An aluminum nitride-compatible, thick film glass binder system has been developed. Equimolar alkaline earth oxide substitution increased the chemical durability of a previously developed BaO-Al2O3-B2O3 system. The replacement of BaO by CaO also decreased the coefficient of thermal expansion and raised the dilatometric softening point.
Further improvement of the best of these glasses was accomplished by adding small amounts (up to 20 mole percent) of SiO2. Addition of 10 mole percent SiO2 cut the dissolution rate in half. The coefficient of thermal expansion dropped and the dilatometric softening point showed modest gains.
A glass composition developed in this study was used to form a prototypical thick film conductor at temperatures similar to current commercial conductor pastes.
Mattox, Douglas M.
Wiebe, Henry Allen
Materials Science and Engineering
M.S. in Ceramic Engineering
University of Missouri--Rolla
xiii, 109 pages
© 1993 Timothy Emil Harster, All rights reserved.
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Harster, Timothy Emil, "Chemically durable, AlN-compatible thick film binder glasses" (1993). Masters Theses. 1279.
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