Flexible bismaleimide, benzoxazine, epoxy-anhydride adduct hybrid adhesive
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United States of America Patent
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Mar 29, 2016
Grant Date -
Jul 17, 2014
app pub date -
Jul 28, 2011
filing date -
Jul 28, 2011
priority date (Note) -
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Abstract
A resin composition which has low stress, and good adhesive property in high temperature and high moisture environments and which is useful in adhesive applications in low stress, high moisture sensitivity level electronic packages. Preferably, a flexible epoxy anhydride adduct modified solid bismaleimide and solid benzoxazine resin composition that can survive high temperature and high moisture conditions and maintain good adhesion strength and minimize the stress resulting from a coefficient of thermal expansion mismatch between a silicon die and a substrate which is Ball Grid Array solder mask or a smart card polyethylene terephthalate or silver or copper metal lead frame.
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