Oxide glasses having low glass transformation temperatures

Details Oxide glasses having low glass transformation temperatures Oxide glasses having low glass transformation temperatures

C - Chemistry, Metallurgy

03

C

261/11, 25/123,

C03C 8/18 (2006.01) C03C 3/14 (2006.01) C03C 8/24 (2006.01) C04B 37/00 (2006.01) C04B 37/04 (2006.01) C22C 32/00 (2006.01)

Patent

CA 1332177

Abstract of the Disclosure PbO-B2O3-Ag2O glasses having a preferred weight ratio range of 76-88:10-15:2-10 have glass transition temperatures of less than 300°C and are especially useful for adhering together ceramic substrates such as for attaching integrated circuits to ceramic substrates. The glasses can be formulated with Ag particulates and organics and applied as pastes to provide conductive adhesives.

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