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J. Korean Ceram. Soc. > Volume 41(4); 2004 > Article
Journal of the Korean Ceramic Society 2004;41(4): 277.
doi: https://doi.org/10.4191/kcers.2004.41.4.277
PDP 투명유전체 형성용 Green Sheet 제조
Fabrication of Transparent Dielectric Green Sheet for Plasma Display Panel
Sung-Cheol Heo, Duck-Kyun Park1, Young-Jei Oh
Thin Film Materials Research Center, Korea Institute of Science and Technology
1Department of Ceramic Engineering, Hanyang Universit
To fabricate green sheet of transparent dielectric for PDP front panel, dispersion of transparent dielectric slurry, density, and mechanical properties of green sheets have been investigated as a function of amount and composition of organic additives. Measurements of sedimentation and viscosity were employed to determine a proper dispersant and its amount for a well dispersed transparent dielectric powders in non-aqueous system. Green sheets, having various ratios of transparent dielectric powders to transparent dielectric powders+ binder+plasticizer and binder to binder+plasticizer, were fabricated. All the tape casting slurries showed shear thinning effect, that is, the apparent viscosity decreased with the increase of shear rate. It was found that the amount and composition of organic additives were main variables to affect densities and mechanical properties of transparent dielectric green sheets for PDP.
Key words: PDP, Transparent dielectric, Green sheet, Tape casting
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