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J. Korean Ceram. Soc. > Volume 52(2); 2015 > Article
Journal of the Korean Ceramic Society 2015;52(2): 119.
doi: https://doi.org/10.4191/kcers.2015.52.2.119
Laser-Heating Characteristics of CuO-Incorporating Glasses
Jungki Lee, Jongwoo Kim1, Hyungsun Kim
School of Material science and Engineering, Inha University
1LG CHEM LTD.
ABSTRACT
Laser sealing with glass frits appears a promising technology for sealing various electronic devices (e.g., solar cells, displays) due to its several advantages. The purpose of this study is to understand the relationship between the composition of glasses and their laser-heating conditions. To allow glass to be sealed using laser heating, CuO was added to two different glass systems, in different amounts. The optical absorptivity of the glass samples was related directly to their CuO content. The laser-heating temperature and the CuO content exhibited a proportional relationship. Furthermore, the heating temperature increased linearly with the laser power used. From these results, we could determine the appropriate laser-heating conditions and CuO content for sealing electronic devices using laser-sealing technology.
Key words: Optical absorptivity, Laser-heating, Glass, CuO, Laser sealing
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