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TCAD 툴을 이용한 제안된 얕은 트랜치 격리의 시뮬레이션
이용재,Lee, YongJae 한국시뮬레이션학회 2013 한국시뮬레이션학회 논문지 Vol.22 No.4
In this paper, the proposed shallow trench isolation structures for high threshold voltage for very large scale and ultra high voltage integrated circuits MOSFET were simulated. Physically based models of hot-carrier stress and dielectric enhanced field of thermal damage have been incorporated into a TCAD tool with the aim of investigating the electrical degradation in integrated devices over an extended range of stress biases and ambient temperatures. As a simulation results, shallow trench structure were intended to be electric functions of passive, as device dimensions shrink, the electrical characteristics influence of proposed STI structures on the transistor applications become stronger the potential difference electric field and saturation threshold voltage.
고집적을 위한 얕은 트랜치 격리에서 제안한 구조의 특성 모의 분석
이용재,Lee, YongJae 한국시뮬레이션학회 2014 한국시뮬레이션학회 논문지 Vol.23 No.3
In this paper, We are going to propose the novel structure with improved behavior than the conventional vertical structure for VLSI CMOS circuits. For this, the proposed structure is the moat shape for STI. We want to analysis the characteristics of simulations about the electron concentration distribution, oxide layer shape of hot electron stress, potential flux and electric field flux, electric field fo themal damage and current-voltage characteristics in devices. Physically based models are the ambient and stress bias conditions of TCAD tool. As a analysis results, shallow trench structure were trended to be electric functions of passive as device dimensions shrink. The electrical characteristics influence of proposed STI structures on the transistor applications become stronger the potential difference electric field and saturation threshold voltage, are decreased the stress effects of active region. The fabricated device of based on analysis results data were the almost same characteristics of simulation results data.
사회복지종사자 직장 내 괴롭힘 경험요인과 우울에 미치는 영향
이용재(Yongjae Lee),김수정(Sujeong Kim),김은정(Eunjung Kim) 한국지역사회복지학회 2021 한국지역사회복지학 Vol.- No.76
본 연구는 사회복지종사자들의 직장 내 괴롭힘 경험을 확인하고 그 요인을 확인하기 위한 것이다. 사회복지종사자들의 지난 1년간 직장 내 괴롭힘 경험률은 65.1%로 나타났다. 특히, 비정규직과 직장 내 직원 보호조직이 없는 경우에 높았다. 일반적인 직장 내 괴롭힘 경험 유형으로는 ‘업무환경 악화’가 51.7%로 많았고, 사회복지시설 관련 괴롭힘 유형으로는 ‘근로환경 안전 미확보’가 32.6%로 가장 높았다. 복지서비스 이용자 등에 의해 발생하는 폭력에 노출되어있는 사회복지종사자들을 위한 근로환경 안전이 여전히 확보되지 않은 것이다. 아울러 직장 내 괴롭힘 발생 요인을 확인한 결과 조직지원이 잘되고, 근로자 보호 조직이 존재할수록 직장 내 괴롭힘 발생 가능성이 낮았다. 한편, 직장 내 괴롭힘은 사회복지종사자들의 우울감을 증가시키는 것으로 확인되었다. The purpose of this study is to confirm the experiences of bullying of social workers in the workplace and to identify the factors. Social workers" experience rate of bullying in the workplace over the past year was 65.1%. In particular, it was high in cases where there is no organization protecting non-regular workers and employees. As for the type of general workplace bullying experience, "work environment deterioration" was the highest at 51.7%. In addition, as for the type of bullying related to social welfare, “work environment safety is not secured” was the highest at 32.6%. Safety for social workers who are exposed to violence in the workplace is still not secured. As a result of checking the causes of bullying in the workplace, the better organizational support and the presence of a worker protection organization, the lower the likelihood of bullying in the workplace. Meanwhile, workplace harassment increased depression among social workers.