Search Results - "Seungdo An"

A Si-Micromachined 162-Stage Two-Part Knudsen Pump for On-Chip Vacuum by Seungdo An, Gupta, Naveen K., Gianchandani, Yogesh B.

“…This paper investigates a two-part architecture for a Knudsen vacuum pump with no moving parts. This type of pump exploits the thermal transpiration that…”
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A Monolithic High-Flow Knudsen Pump Using Vertical Al2O3 Channels in SOI by Seungdo An, Yutao Qin, Gianchandani, Yogesh B.

“…This paper describes the analysis, design, and microfabrication of a Knudsen pump for high flow generation. The Knudsen pump generates gas streams from the…”
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Line-defect calibration for line-scanning projection display by An, Seungdo, Song, Jonghyeong, Lapchuk, Anatoliy, Yurlov, Victor, Ryu, Seung-Won, Kim, Eungju, Yun, Sang Kyeong

“…A method of line-defect calibration for line-scanning projection display is developed to accomplish acceptable display uniformity. The line scanning display…”
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A monolithic Knudsen pump WITH 20 sccm flow rate using through-wafer ONO channels by Seungdo An, Yutao Qin, Gianchandani, Yogesh B.

“…This paper describes a lithographically microfabricated Knudsen pump for high gas flow. Knudsen pumps operate by thermal transpiration and require no moving…”
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A Dynamic Calibration Method for Pirani Gauges Embedded in Fluidic Networks by An, Seungdo, Gianchandani, Yogesh B.

“…This paper describes in situ dynamic calibration of microfabricated Pirani gauges, which are commonly used to measure vacuum levels in microsystems that may…”
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Vacuum sealing using atomic layer deposition of Al2O3 at 250 °C by An, Seungdo, Gupta, Naveen K., Gianchandani, Yogesh B.

“…This paper describes the use of low-temperature atomic layer deposition (ALD) of Al2O3, for vacuum seals in wafer-level vacuum packaging and other…”
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Speckle suppression in laser display using several partially coherent beams by An, Seungdo, Lapchuk, Anatoliy, Yurlov, Victor, Song, Jonghyeong, Park, Heungwoo, Jang, Jaewook, Shin, Woocheol, Karpoltsev, Sergey, Yun, Sang Kyeong

“…An optical scheme for speckle suppression using two or three partially coherent beams in a projection system is proposed. Diffractive optical elements (DOE)…”
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Two-Input Axis Angular Rate Sensor by An, Seungdo, Oh, Yongsoo, Choi, Sang-on, Song, Ci-moo

“…A vibrating angular rate sensor is developed by the polysilicon surface micromachining process. The 7.0 µm-thick polysilicon layer is deposited by low-pressure…”
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Creep compensation method in a thin film PZT structure for a spatial optical modulator by Lapchuk, Anatoliy, Yun, Sang Kyeong, An, Seungdo, Song, Jonghyeong, Yurlov, Victor, Bourim, ElMostafa, Yang, HaengSeok, Park, HeungWoo

“…The dependence of ribbons time drift of a spatial optical modulator on the driving voltage is analyzed. It was assumed that mechanical stress, which follows…”
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A study of image contrast restriction in displays using diffractive spatial light modulators by Yurlov, Victor, Lapchuk, Anatoly, Yun, Sang Kyeong, Song, Jonghyeong, Lee, Kiun, Yeo, Injae, An, Seungdo

“…The peculiarities of 1D projection displays using spatial light modulators (SLM 1 Abbreviations used: SLM, spatial light modulator; GLV, grating light valve;…”
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SOM-based projection module for mobile displays by Yang, HaengSeok, Yun, SangKyeong, Song, JongHyeong, An, SeungDo, Park, HeungWoo, Ihar, Shyshkin, Yurlov, Victor, Anatoly, Lapchuk

“…— The development of a compact, efficient VGA projection module to be embedded in mobile devices is reported. The design incorporates laser/laser diode (LD)…”
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Two-Input.axis Angular Rate Sensor by Seungdo An, Yongsoo Oh, Sang-on Choi, Ci-Moo Song

“…The dual-axis angular rate sensor is fabricated by surface micromachining process. The 7.0 mum thick polysilicon layer deposited by LPCVD is used for…”
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Spatial analysis of $PM_{10}$ and cardiovascular mortality in the Seoul metropolitan area by Lim, Yu-Ra, Bae, Hyun-Joo, Lim, Youn-Hee, Yu, Seungdo, Kim, Geun-Bae, Cho, Yong-Sung

“…Objectives Numerous studies have revealed the adverse health effects of acute and chronic exposure to particulate matter less than $10{\mu}m$ in aerodynamic…”
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음료용 폐자동판매기에서의 HFC-134a 사용 및 폐기단계 탈루배출계수 결정에 대한 연구 by 이영표(Young Phyo Lee), 김의건(Eui Kun Kim), 김승도(Seung Do Kim), 변석호(Seok Ho Byun), 김혜림(Hye Rim Kim), 박준호(Jun Ho Park), 이동원(Dong Won Lee)

“…Little information is available for emission pathway even if HFC-134a that is known as one of the major greenhouse gases has been broadly used in Korea. This…”
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