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전기범 ( Kibeom Jeon ),이유진 ( Yujin Lee ),안민하 ( Minha Ahn ),김용규 ( Yonggyu Kim ),김영종 ( Youngjong Kim ) 한국정보처리학회 2022 한국정보처리학회 학술대회논문집 Vol.29 No.1
홈가드닝' 시장의 성장이 가속화되면서 식물에 관심을 가지는 사람들이 많아지고 있으나, 초보자의 경우 식물 육성에 있어 어려움이 존재한다. 본 논문에서는 이러한 한계를 극복하기 위한 방안으로 일조량, 계절, 크기 등 세분화된 조건을 바탕으로 하는 지식 기반 추천 시스템을 적용한 식물 추천시스템을 제안하고 있다. 해당 시스템을 통해 사용자의 환경에 맞는 식물을 추천하여 육성 및 관리를 돕고자 한다.
최대 전압 12 kV, 커패시턴스 50~500 pF 가변 진공커패시터 개발
차영광 ( Youngkwang Cha ),이일회 ( Ilhoi Lee ),전기범 ( Kibeom Jeon ),장지훈 ( Jihoon Jang ),주흥진 ( Heungjin Ju ),최승길 ( Seungkil Choi ) 한국전기전자재료학회 2022 전기전자재료학회논문지 Vol.35 No.3
A variable vacuum capacitor (VVC), which is a variable element, is used to match impedance in plasma that changes with various impedance values, and its use is expanding with the rapid growth of the semiconductor business. Since VVCs have to secure insulation performance and vary capacitance within a compact size, electrode design and manufacturing are very important; thus, various technologies such as part design and manufacturing technology and vacuum brazing technology are required. In this study, based on the model of an advanced foreign company that is widely used for impedance matching in the manufacture of semiconductors and displays, a VVC that can realize the same performance was developed. The electrode part was designed, the consistency was confirmed through analysis, and the precision of capacitance was improved by designing a cup-type electrode to secure the concentricity of the electrode. As a result of the evaluation, all requirements was satisfied. We believe that self-development will be possible if satisfactory responses are received through evaluation by VVC consumers in the future.