Search Results - "Hyun Wook Jung"

Production of brown algae pyrolysis oils for liquid biofuels depending on the chemical pretreatment methods by Choi, Joonhyuk, Choi, Jae-Wook, Suh, Dong Jin, Ha, Jeong-Myeong, Hwang, Ji Won, Jung, Hyun Wook, Lee, Kwan-Young, Woo, Hee-Chul

“…•Pyrolysis of Saccharina japonica, brown algae to produce hydrocarbons.•Sulfuric acid pretreatment of macroalgae to remove inorganic elements.•CaCl2 treatment…”
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Analysis of issues in gate recess etching in the InAlAs/InGaAs HEMT manufacturing process by Min, Byoung‐Gue, Lee, Jong‐Min, Yoon, Hyung Sup, Chang, Woo‐Jin, Park, Jong‐Yul, Kang, Dong Min, Chang, Sung‐Jae, Jung, Hyun‐Wook

“…We have developed an InAlAs/InGaAs metamorphic high electron mobility transistor device fabrication process where the gate length can be tuned within the range…”
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Electrical properties of phosphorus-doped polycrystalline germanium formed by solid-phase and metal-induced crystallization by Jung, Hyun-Wook, Jung, Woo-Shik, Yu, Hyun-Yong, Park, Jin-Hong

“…Electrical properties of poly-Ge films achieved by SPC and MIC methods were investigated through XRD and Hall-effect measurements. In particular, dependency of…”
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A Study on the Oxygen Permeability Behavior of Nanoclay in a Polypropylene/Nanoclay Nanocomposite by Biaxial Stretching by Jung, Bich-Nam, Jung, Hyun-Wook, Kang, Dong-Ho, Kim, Gi-Hong, Shim, Jin-Kie

“…Polypropylene (PP) has poor oxygen barrier properties, therefore it is manufactured in a multi-layer structure with other plastics and metals, and has been…”
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Operability coating window of dual-layer slot coating process using viscocapillary model by Ji, Ho Suk, Ahn, Won-Gi, Kwon, Ilyoung, Nam, Jaewook, Jung, Hyun Wook

“…The viscocapillary model for predicting the operability windows in a dual-slot coating process for two Newtonian liquids has been derived by means of a…”
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Effect of methacryloxypropyl and phenyl functional groups on crosslinking and rheological and mechanical properties of ladder-like polysilsesquioxane hard coatings by Jung, Kevin Injoe, Hwang, Seon Oh, Kim, Na Hee, Lee, Dong Geun, Lee, Jung-Hyun, Jung, Hyun Wook

“…•Ladder-like polysilsesquioxanes with different functional groups were synthesized.•Role of methacryloxypropyl and phenyl groups for coating application was…”
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Physical and rheological properties of deasphalted oil produced from solvent deasphalting by Shin, Sangcheol, Lee, Jung Moo, Hwang, Ji Won, Jung, Hyun Wook, Nho, Nam Sun, Lee, Ki Bong

“…•The physical and rheological properties of deasphalted oil (DAO) were investigated.•The portion of asphaltenes in DAO is reduced, resulting in low contaminant…”
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Effects of DC and AC stress on the VT shift of AlGaN/GaN MIS-HEMTs by Kang, Soo Cheol, Jung, Hyun-Wook, Chang, Sung-Jae, Choi, Ilgyu, Lee, Sang Kyung, Kim, Seung Mo, Lee, Byoung Hun, Ahn, Ho-Kyun, Lim, Jong-Won

“…AlGaN/GaN MIS-HEMTs with adjusted VT were fabricated using a recess gate to investigate the effect on actual operation when the polarity of the gate voltage is…”
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A Study on the Behavior of Gate Recess Etch by Photoresist Openings on Ohmic Electrode in InAlAs/InGaAs mHEMT Devices by Min, Byoung-Gue, Chang, Sung-Jae, Jung, Hyun-Wook, Yoon, Hyung Sup, Lee, Jong-Min, Jang, Woo-Jin, Kang, Dong-Min

“…In the fabrication of InAlAs/InGaAs metamorphic high-electron-mobility transistor (mHEMT), the determination of whether etching has been completed to the…”
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W‐Band MMIC chipset in 0.1‐μm mHEMT technology by Lee, Jong‐Min, Chang, Woo‐Jin, Kang, Dong Min, Min, Byoung‐Gue, Yoon, Hyung Sup, Chang, Sung‐Jae, Jung, Hyun‐Wook, Kim, Wansik, Jung, Jooyong, Kim, Jongpil, Seo, Mihui, Kim, Sosu

“…We developed a 0.1‐μm metamorphic high electron mobility transistor and fabricated a W‐band monolithic microwave integrated circuit chipset with our in‐house…”
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Dynamic Change in Color Filter Layers during the Baking Process by Multi‐Speckle Diffusing Wave Spectroscopy by Park, Baek Sung, Hyung, Kyung Hee, Oh, Gwi Jeong, Jung, Hyun Wook

“…Undercut defects of color filter (CF) layers, which inevitably occur in UV curing and development processes for liquid crystal displays and white organic…”
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Recess-Etched and Tetramethylammonium Hydroxide-Treated Nanoscale Pattern on AlGaN/GaN High-Electron-Mobility-Transistors for Improved Ohmic Contact by Jung, Hyun-Wook, Chang, Sung-Jae, Ahn, Ho-Kyun, Kim, Haecheon, Lim, Jong-Won, Do, Jae-Won

“…Ohmic contacts are formed by recess etching the source and the drain regions with line and dot patterns of a few hundred nanometers on an AlGaN/GaN…”
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The effects of tetramethylammonium hydroxide treatment on the performance of recessed-gate AlGaN/GaN high electron mobility transistors by Do, Jae-Won, Jung, Hyun-Wook, Shin, Min Jeong, Ahn, Ho-Kyun, Kim, Haecheon, Kim, Ryun-Hwi, Cho, Kyu Jun, Chang, Sung-Jae, Min, Byoung-Gue, Yoon, Hyung Sup, Kim, Ji-Heon, Yang, Jin-Mo, Lee, Jung-Hee, Lim, Jong-Won

“…AlGaN/GaN high electron mobility transistors (HEMTs) are fabricated using a gate recess process and a surface treatment with tetramethylammonium hydroxide…”
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Substrate Effects on the Electrical Properties in GaN-Based High Electron Mobility Transistors by Chang, Sung-Jae, Cho, Kyu-Jun, Lee, Sang-Youl, Jeong, Hwan-Hee, Lee, Jae-Hoon, Jung, Hyun-Wook, Bae, Sung-Bum, Choi, Il-Gyu, Kim, Hae-Cheon, Ahn, Ho-Kyun, Lim, Jong-Won

“…We report the electrical characteristics of GaN-based high electron mobility transistors (HEMTs) operated on various substrates/films. For the detailed…”
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Analysis of issues in gate recess etching in the InAlAs/InGaAs HEMT manufacturing process by Byoung-Gue Min, Jong-Min Lee, Hyung Sup Yoon, Woo-Jin Chang, Jong-Yul Park, Dong Min Kang 외

“…We have developed an InAlAs/InGaAs metamorphic high electron mobility transistor device fabrication process where the gate length can be tuned within the range…”
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Effect of annealing on the crystallization and properties of electrospun polylatic acid and nylon 6 fibers by Cho, Ah-Ra, Shin, Dong Myeong, Jung, Hyun Wook, Hyun, Jae Chun, Lee, Joo Sung, Cho, Daehwan, Joo, Yong Lak

“…Electrospinning experiments for solutions of two polymers with different crystallization rates, polylatic acid (PLA), and nylon 6 solutions have been carried…”
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Comprehensive Research of Total Ionizing Dose Effects in GaN-Based MIS-HEMTs Using Extremely Thin Gate Dielectric Layer by Chang, Sung-Jae, Kim, Dong-Seok, Kim, Tae-Woo, Lee, Jung-Hee, Bae, Youngho, Jung, Hyun-Wook, Kang, Soo Cheol, Kim, Haecheon, Noh, Youn-Sub, Lee, Sang-Heung, Kim, Seong-Il, Ahn, Ho-Kyun, Lim, Jong-Won

“…The device performance deterioration mechanism caused by the total ionizing dose effect after the γ-ray irradiation was investigated in GaN-based…”
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Mechanisms of the Device Property Alteration Generated by the Proton Irradiation in GaN-Based MIS-HEMTs Using Extremely Thin Gate Insulator by Chang, Sung-Jae, Kim, Dong-Seok, Kim, Tae-Woo, Bae, Youngho, Jung, Hyun-Wook, Choi, Il-Gyu, Noh, Youn-Sub, Lee, Sang-Heung, Kim, Seong-Il, Ahn, Ho-Kyun, Kang, Dong-Min, Lim, Jong-Won

“…Recently, we reported that device performance degradation mechanisms, which are generated by the γ-ray irradiation in GaN-based metal-insulator-semiconductor…”
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Characteristics of enhanced-mode AlGaN/GaN MIS HEMTs for millimeter wave applications by Lee, Jong-Min, Ahn, Ho-Kyun, Jung, Hyun-Wook, Shin, Min Jeong, Lim, Jong-Won

“…In this paper, an enhanced-mode (E-mode) AlGaN/GaN high electron mobility transistor (HEMT) was developed by using 4-inch GaN HEMT process. We designed and…”
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Charging Effect by Fluorine-Treatment and Recess Gate for Enhancement-Mode on AlGaN/GaN High Electron Mobility Transistors by Kang, Soo Cheol, Jung, Hyun-Wook, Chang, Sung-Jae, Kim, Seung Mo, Lee, Sang Kyung, Lee, Byoung Hun, Kim, Haecheon, Noh, Youn-Sub, Lee, Sang-Heung, Kim, Seong-Il, Ahn, Ho-Kyun, Lim, Jong-Won

“…An enhancement-mode AlGaN/GaN metal-insulator-semiconductor high-electron- mobility-transistor was fabricated using a recess gate and CF4 plasma treatment to…”
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