High density post arrays

A film-based article comprising:

• a film layer having first and second major sides;
• an adhesive layer comprising a first surface adjacent to the second major side of the film and a second surface opposite the first surface, wherein the second surface of the adhesive layer comprises a structured surface comprising:
• a plurality of outwardly extending protrusions, each having a base, wherein the bases of the plurality of protrusions comprise at least approximately 6 percent of a total surface area of the second surface of the adhesive layer;
• and
• an array of channels;
• and
• a solvent-based ink coating applied to the first major side of the film layer.

A method of applying a film-based article to a substrate, comprising the steps of:

• positioning a film-based article adjacent to an outer surface of a substrate, wherein the film-based article comprises:
• a film layer having first and second major sides;
• an adhesive layer comprising a first surface adjacent to the second major side of the film and a second surface opposite the first surface, wherein the second surface of the adhesive layer comprises a structured surface comprising a plurality of outwardly extending protrusions, each having a base, wherein the bases of the plurality of protrusions comprise at least approximately 6 percent of a total surface area of the second surface of the adhesive layer;
• a release liner adjacent to the second surface of the adhesive layer;
• and
• an ink layer applied to the first major side of the film layer at an ink laydown of at least 100 percent.
• removing the release liner from the second surface of the adhesive layer;
• and
• applying the second surface of the adhesive layer to the outer surface of the substrate.