BONDING SHEET
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United States of America Patent
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Issued Date -
May 10, 2012
app pub date -
May 11, 2010
filing date -
May 13, 2009
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Abstract
The present invention relates to a bonding sheet including: an adhesive layer of an adhesive composition having a high-molecular weight component (A) and a thermosetting component (B) formed into a sheet, wherein a ratio (PCN/PCO) of a peak height near 2240 cm−1 derived from a nitrile group (PCN) to a peak height near 1730 cm−1 derived from a carbonyl group (PCO) is 0.03 or less in an IR spectrum of the high-molecular weight component (A).
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