Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1988-09-23
1991-01-22
Barr, Josephine
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 119, 252514, B05B 0000
Patent
active
049868497
ABSTRACT:
An improved silver-glass paste for bonding a silicon die to a ceramic substrate consisting essentially of silver flake, lead borate glass, resin, surfactant containing lyophilic and lyophobic groups and solvent. The surfactant provides a steric barrier around the silver and glass to stabilize the paste and reduce voiding and cracking when the paste is used to bond the die to the substrate.
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Herrington Thomas L.
Nguyen My N.
Wood Julie H.
Barr Josephine
Johnson Matthey Inc.
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