Abstract

Homogeneous precursors of ‘solder glasses’ used in electronic device packaging have been synthesized by gel process. Experimental details and structural modifications of starting alkoxides during gel synthesis and aging are presented. Crystallization of lead titanate, PbTiO 3, during the sintering of amorphous and porous lead borate matrix is described. Al 2O 3 and/or SiO 2 addition effects on metastable lead titanate crystallization and on grain size distribution are reported.

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