Adhesive sheet and method for producing adhesive sheet
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United States of America Patent
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Jun 30, 2020
Grant Date -
Sep 27, 2018
app pub date -
Sep 27, 2016
filing date -
Sep 28, 2015
priority date (Note) -
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Abstract
Provided is a pressure sensitive adhesive sheet including a resin layer that is a multilayer structure containing at least a layer (Xβ), a layer (Y1), and a layer (Xα) laminated in this order, a surface (α) of the layer (Xα) of the resin layer having pressure sensitive adhesiveness, at least a constitutional component contained in the layer (Y1) being different from constitutional components contained in the layer (Xα) and the layer (Xβ), on the prescribed cross section (P1) of the pressure sensitive adhesive sheet, in a range of 250 μm in a horizontal direction freely-selected, a difference between a maximum value and a minimum value of the layer (Xα) being 3.00 μm or more, and a difference between a maximum value and a minimum value of the layer (Y1) being 5.00 μm or more.
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