머플 가열로에서의 대면적 유리기판의 가열공정에 대한 열적 연구HEAT-TREATMENT OF LARGE-SCALE GLASS BACKPLANES IN A MUFFLE FURNACE
- Other Titles
- HEAT-TREATMENT OF LARGE-SCALE GLASS BACKPLANES IN A MUFFLE FURNACE
- Authors
- 김동현; 손기헌; 허남건; 김병국; 김형준; 박승호
- Issue Date
- 2012
- Publisher
- 한국전산유체공학회
- Keywords
- 열처리 (Thermal Treatment); 유리기판 (Glass Substrate); 대면적 디스플레이 (Large-Scale Display)
- Citation
- 한국전산유체공학회지, v.17, no.4, pp.16 - 23
- Journal Title
- 한국전산유체공학회지
- Volume
- 17
- Number
- 4
- Start Page
- 16
- End Page
- 23
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/19210
- DOI
- 10.6112/kscfe.2012.17.4.016
- ISSN
- 1598-6071
- Abstract
- Current display manufacturing processes apply thermal treatment of glass backplanes widely for hydrogen degassing, crystallization of thin-films, tempering, forming, and precompaction. Estimation of the characteristics of transient heating stages and thermal non-uniformities on a single glass substrate or in a stack of glasses are extremely helpful to understand non-homogeneity of mechanical and electronic features of nano/micro structures of end products. Based on simple heat transfer models and using an electric muffle furnace, temperature variations in a glass stack were predicted and measured for glass backplanes of 1.5 × 1.85 m2 in size and 0.7 mm in thickness.
Except for the period of putting glass backplanes into the furnace, thermal radiation was the major heating mechanism for the treatment and theoretical predictions agreed well to the experimental temperatures on the backplanes. Using the theoretical model, thermal fields for a glass stack of glass-size, 2.2 × 2.5 m2, and of the number of sheets, 1 to 12, were calculated for practical design and manufacturing of the muffle furnace for large-scale displays, e.g. up to 8th generation.
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Collections - College of Engineering > Department of Mechanical and System Design Engineering > 1. Journal Articles
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