”
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    Journal Article
  20. 20

    A 0.54-mW duty controlled RSSI with current reusing technique for human body communication by Jaeeun Jang, Yongsu Lee, Hyunwoo Cho, Hoi-Jun Yoo

    “…A low power adaptive controlled current-reusing received signal strength indicator (RSSI) is proposed for the human body communication (HBC). The proposed RSSI…”
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    Conference Proceeding