| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a double-sided adhesive tape which has adhesive layers on both the sides of a substrate and has a release paper adhered to one of the adhesive layers, and can prevent the generation of the wrinkles of the substrate, even when wound on a winding core and preserved for a long period. <P>SOLUTION: The double-sided adhesive tape 1 produced by adhering the release paper 4 on one side of a polyethylene terephthalate (PET) film 2 through the first adhesive layer 3 and forming the second adhesive layer 5 on the other side of the PET film 2 is characterized by using a portion in a constant length from the winding core as a non-using portion and a portion exceeding the constant length from the winding core as a using portion to prevent the generation of the wrinkles of the PET film 2 in the used portion. <P>COPYRIGHT: (C)2013,JPO&INPIT |
