Paste formulations for use in the electronics industry
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United States of America Patent
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Jun 29, 1993
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N/A
app pub date -
Apr 27, 1992
filing date -
Jul 2, 1990
priority date (Note) -
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Abstract
In a paste for use in the electronics industry which comprises: i) a non aqueous vehicle; and ii) a particulate filler material, the improvement which comprises the vehicle being a stable emulsion of at least two immiscible organic liquids of at least 50% by volume disperse phase, one of which liquids is selected from the group consisting of a polar solvent and a mixture of polar solvents, and the other of which liquids is selected from the group consisting of an aliphatic hydrocarbon and a mixture of aliphatic hydrocarbons and the paste, when heated to remove the vehicle therefrom yields less than 3.0% by weight of organic residues based on the weight of the paste.
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