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이성웅(Sung-Woong Lee),김정환(Jeong Hwan Kim),유영은(Yeong-Eun Yoo),윤재성(Jae-Sung Yoon),최두선(Doo-Sun Choi),전은채(Eun-Chae Jeon),제태진(Tae-Jin Je) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
Transparent electrodes has been investigated for next generation display application. Especially, Indium tin oxide (ITO) is one of the most widely used transparent conducting oxides due to its high electrical conductivity and optical transparency. For ITO film formation, Sputtering process is commonly used because of its high productivity. However, the E-beam evaporated ITO film has rarely reported compared to Sputtered ITO film. Therefore, here, the physical properties of ITO thin films deposited by using E-beam evaporation were studied. Resistivity and surface topology of ITO films formed with various growth rates were analyzed systematically. In addition, the chemical compositions (Sn/In ratio) were also confirmed.
계단형 / 일정 가속수명시험을 이용한 지수수명분포를 갖는 제품의 신뢰성 샘플링 검사
정상욱(Sang Wook Chung),이성웅(Sung Woong Lee) 대한설비관리학회 1996 대한설비관리학회지 Vol.1 No.1
N/A This paper considers designing the life-test acceptance sampling plans based on the step- and constant stress accelerated life tests with Type II censoring for products with exponential lives, The lifetime of the product is assigned a one-sided lower spec