The present invention refers to a transdermal delivery device comprising abacking layer(11), at least one adhesive layer (12), and a release liner coated with a UV-cured highlycrosslinked silicone (13). The present invention also refers to a method ofpreparing atransdermal delivery device comprising a backing layer (11), at least oneadhesive layer (12),and a release liner coated with a UV-cured silicone (13).