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J. Korean Ceram. Soc. > Volume 48(1); 2011 > Article
Journal of the Korean Ceramic Society 2011;48(1): 40.
doi: https://doi.org/10.4191/kcers.2011.48.1.040
실험계획법에 의한 GMP용 비구면 광학유리의 성질에 미치는 조성의 효과 연구
맹지헌, 김형준1, 정아름, 김종철2, 최성철
한양대학교 신소재공학과
Approach to Compositional Effect on Properties of Aspherical Optical Glass for GMP Process with Design of Experiments
Jee-Hun Maeng, Hyeong-Jun Kim1, Ah-Reum Jung, Jong-Cheol Kim2, Sung-Churl Choi
Division of Materials Science & Engineering, Hanyang University
1Korea Institute of Ceramic Engineering & Technology
2Eglass. Corp.
In this study, the composition of optical glass for GMP(glass molding process) was designed with 'Design of Experiments' method. All the composition batch was performed by 'Create Factorial Design' method. Particularly, $SiO_2$, BaO and $Al_2O_3$ were chosen major parameters for investigating the effects of components on optical and thermal properties. BaO and $Al_2O_3$ strongly influenced on optical and thermal properties, respectively. Finally, the approximate values of desired optical and thermal values were obtained by microtuning of compositions. At the composition of $BaO:Al_2O_3:SiO_2$=10:4:48 (molar ratio), refractive index($n_d$) was 1.5833, coefficient of thermal expansion(CTE) was $104{times}10^{-7}/^{circ}C$.
Key words: Optical glass, Refractive index, GMP, Aspherical lens, Design of experiments
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