Surface mount adhesive, mounting structure including the same, and method for producing mounting structure
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United States of America Patent
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Jul 9, 2013
Grant Date -
Nov 12, 2009
app pub date -
Apr 28, 2009
filing date -
May 8, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A surface mount adhesive includes an epoxy resin, a curing agent, an accelerator, a first filler, and a second filler. The second filler has a specific gravity 1.1 to 3 times that of the first filler, and the second filler has a hardness higher than that of the first filler. The first filler has a largest particle size of 1 to 100 μm, and the second filler has a largest particle size of 1 to 100 μm, a specific gravity of 1.7 to 4.5, and a revised Mohs hardness of 2 to 12. The weight ratio of the first filler to the second filler is from 1:3 to 3:1, and the surface mount adhesive has a specific gravity of 1.2 to 1.5. When the surface mount adhesive is dispensed, dispensing failures are suppressed, and dispensing stability is improved.
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Cited Art Landscape
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