| 실험계획법에 의한 GMP용 비구면 광학유리의 성질에 미치는 조성의 효과 연구 |
| 맹지헌, 김형준1, 정아름, 김종철2, 최성철 |
한양대학교 신소재공학과
1한국세라믹기술원
2(주)이글래스 |
| 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. |
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| ABSTRACT |
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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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