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New Glass Sealing Method with Lead-Free Solders

Journal Advances in Science and Technology (Volume 45)
Volume 11th International Ceramics Congress
Edited by P. VINCENZINI
Pages 1604-1607
DOI 10.4028/www.scientific.net/AST.45.1604
Citation Koichi Sakaguchi et al., 2006, Advances in Science and Technology, 45, 1604
Online since October, 2006
Authors Koichi Sakaguchi, Shinjiro Domi, Katsuaki Suganuma
Keywords Friction, Glass, Hermetic Seal, Solder, Vacuum Glazing
Abstract

We have developed a novel technique of joining a pair of glass substrates. In the process, molten solder penetrates the gap between the glass substrates while the solder-glass interfaces are being activated by friction. The activation is given by a metal plate, which slides through the gap along the edge of the paired glass substrates and brings in the molten solder by capillary-action. A Ti-doped Sn-Zn eutectic solder showed good hermetic sealing of glass. A eutectic In-Sn solder also yielded good joining, especially at low sealing temperatures.

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