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Characterization of Cesium Assisted Sputtering Process Using Design of Experiment
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 Title & Authors
Characterization of Cesium Assisted Sputtering Process Using Design of Experiment
Min, Chul-Hong; Park, Sung-Jin; Yoon, Neung-Goo; Kim, Tae-Seon;
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Compared to conventional Indium Tin Oxide (ITO) film deposition methods, cesium (Cs) assisted sputtering offers higher film characteristics in terms of electrical, mechanical and optical properties. However, it showed highly non-linear characteristics between process input factors and equipment responses. Therefore, to maximize film quality, optimization of manufacturing process is essential and process characterization is the first step for process optimization. For this, we designed 2 level design of experiment (DOE) to analyze ITO film characteristics including film thickness, resistivity and transmittance. DC power, pressure, carrier flow, Cs temperature and substrate temperature were selected for process input variables. Through statistical effect analysis methods, relation between three types of ITO film characteristics and five kinds of process inputs are successfully characterized and eventually, it can be used to optimize Cs assisted sputtering processes for various types of film deposition.
Design of Experiment[DOE];Cesium assisted sputtering;Indium tin oxide[ITO];Statistical analysis;
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