Patent ID: 7799157

Claim:
A method of manufacturing a pressure-sensitive adhesive sheet comprising: manufacturing a release liner having a plurality of bottomed holes that open out on a release treated surface side thereof formed therein in prescribed positions at a prescribed number density, and forming a pressure-sensitive adhesive layer on said release treated surface of said release liner, and forming in said pressure-sensitive adhesive layer a plurality of through holes that have a prescribed diameter and that pass through said pressure-sensitive adhesive layer in a thickness direction as a result of gas moving from said holes in said release liner to the outside of said pressure-sensitive adhesive layer; and laminating said pressure-sensitive adhesive layer onto one surface of a base material having gas-passing channels that communicate to the outside of the pressure-sensitive adhesive sheet formed in at least said one surface thereof, such that said gas-passing channels in said base material and said through holes in said pressure-sensitive adhesive layer communicate with one another.