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이영종 ( Yeong Jong Lee ),하진용 ( Jin Yong Ha ),김동혁 ( Dong Hyuk Kim ),박석천 ( Seok-cheon Park ) 한국정보처리학회 2013 한국정보처리학회 학술대회논문집 Vol.20 No.2
최근 우리나라의 수도권을 비롯하여 대도시의 교통량 증가로 인한 교통혼잡을 줄이기 위해 교통혼잡의 주된 원인이 되는 불법주·정차를 미연에 방지하는 시스템이 필요하다. 따라서 본 논문에서는 복잡한 도심에서 쉽고 빠르게 가까운 주자창을 찾고자 GPS와 LSB에 대해 조사 및 분석한 자료를 바탕으로 GPS와 LBS를 이용한 주차 관리 시스템을 설계하였다.
접속이온빔 리소그라피를 이용한 고굴절 비정질 박막 투과 격자 형성
신경,김진우,박정일,이현용,이영종,정홍배,Shin, Kyung,Kim, Jin-Woo,Park, Jeong-Il,Lee, Hyun-Yong,Lee, Young-Jong,Chung, Hong-Bay 대한전기학회 2001 전기학회논문지C Vol.50 No.1
In this study, we investigated the optical properties of sub-wavelength a-Si thin film transmission gratings, especially the polarization effect, the phase difference and the birefringence by using linearly polarized He-Ne laser beam (632.8nm). The a-Si transmission grating of the thickness $of < 0.1 \mum$ with four-type period($\Lambda = 0.4 \mum and 0.6 \mum$ for sub-wavelength and $\Lambda = 1.0 \mum and 1.4 \mum$ for above-wavelength) on quartz substrates have been fabricated using 50 KeV Ga+ Focused-Ion-Beam(FIB) Milling and $CF_4$Reactive-Ion-Etching(RIE) method. Finally, we obtained the trating array of a-Si thin film with a period $0.4 \mum, 0.6 \mum, 1.0 \mum, 1.4 \mum$ which have nearly equal finger spacing and width, sucessfully. Especially, for gratings with $\Lambda = 0.6 \mum(linewidth=0.25 \mum, linespace=0.35\mum), the \etamax at \theta_в=17.0^{\circ}$ is estimated to be 96%. As the results, we believe that the sub-wavelength grating arrayed a-Si thin film has the applicability as the optical device and components.
냉장고용 롤-플레이트형 휜-관 열교환기의 성능에 관한 연구
안성준(Sung-Jun Ahn),김종수(Jong-Su Kim),권오붕(Oh-Boong Kwon),박영종(Yong-Jong Park),하영주(Young-Ju Ha),최상조(Sang-Jo Choi) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
Recently, a study on condensers for refrigerators has focused on new model which will cost less and will be more efficient. Some widely used condensers for domestic refrigerators are wire-and-tube type condenser, hot-wall type condenser, and spiral type condenser. Some companies which use the spiral type condenser at the moment try to develop a new type condenser which will cost less and will be as efficient as the spiral type. The new type condenser consists of a steel tube, steel plates and louver fins attached to the tube. The tube and the plate are bent into a single-passage serpentine shape.