Silver-glass die attach paste with reduced resin

Details Silver-glass die attach paste with reduced resin Silver-glass die attach paste with reduced resin

1989-04-06

1990-11-06

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524439, 524558, C08K 308

Patent

active

049687387

ABSTRACT:
Glass frit and silver particles are combined with a vehicle gel comprising a cross-linked resin dispersed in an organic solvent. The resin comprises a polymerized monomer selected from a first group consisting of C.sub.1 to C.sub.4 alkyl methacrylates and mixtures thereof and from a second group consisting of glycol dimethacrylates and mixtures thereof. The paste may consist of 60 to 80 weight percent silver particles, 12 to 20 weight percent glass frit and 8 to 20 weight percent vehicle gel. The resin content of the vehicle gel may be one to ten weight percent.

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Billmeyer, Fred W., "Textbook of Polymer Science", 3rd Ed., John Wiley & Sons, New York, 1984, pp. 138-139.

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