Patent ID: 8383227
Filing Date: 2013-02-26
Classification: A61F,B32B,Y10T

Abstract:
1. A composite comprising; a first layer comprising a formed film having a plurality of capillary-sized protuberances extending in a z-direction from a female side of the first layer toward a male side of the first layer, and a plurality of two-dimensional drains formed between at least a portion of the plurality of capillary-sized protuberances at the female side of the first layer, wherein the plurality of two-dimensional drains lack a z-dimension beyond a nominal thickness of the formed film layer, and a plurality of apertures defined by ends of the plurality of protuberances at the male side of the first layer, wherein the plurality of capillary-sized protuberances comprise a diameter of between 50 microns to 400 microns at the female side of the first layer, wherein the plurality of two-dimensional drains each comprise an average diameter greater than the diameter of the plurality of capillary-sized protuberances; and a second layer in intimate contact with the ends of the capillary-sized protuberances at the male side of the first layer.