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RF Magnetron Sputtering공정에 의해 IT유리에 적층시킨 Silicon Nitride 박막의 특성
손정일,김광수,Son, Jeongil,Kim, Gwangsoo 한국재료학회 2020 한국재료학회지 Vol.30 No.4
Silicon nitride thin films are deposited by RF (13.57 MHz) magnetron sputtering process using a Si (99.999 %) target and with different ratios of Ar/N<sub>2</sub> sputtering gas mixture. Corning G type glass is used as substrate. The vacuum atmosphere, RF source power, deposit time and temperature of substrate of the sputtering process are maintained consistently at 2 ~ 3 × 10<sup>-3</sup> torr, 30 sccm, 100 watt, 20 min. and room temperature, respectively. Cross sectional views and surface morphology of the deposited thin films are observed by field emission scanning electron microscope, atomic force microscope and X-ray photoelectron spectroscopy. The hardness values are determined by nano-indentation measurement. The thickness of the deposited films is approximately within the range of 88 nm ~ 200 nm. As the amount of N<sub>2</sub> gas in the Ar:N<sub>2</sub> gas mixture increases, the thickness of the films decreases. AFM observation reveals that film deposited at high Ar:N<sub>2</sub> gas ratio and large amount of N<sub>2</sub> gas has a very irregular surface morphology, even though it has a low RMS value. The hardness value of the deposited films made with ratio of Ar:N<sub>2</sub>=9:1 display the highest value. The XPS spectrum indicates that the deposited film is assigned to non-stoichiometric silicon nitride and the transmittance of the glass with deposited SiO<sub>2</sub>-Si<sub>x</sub>N<sub>y</sub> thin film is satisfactory at 97 %.
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손정일 영남춤학회 2019 영남춤학회誌 Vol.7 No.2
Variation Types of The Eastern Coast Byeolsingut Shaman Dancing Rhythm Son, Jeong-il (Keimyung University) This study is based on the analysis of various databases about the Shaman Dancing's basic rhythms and variation types that remarkably show percussion instrument plays among the Eastern Coast Byeolsingut rhythms. There are 8 Eastern Coast Byeolsingut Shaman Dancing Rhythms: Puneori, Samojang, Geomu, Baegijang, Gutgeori, Deongdeokgungi, Hwimori, Danyak. The Eastern Coast Byeolsingut Shaman Dancing Rhythm has diverse variation types: rightbeat, offbeat·mixedbeat, extension, symmetry, inversion, even beat, continuously beating and more. The principle of inprovisation can be seen through these variations. 이 연구는 동해안 별신굿 장단 중 타악기 연주가 두드러지게 들어난 무무(巫 舞)장단의 기본장단과 변주원리를 다양한 자료를 통하여 분석한 것이다. 동해안 별신굿의 무무장단은 푸너리, 삼오장, 거무, 배기장, 굿거리, 덩덕궁이, 휘모리, 단약 등 총 8개 이다. 동해안 별신굿 무무장단의 변주원리은 정박, 엇박·잡박, 확 장, 대칭, 자리바꿈, 짝수박, 달아치는 배열 등으로 다양하다. 이러한 유형을 통 하여 즉흥연주의 원리를 알 수 있다.
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지역사회 장애인 재활협의체 조직화 방안 모색 : 안동지역을 중심으로
손정일 대구대학교 사회복지연구소 2003 社會福祉硏究 Vol.24 No.-
본 연구는 장애인의 사회통합을 위한 실천적 방법으로서의 지역사회중심재활을 활성화하기 위하여 장애인지역사회재활 협의체 구성에 대한 지역사회의 실태와 욕구를 분석하고 협의체의 적정 구성방안 및 역할에 대한 방안을 모색하고자 수행하였다. 문헌연구를 통하여 연락, 연계, 통합을 정의하고 조사연구를 통하여 장애인지역사회재활 협의체 구성에 대한 실태와 욕구를 분석하였다 연구결과에서 나타난 지역사회 장애인 재활협의체 조직을 위한 함의는 첫째, 장애인 지역사회재활협의체에 대한 관심 증대 둘째, 지역사회 주민들의 참여와 지역사회재활 정보 공유를 위한 실무협의체 구성 셋째, 지역사회 공사의 자원을 개발하고 체계화할 필요성 등이다 The purpose of this study is to search for device on composing community rehabilitation committee for people with disabilities. Community based rehabilitation(CBR) is practical method for social integra4ionof people with disabilities. For suitable operation and practice of CBR. Cooperating system among social welfare service centers in community must be composed. Therefore, in this study, the following efforts were implemented : First. literature study were conducted to make operated definition of communication, coordination, integration Second, present situation and need for composing community rehabilitation committee for people with disabilities were analysed. Third, device on composing community rehabilitation committee for people with disabilities were suggested .Device on composing community rehabilitation committee for people with disabilities Is public relations on community rehabilitation committee for people with disabilities, involvement of community members in community rehabilitation committee, composing of practical committee sharing with community rehabilitation information. development and systematization of informal and formal resources in community.
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제지 슬러지 고밀도 폴리에틸렌수지 복합재(Paper Sludge High Density Polyethylene Composite)에 관한 연구
손정일,엄영근,김현중 國民大學校 山林科學硏究所 2000 山林科學 Vol.12 No.-
This research is to identify the potential of waste paper sludge from paper mill as a new reinforcing filler in manufacturing high density polyethylene composite. The effects of content(0, 10, 20, 30, and 40%) and mesh size(20∼40, 60∼80, and less than 100) of paper sludge, and of coupling agent type (Epolene E-43 and G-3003) on the mechanical properties (tensile, flexural, and impact properties) of paper sludge-high density polyethylene composite were discussed in detail. Density and tensile properties of composite increased as the content of the paper sludge increased. Tensile modulus of composite improved with the increase of particle size of paper sludge, but its particle size had no effect on tensile strength of composite. In the case of coupling agent, tensile properties of composite were considerably enhanced compared with the control specimen by the addition of coupling agent, and Epolene G-3003 appeared more effective in the improvement of tensile properties of composite than the Epolene E-43. As the content and particle size of the paper sludge increased, the flexural properties of composite increased. Addition of the Epolene E-43 and G-3003, when compared with the control specimen, resulted in the considerable improvement in the flexural strength of composite, and the G-3003 composite system appeared more effective in the improvement of flexural strength. Generally, izod notched and unnotched impact strength of composite slightly decreased as the content of paper sludge increased. Little effect of particle size of paper sludge on impact strength of composite, however, was observed. With the increase of addition level of coupling agent, izod notched impact strength of composite decreased but unnotched impact strength of composite showed no consistent trend.
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