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W-band 도파관 FTO 적용을 위한 전류제한 InP Gunn diode 설계 및 제작
고동식(Dong-Sik Ko),곽노성(No-Seong Kwak),김영진(Young-Jin Kim),허준우(Jun-Woo Heo),고필석(Pil-Seok Ko),김삼동(Sam-Dong Kim),박현창(Hyun-Chang Park),이진구(Jin-Koo Rhee),전영훈(Young-Hoon Chun),이석철(Seok-Chul Lee) 대한전자공학회 2014 전자공학회논문지 Vol.51 No.3
전류제한 에피 구조를 적용하여 MINT에서 개발한 최적화된 공정방법으로 InP Gunn 다이오드 칩을 제작하고 칩을 이용하여 MINT의 최적화된 조건을 이용하여 패키지 하였다. 또한 제작된 패키지 InP Gunn 다이오드의 RF 특성을 측정하기 위하여 2체배 구조의 W-band 도파관 FTO(Fixed Tuned Oscillator)를 설계 및 제작하였다. 패키지된 InP Gunn 다이오드는 ceramic ring, Au plating stud와 lid 그리고 Maltese cross로 구성되어있다. 측정된 20개의 InP Gunn 다이오드는 최대 전류가 399 mA의 전류특성을 가지고 92.9~94.78 GHz에서 발진하였고 11.8~17.8 dBm 의 출력전력을 얻었다. In this paper, We have designed and fabricated 20 InP Gunn diodes using a current limiting epitaxial structure by MINT’s optimized fabrication processes. We have also packaged the fabricated InP Gunn diodes using our optimized packaging method, and then designed and fabricated a W-band waveguide FTO to measure characteristics of the packaged InP Gunn diodes. The packaged InP Gunn diode have a ceramic ring, a Au plated stud and a lid, and a Maltese cross. The fabricated InP Gunn diodes have good RF characteristics such as high output powers (11.8~17 dBm) and limiting low currents (less than 400 mA) between 92.9 and 94.78 GHz
거주 후 평가를 통한 모듈러 주택의 계획요소에 관한 연구 - 천안 두정동 행복주택을 중심으로 -
임석호(Lim, Seok-Ho),정재희(Chung, Jae Hee),설욱제(Seol, Wook-Je),허준우(Heo, Junu) 대한건축학회 2021 대한건축학회논문집 Vol.37 No.1
This study aims to derive planning factors for modular housing planning by analyzing residents recognition of modular housing and housing satisfaction through the post-occupancy evaluation of Happy House in Dujeong-dong, Cheonan, completed in 2019 using the modular construction method. For this purpose, prior research surveys, theoretical investigations, and user surveys and interviews for post-occupancy evaluation were conducted. Then, along with the housing satisfaction analysis, the importance-satisfaction analysis for housing performance, housing plan, and surrounding environment was conducted to derive variables that have a significant influence on housing satisfaction. As a conclusion, planning factors were derived to increase satisfaction with the modular housing plan. It is expected that the results of this study can be used as basic data for planning factors that can increase the residential satisfaction of residents when designing modular housing in the future.
모듈러 주택의 공법차이에 따른 거주 후 평가 비교 - 천안 두정동 행복주택의 주택성능 요소를 중심으로 -
임석호(Lim, Seok Ho),정재희(Chung, Jae Hee),설욱제(Seol, Wook Je),허준우(Heo, Junu) 대한건축학회 2021 대한건축학회논문집 Vol.37 No.3
This study aims to derive a plan for improving the housing performance of modular housing through post-occupancy evaluation and housing performance measurement of Happy House in Dujeong-dong, Cheonan, where both the infill type construction method and the stacked type construction method were applied simultaneously for the first time in Korea. For this purpose, prior research and theoretical investigations were conducted to set analysis items, and surveys and interviews were conducted. Then, the factors influencing the satisfaction of the housing performance of the modular housing were analyzed, and a comparison between the stacked type and the infill type construction method was conducted based on the analysis of the housing performance satisfaction and the results of the performance measurement to derive improvement plans for the modular housing. It is expected that the results of this study will be used as basic data for improving the housing performance of modular housing in the future.