An apparatus comprising a liquid switch. The liquid switch comprises a substrate having a surface with first and second regions thereon and a fluid configured to contact both of the regions. The regions each comprise electrically connected fluid-support-structures, wherein each of the fluid-support-structures have at least one dimension of about 1 millimeter or less. The regions are electrically isolated from each other.
1. An apparatus comprising:
a liquid switch comprising:
a substrate having a surface with first and second regions thereon, said regions each comprising electrically connected fluid-support-structures, wherein
each of said fluid-support-structures have at least one dimension of about 1 millimeter or less, and
said regions are electrically isolated from each other; and
a fluid configured to contact both of said regions.
2. The apparatus of claim 1 , wherein said first and second region has an areal density of said fluid-support-structures that is greater than an areal density of said fluid-support-structures in a remaining portion of said surface.
3. The apparatus of claim 1 , wherein there is an areal density gradient of said fluid-support-structures between said first and said second regions.
4. The apparatus of claim 1 , wherein said first and second regions have a total surface area of top surfaces of said fluid-support-structures that is greater than a total surface area of top surfaces of said fluid-support-structures in a remaining portion of said surface.
5. The apparatus of claim 1 , further comprising an electrical source, wherein said electrical source is configured to separately apply voltages to said fluid-support-structures of said first and second regions.
6. The apparatus of claim 5 , wherein said electrical source is configured to apply a non-zero voltage to said fluid-support-structures in one of said first or said second regions and a zero voltage to the other of said first or said second regions.
7. The apparatus of claim 1 , wherein said liquid switch further comprises a second substrate having a second surface with said first and second regions thereon, wherein said second surface opposes said surface and said fluid is located therebetween.
8. The apparatus of claim 1 , wherein said liquid switch further comprises conductive lines configured to couple said liquid switch to an electrical load.
9. The apparatus of claim 8 , wherein said electrical load comprises an integrated circuit.
10. The apparatus of claim 1 , wherein each of said fluid-support-structures comprises a post and said one dimension is a lateral thickness of said post.
11. The apparatus of claim 1 , wherein each of said fluid-support-structures comprises a cell and said at least one dimension is a lateral thickness of a wall of said cell.