US Patent 10401876 Fluid collection component comprising a film with fluid channels

In one embodiment, a device comprises a fluid transfer component having an average thickness less than 2 millimeters and comprising a polymer film with one or more polymeric materials in one or more layers; and an active region of the fluid transfer component comprising a surface area greater than 1 square meter and plurality of fluid channels defined by one or more interior surfaces within the polymeric film, each fluid channel of the plurality of fluid channels is separated spatially with the plurality of fluid channels comprising at least 1 row of fluid channels in a thickness direction of the polymeric film, wherein the plurality of fluid channels has a channel density across the active region of the fluid transfer component greater than 100 fluid channels per centimeter and the plurality of fluid channels collects a first fluid across the active region from the environment.