Search Results - "Kim, Jungsub"

Non-destructive Inspection System for Self-piercing Riveting in CFRP-Metal Joining Product Using Stereoscopic Method with Robotic Manipulator by Lee, Hyunjae, Kim, Jungsub, Guo, Xiangyu, Lee, ChaBum

“…This paper presents a non-destructive inspection system for the self-piercing riveting (SPR) in carbon fiber reinforced plastic (CFRP)-metal joining products…”
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Overcoming the fundamental light-extraction efficiency limitations of deep ultraviolet light-emitting diodes by utilizing transverse-magnetic-dominant emission by Kim, Dong Yeong, Park, Jun Hyuk, Lee, Jong Won, Hwang, Sunyong, Oh, Seung Jae, Kim, Jungsub, Sone, Cheolsoo, Schubert, E. Fred, Kim, Jong Kyu

“…While the demand for deep ultraviolet (DUV) light sources is rapidly growing, the efficiency of current AlGaN-based DUV light-emitting diodes (LEDs) remains…”
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An elegant route to overcome fundamentally-limited light extraction in AlGaN deep-ultraviolet light-emitting diodes: Preferential outcoupling of strong in-plane emission by Lee, Jong Won, Kim, Dong Yeong, Park, Jun Hyuk, Schubert, E. Fred, Kim, Jungsub, Lee, Jinsub, Kim, Yong-Il, Park, Youngsoo, Kim, Jong Kyu

“…While there is an urgent need for semiconductor-based efficient deep ultraviolet (DUV) sources, the efficiency of AlGaN DUV light-emitting diodes (LEDs)…”
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In-Process Cutting Temperature Monitoring Method Based on Impedance Model of Dielectric Coating Layer at Tool-Chip Interface by Chun, Heebum, Park, William, Kim, Jungsub, Lee, ChaBum

“…This paper introduces a novel approach to in-process monitoring of the cutting temperature at the tool-chip interface (TCI). Currently, there are no tools…”
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Enhanced light extraction efficiency of micro-ring array AlGaN deep ultraviolet light-emitting diodes by Fayisa, Gabisa Bekele, Lee, Jong Won, Kim, Jungsub, Kim, Yong-Il, Park, Youngsoo, Kim, Jong Kyu

“…An effective approach to overcome inherently poor light extraction efficiency of AlGaN-based deep ultraviolet (DUV) light-emitting diodes (LEDs) is presented…”
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Arrays of Truncated Cone AlGaN Deep-Ultraviolet Light-Emitting Diodes Facilitating Efficient Outcoupling of in-Plane Emission by Lee, Jong Won, Park, Jun Hyuk, Kim, Dong Yeong, Schubert, E. Fred, Kim, Jungsub, Lee, Jinsub, Kim, Yong-ll, Park, Youngsoo, Kim, Jong Kyu

“…Despite a rapidly growing demand for efficient man-made deep-ultraviolet (DUV) light sources, widespread adoption of AlGaN-based DUV light-emitting diodes…”
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The effects of low temperature buffer layer on the growth of pure Ge on Si(001) by Shin, Keun Wook, Kim, Hyun-Woo, Kim, Jungsub, Yang, Changjae, Lee, Sangsoo, Yoon, Euijoon

“…We investigated the effects of low temperature (LT) Ge buffer layers on the two-step Ge growth by varying the thickness of buffer layers. Whereas the two-step…”
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Modeling Soft Errors at the Device and Logic Levels for Combinational Circuits by Ramanarayanan, R., Degalahal, V.S., Krishnan, R., Jungsub Kim, Narayanan, V., Yuan Xie, Irwin, M.J., Unlu, K.

“…Radiation-induced soft errors in combinational logic is expected to become as important as directly induced errors on state elements. Consequently, it has…”
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Concurrent self-assembly of RGB microLEDs for next-generation displays by Chang, Wonjae, Kim, Jungsub, Kim, Myoungsoo, Lee, Min Woo, Lim, Chung Hyun, Kim, Gunho, Hwang, Sunghyun, Chang, Jeeyoung, Min, Young Hwan, Jeon, Kiseong, Kim, Soohyun, Choi, Yoon-Ho, Lee, Jeong Soo

“…MicroLED displays have been in the spotlight as the next-generation displays owing to their various advantages, including long lifetime and high brightness…”
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Wafer particle inspection technique using computer vision based on a color space transform model by Chun, Heebum, Wang, Jingyan, Kim, Jungsub, Lee, ChaBum

“…The preparation of defect-free wafers serves as a critical stage prior to fabrication of devices or chips as it is not possible to pattern any devices or chips…”
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Three-axis displacement sensor-integrated spindle system for carbon fiber-reinforced plastic (CFRP) machining process monitoring by Kim, Jungsub, Chun, Heebum, Lee, ChaBum

“…We present a carbon fiber-reinforced plastic (CFRP) milling process monitoring method based on the multi-axis displacement sensor integrated with the precision…”
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Improved performance of AlGaN-based deep ultraviolet light-emitting diodes with nano-patterned AlN/sapphire substrates by Lee, Donghyun, Lee, Jong Won, Jang, Jeonghwan, Shin, In-Su, Jin, Lu, Park, Jun Hyuk, Kim, Jungsub, Lee, Jinsub, Noh, Hye-Seok, Kim, Yong-Il, Park, Youngsoo, Lee, Gun-Do, Park, Yongjo, Kim, Jong Kyu, Yoon, Euijoon

“…We demonstrated AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) with periodic air-voids-incorporated nanoscale patterns enabled by nanosphere…”
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A single camera unit-based three-dimensional surface imaging technique by Wang, Yinhe, Guo, Xiangyu, Kim, Jungsub, Lin, Pengfei, Lu, Kuan, Lee, Hyunjae, Lee, ChaBum

“…This paper introduces a simple three-dimensional (3D) stereoscopic method using a single unit of an imaging device consisting of a charge-coupled device (CCD)…”
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Spindle vibration mitigation utilizing additively manufactured auxetic materials by Kim, Jungsub, Hegde, Himanshu, Kim, Hyo-young, Lee, ChaBum

“…This paper presents novel spindle holders fabricated by using auxetic materials for spindle vibration mitigation. Unlike traditional spindle vibration…”
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Non-destructive surface and subsurface characterization of the machined parts by using fiber optic Eddy current sensor by Kim, Jungsub, Ju, Song Hyeon, Nam, Jungsoo, Kuttolamadom, Mathew, Lee, ChaBum

“…This paper introduces a fiber-optic eddy current sensor (FECS) to enable non-destructive surface and subsurface characterization of the subtractive or additive…”
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Compact curved-edge displacement sensor-embedded spindle system for machining process monitoring by Kim, Jungsub, Lee, Seungjoo, Chun, Heebum, Lee, ChaBum

“…Spindle dynamic conditions such as stiffness, damping, runout, and resonance frequencies are the most important factors to determine the quality of the…”
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Korean and American Teachers' Praising Styles and Teaching Practices by Bang, Hyeyoung, Kim, Jungsub

“…Praising is a crucial part of teaching performance that greatly impacts student performance and self-esteem. South Korean teachers are traditionally known to…”
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Enhanced light extraction efficiency of AlGaN-based deep-ultraviolet light-emitting diodes by utilizing strong sidewall emission by Jong Won Lee, Jun Hyuk Park, Dong Yeong Kim, Jungsub Kim, Schubert, E. Fred, Jong Kyu Kim

“…We demonstrate new design of Deep-UV LEDs extracting strong sidewall-emission redirect top direction. We observe considerably enhanced optical and improved…”
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Comparative analysis of oxide phase formation and its effects on electrical properties of SiO2/InSb metal-oxide-semiconductor structures by Lee, Jaeyel, Park, Sehun, Kim, Jungsub, Yang, Changjae, Kim, Sujin, Seok, Chulkyun, Park, Jinsub, Yoon, Euijoon

“…We report on the changes in the interfacial phases between SiO2 and InSb caused by various deposition temperatures and heat treatments. X-ray photoelectron…”
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Distinct U-shape efficiency-versus-current curves in AlGaN-based deep-ultraviolet light-emitting diodes by Park, Jun Hyuk, Lin, Guan-Bo, Kim, Dong Yeong, Lee, Jong Won, Cho, Jaehee, Kim, Jungsub, Lee, Jinsub, Kim, Yong-Il, Park, Youngsoo, Schubert, E Fred, Kim, Jong Kyu

“…The efficiency of an AlGaN deep-ultraviolet light-emitting diode with peak emission wavelength of 285 nm is investigated as a function of current over a wide…”
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