Adhesive sheet and method for manufacturing same

Details Adhesive sheet and method for manufacturing same Adhesive sheet and method for manufacturing same

C - Chemistry, Metallurgy

09

J

C09J 7/02 (2006.01)

Patent

CA 2510054

An adhesive sheet (1) comprising a base (11) and an adhesive layer (12) is provided with a plurality of through holes (2) which penetrate the adhesive sheet from one surface to the other surface. The diameters of the through holes (2) are 0.1-300 µm, and the hole density is 30-50,000 holes per 100 cm2. These through holes (2) are preferably formed by laser machining. This adhesive sheet (1) enables prevention or removal of an air pocket and a blister while securing sufficient adhesion without deteriorating the appearance.

L'invention concerne une feuille adhésive (1) qui comprend une base (11) et une couche adhésive (12) et qui est pourvue d'une pluralité de trous traversants (2) qui traversent la feuille adhésive d'une surface à l'autre. Les diamètres des trous traversants (2) vont de 0,1 à 300 µm et la densité des trous est de 30 à 50.000 trous par 100 cm?2¿. Ces trous traversants (2) sont de préférence formés par usinage laser. Cette feuille adhésive (1) permet de prévenir ou d'éliminer la formation de poches d'air ou de boursouflures tout en assurant une adhésion suffisante sans détériorer l'apparence.

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