| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an adhesive sheet including at least three layers of (A) a substrate layer, (B1) a first adhesive layer and (B2) a second adhesive layer in this order and having strong interlayer adhesion. <P>SOLUTION: This adhesive sheet is provided by including at least three layers of (A) the substrate layer, (B1) first adhesive layer and (B2) second adhesive layer in this order, and a tackifier is contained in at least one of (B1) the first adhesive layer and (B2) second adhesive layer. <P>COPYRIGHT: (C)2012,JPO&INPIT |
