ADHESIVE SHEET

摘要

PROBLEM TO BE SOLVED: To obtain an adhesive sheet which does not involve foams in applying an adhesive sheet to a material to be bonded and in which problems that the adhesive sheet is broken or is peeled with a part of the surface of the material to be bonded in peeling the adhesive sheet after being applied to the material to be bonded once. SOLUTION: The adhesive force of the adhesive sheet 1 is changed in a fixed direction, a bonded state as a whole is kept and peel is facilitated by gradually increasing or decreasing the area ratio of the projected parts 3 of the an adhesive layer laminated to a sheetlike substrate 2. The parts to be gradually increased or decreased are preferably arranged at the edge of the sheetlike substrate 2 or in the vicinity of the edge. COPYRIGHT: (C)2003,JPO