CONDENSATION PRODUCTS OF SILICIC ACID DERIVATIVES AND OPTICAL WAVEGUIDE DEVICES USING THE SAME

摘要

The present invention relates to condensation products of silicic acid derivatives usable especially in optical waveguides, and particularly to a condensation product obtained by condensing a silane diol compound (A) of the general formula (1): R<SUP>1</SUP> <SUB>2</SUB>S