Compositions for the production of seed layers

Details Compositions for the production of seed layers Compositions for the production of seed layers

C - Chemistry, Metallurgy

08

L

C08L 43/00 (2006.01) B05D 3/02 (2006.01) C07C 213/00 (2006.01) C08K 5/56 (2006.01) C08L 85/00 (2006.01) C08L 101/00 (2006.01) C23C 18/08 (2006.01) C23C 30/00 (2006.01) H01B 1/16 (2006.01) H01L 21/48 (2006.01) H01L 23/498 (2006.01) H05K 1/03 (2006.01) H05K 1/09 (2006.01) H05K 3/24 (2006.01) H05K 3/10 (2006.01)

Patent

CA 2059892

ABSTRACT The invention concerns fluid compositions containing gold resinate, resin binders and vehicle which are suitable for producing gold seed layers by firing on a ceramic substrate. The compositions are characterized by the inclusion of at least 1% glass resinate and being capable of producing gold seed layers which retain high adhesion to the substrate after prolonged exposure to elevated temperatures. In a preferred embodiment the compositions also comprise resin binders comprising polymers having thermal decomposition temperatures at least 200°C above the decomposition temperature of the gold resinate.

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