Adhesive material having microstructures and permeation-resistant properties
An adhesive material providing permeation-resistant characteristics, wherein the material comprises a surface having a plurality of microstructures interspersed with at least one ridge. The ridge is adapted to make continuous contact with a mating surface. In one embodiment, the ridge is linear. In an alternative embodiment, the ridge has a square pattern forming a mesh on the surface.
1 . A permeation-resistant adhesive material comprising:
an adhesive array, wherein the adhesive array comprises a plurality of fibers extending from a surface of the material; and
a ridge extending from the surface,
wherein each of the plurality of fibers has an enlarged shaped tip and includes a cylinder;
a plurality of additional ridges are interspersed between the plurality of fibers,
wherein a pitch between adjacent cylinders ranges from 1.2 to 3 times a diameter of the cylinder, and
wherein a pitch between adjacent additional ridges ranges from 2 to 200 times the pitch between adjacent cylinders.
2 . The adhesive material of claim 1 , wherein the ridge is linear.
3 . The adhesive material of claim 1 , wherein the ridge forms a mesh pattern interspersed by the plurality of fibers.
4 . The adhesive material of claim 1 , wherein the ridge is continuous.
5 . The adhesive material of claim 1 , wherein the ridge is discontinuous.
6 . The adhesive material of claim 1 , wherein a gap is maintained between the ridge and adjacent fibers of the adhesive array.
7 . The adhesive material of claim 1 , wherein the ridge is disposed around a perimeter of the adhesive material.
8 . The adhesive material of claim 1 , further comprising:
a plurality of additional ridges interspersed between the plurality of fibers.
9 . The adhesive material of claim 8 , wherein a spacing between adjacent ridges of the plurality of additional ridges is uniform.
10 . The adhesive material of claim 8 , wherein a spacing between adjacent ridges of the plurality of additional ridges is non-uniform.
11 . The adhesive material of claim 1 , wherein the ridge forms a polygon.
12 . The adhesive material of claim 1 , wherein the plurality of fibers and the ridge have a same height.
13 . The adhesive material of claim 1 , wherein the ridge has a square cross-sectional profile.
14 . The adhesive material of claim 1 , wherein the enlarged shaped tip of each of the plurality of fibers has a flat surface that is co-planar with flat surfaces at the enlarged shaped tip of other of the plurality of fibers.
15 . An adhesive material comprising:
an adhesive array, wherein the adhesive array comprises a plurality of pillars extending from a surface of the material; and
a ridge extending from the surface,
wherein each of the plurality of pillars has an enlarged shaped tip and includes a cylinder;
a plurality of additional ridges are interspersed between the plurality of pillars,
wherein a pitch between adjacent cylinders ranges from 1.2 to 3 times a diameter of the cylinder, and
wherein a pitch between adjacent additional ridges ranges from 2 to 200 times the pitch between adjacent cylinders.
16 . The adhesive material of claim 15 wherein the enlarged shaped tip of each one of the plurality pillars has a flat surface that is co-planar with flat surfaces of the enlarged shaped tips of other of the plurality pillars.
17 . The adhesive material of claim 15 wherein the enlarged shaped tip of the ridge is enlarged compared to a midpoint of the ridge.
18 . The adhesive material of claim 15 wherein a diameter of the cylinder ranges from 10 um to 1 mm; a height of the cylinder ranges from 10 um to 1 mm; and a width of the ridge ranges from 10 um to 3 mm.
19 . An adhesive material comprising:
an adhesive array, wherein the adhesive array comprises a plurality of pillars extending from a surface of the material; and
a ridge extending from the surface,
wherein each of the plurality of pillars includes a cylinder;
a plurality of additional ridges are interspersed between the plurality of pillars,
wherein a pitch between adjacent cylinders ranges from 1.2 to 3 times a diameter of the cylinder, and
wherein a pitch between adjacent additional ridges ranges from 2 to 200 times the pitch between adjacent cylinders.