Search Results - "Sungbong Park"

Identification of False Rotor Fault Indications Produced by Online MCSA for Medium-Voltage Induction Machines by Lee, Sang Bin, Hyun, Doosoo, Kang, Tae-june, Yang, Chanseung, Shin, Sungsik, Kim, Heonyoung, Park, Sungbong, Kong, Tae-Sik, Kim, Hee-Dong

“…Motor current signature analysis (MCSA) has become an essential part of the preventive maintenance program for monitoring the condition of the rotor cage in…”
Get full text

Reliable Detection of Rotor Faults Under the Influence of Low-Frequency Load Torque Oscillations for Applications With Speed Reduction Couplings by Heonyoung Kim, Sang Bin Lee, Sungbong Park, Kia, Shahin Hedayati, Capolino, Gerard-Andre

“…Low-frequency torque oscillations in the load can induce frequency components in the vicinity of that of rotor faults (RFs) resulting in false alarms when…”
Get full text

Enhanced direct bandgap emission in germanium by micromechanical strain engineering by Lim, Peng Huei, Park, Sungbong, Ishikawa, Yasuhiko, Wada, Kazumi

“…We propose a new class of optoelectronic devices in which the optical properties of the active material is enhanced by strain generated from micromechanical…”
Get full text

Monolithic Integration of Silicon-, Germanium-, and Silica-Based Optical Devices for Telecommunications Applications by Tsuchizawa, Tai, Yamada, Koji, Watanabe, Toshifumi, Sungbong Park, Nishi, Hidetaka, Rai Kou, Shinojima, Hiroyuki, Itabashi, Sei-ichi

“…This paper presents our recent progress with the integration of silicon (Si) photonic devices for optical telecommunications. To integrate Si wire waveguides,…”
Get full text

New tunneling source follower with low 1/f noise and high voltage gain by Kim, Ki Yeong, Kim, Hyangwoo, Choi, Minkeun, Oh, Kyounghwan, Yoo, Hyeongseok, Kim, Yijoon, Sol, Yoon, Park, Sungbong, Lee, Jae-Kyu, Baek, Chang-Ki

“…We have designed a tunneling source follower (TSF) for image sensors that achieves high voltage gain ( A v ) and low 1/ f noise simultaneously. The TSF is…”
Get full text

Si Photonics and Fiber to the Home by Wada, Kazumi, Park, Sungbong, Ishikawa, Yasuhiko

“…This paper describes Si photonics and the key application to fiber-to-the-home (FTTH). Mass production in terms of complementary metal-oxide-semiconductor…”
Get full text

Monolithic integration and synchronous operation of germanium photodetectors and silicon variable optical attenuators by Park, Sungbong, Tsuchizawa, Tai, Watanabe, Toshifumi, Shinojima, Hiroyuki, Nishi, Hidetaka, Yamada, Koji, Ishikawa, Yasuhiko, Wada, Kazumi, Itabashi, Seiichi

“…We demonstrate the monolithic integration of germanium (Ge) p-i-n photodetector (PDs) with silicon (Si) variable optical attenuator (VOAs) based on…”
Get full text

Influence of carrier lifetime on performance of silicon p-i-n variable optical attenuators fabricated on submicrometer rib waveguides by Park, Sungbong, Yamada, Koji, Tsuchizawa, Tai, Watanabe, Toshifumi, Shinojima, Hiroyuki, Nishi, Hidetaka, Kou, Rai, Itabashi, Sei-ichi

“…We investigated influence of carrier lifetime on performance of silicon (Si) p-i-n variable optical attenuators (VOAs) on submicrometer Si rib waveguides. VOAs…”
Get full text

All-silicon and in-line integration of variable optical attenuators and photodetectors based on submicrometer rib waveguides by Park, Sungbong, Yamada, Koji, Tsuchizawa, Tai, Watanabe, Toshifumi, Nishi, Hidetaka, Shinojima, Hiroyuki, Itabashi, Sei-ichi

“…We demonstrate a monolithic integration of variable optical attenuators (VOAs) and photodetectors (PDs) based on submicrometer silicon (Si) rib waveguide with…”
Get full text

Reverse current reduction of Ge photodiodes on Si without post-growth annealing by Sungbong Park, Sungbong Park, Shinya Takita, Shinya Takita, Yasuhiko Ishikawa, Yasuhiko Ishikawa, Jiro Osaka, Jiro Osaka, Kazumi Wada, and Kazumi Wada

Get full text

Strain and Absorption Coefficient of Finite Ge Structures on Si by Park, Sungbong, Ishikawa, Yasuhiko, Wada, Kazumi, Tsusaka, Yoshiyuki, Matsui, Junji

Get full text

Combustion synthesis of Eu2+-activated BaMgAl10O17 phosphor by Park, Sungbong, Kang, Shinhoo

“…The combustion synthesis of a Eu^sup 2+^-doped BaMgAl^sub 10^O^sub 17^ phosphor was performed using urea and carbohydrazide (CH) as combustion fuel. The…”
Get full text

Monolithic integration of germanium photodetectors and silicon wire waveguides with carrier injection structures by Tsuchizawa, T., Yamada, K., Watanabe, T., Shinojima, H., Nishi, H., Itabashi, S., Sungbong Park, Ishikawa, Y., Wada, K.

“…We integrated monolithically vertical p-i-n Ge photodetectors with variable optical attenuators (VOAs) based on Si wire rib waveguides with a carrier injection…”
Get full text

Starting current analysis for condition monitoring of medium voltage induction motors in the steel industry by Chanseung Yang, Sang Bin Lee, Geunik Jang, Seongnam Kim, Gyukyung Jung, Junghoon Lee, Sangwook Shim, Young Kab Lim, Jinpyo Kim, Sungbong Park

“…Failure of medium voltage (MV) induction motors is a major concern in the steel industry considering that it can cause an unplanned outage of the process…”
Get full text

Identification of false rotor fault indications produced by on-line MCSA for medium voltage induction machines by Lee, Sang Bin, Hyun, Doosoo, Kang, Tae-june, Yang, Chanseung, Shin, Sungsik, Kim, Heonyoung, Park, Sungbong, Kong, Tae-Sik, Kim, Hee-Dong

“…Motor current signature analysis (MCSA) has become an essential part of the preventive maintenance program for monitoring the condition of the rotor cage in…”
Get full text

7.9 1/2.74-inch 32Mpixel-Prototype CMOS Image Sensor with 0.64μ m Unit Pixels Separated by Full-Depth Deep-Trench Isolation by Park, JongEun, Park, Sungbong, Cho, Kwansik, Lee, Taehun, Lee, Changkyu, Kim, DongHyun, Lee, Beomsuk, Kim, SungIn, Ji, Ho-Chul, Im, DongMo, Park, Haeyong, Kim, Jinyoung, Cha, JungHo, Kim, Taehoon, Joe, In-Sung, Hong, Soojin, Chang, Chongkwang, Kim, Jingyun, Shim, WooGwan, Kim, Taehee, Lee, Jamie, Park, Donghyuk, Kim, EuiYeol, Park, Howoo, Lee, Jaekyu, Kim, Yitae, Ahn, JungChak, Hong, YoungKi, Jun, ChungSam, Kim, HyunChul, Moon, Chang-Rok, Kang, Ho-Kyu

“…For years, there has been a strong drive for sub-micron pixel development, in spite of reaching the visible light diffraction limit, because a smaller pixel…”
Get full text

As-grown Ge pin photodiodes on Si with low dark current achieved by hydrogen desorption technique by Takada, Yoichi, Suzuki, Ryota, Sungbong Park, Osaka, Jiro, Ishikawa, Yasuhiko, Wada, Kazumi

“…As-grown Ge pin photodiodes on Si with a low dark current (4.6 × 10 - 2 A/cm 2 at -1 V) are achieved using a hydrogen desorption technique. This technique…”
Get full text

6.10 A 1/1.56-inch 50Mpixel CMOS Image Sensor with 0.5μm pitch Quad Photodiode Separated by Front Deep Trench Isolation by Kim, DongHyun, Cho, Kwansik, Ji, Ho-Chul, Kim, Minkyung, Kim, Junghye, Kim, Taehoon, Seo, Seungju, Im, Dongmo, Lee, You-Na, Choi, Jinyong, Yoon, Sunghyun, Noh, Inho, Kim, Jinhyung, Lee, Khang June, Jung, Hyesung, Shin, Jongyoon, Hur, Hyuk, Chang, Kyoung Eun, Cho, Incheol, Woo, Kieyoung, Moon, Byung Seok, Kim, Jameyung, Ahn, Yeonsoo, Sim, Dahee, Park, Sungbong, Lee, Wook, Kim, Kooktae, Chang, Chong Kwang, Yoon, Hansik, Kim, Juha, Kim, Sung-In, Kim, Hyunchul, Moon, Chang-Rok, Song, Jaihyuk

“…CMOS image sensors (CISs) in high-end mobile devices require wide dynamic range and superior image quality under extremely low light conditions [1]. To…”
Get full text

Si Photonics and Fiber to the Home: Silicon Photonics by WADA, Kazumi, PARK, Sungbong, ISHIKAWA, Yasuhiko

Get full text

Low-dark-current pin photodiodes using as-grown Ge with an i-Si insertion layer: Mechanism of dark current suppression by Ishikawa, Y., Sungbong Park, Osaka, J., Wada, K.

“…Low dark current of ~10 mA/cm 2 by inserting i-Si in as-grown Ge pin photodiodes is dominated by the carrier generation in wider-gap i-Si. This property is…”
Get full text