MICRO-WIRE ELECTRODES HAVING DIFFERENT SPATIAL RESOLUTIONS
A micro-wire electrode structure includes a surface having a surface area and an arrangement of micro-wires formed relative to the surface in the surface area. The micro-wires provide a first spatial electrode resolution and second micro-wire electrodes providing a second spatial electrode resolution greater than the first spatial electrode resolution. One or more first electrodes each include two or more electrically connected micro-wires in the surface area providing the first spatial electrode resolution. One or more second electrodes each include one or more electrically connected micro-wires in the surface area providing the second spatial electrode resolution greater than the first spatial electrode resolution. The second electrodes have a smaller electrode area and a smaller micro-wire area than the first electrodes in the surface area and the first and second electrode areas are visually uniform.
1 . A micro-wire electrode structure having first micro-wire electrodes providing a first spatial electrode resolution and second micro-wire electrodes providing a second spatial electrode resolution greater than the first spatial electrode resolution, comprising:
a surface having a surface area;
an arrangement of micro-wires formed in relation to the surface in the surface area;
one or more first electrodes, each first electrode including two or more electrically connected micro-wires in the surface area providing the first spatial electrode resolution; and
one or more second electrodes, each second electrode including one or more electrically connected micro-wires in the surface area providing the second spatial electrode resolution greater than the first spatial electrode resolution, wherein the second electrodes have a smaller electrode area and a smaller micro-wire area than the first electrodes in the surface area and the first and second electrode areas are visually uniform.
2 . The micro-wire electrode structure of claim 1 , wherein the first electrodes and second electrode(s) are formed in a common layer on or in the surface.
3 . The micro-wire electrode structure of claim 1 , wherein the first electrodes and second electrode(s) are interdigitated.
4 . The micro-wire electrode structure of claim 1 , wherein the first electrodes are adjacent to each other and the second electrode(s) are adjacent to each other.
5 . The micro-wire electrode structure of claim 4 , wherein the second electrodes are located on one side of the arrangement.
6 . The micro-wire electrode structure of claim 1 , wherein the micro-wires have a common width.
7 . The micro-wire electrode structure of claim 1 , wherein the micro-wires include first micro-wires having a first width and second micro-wires having a second width different from the first width.
8 . The micro-wire electrode structure of claim 1 , wherein the width of the first-electrode micro-wires is different from the width of the second-electrode micro-wire(s).
9 . The micro-wire electrode structure of claim 1 , wherein the first and second electrodes extend across the surface area.
10 . The micro-wire electrode structure of claim 1 , wherein one or more of the first or second electrodes extend only partway across the surface area.
11 . The micro-wire electrode structure of claim 1 , wherein the first and second electrodes extend in a first direction and further including an angled micro-wire extending in a second direction different from the first direction.
12 . The micro-wire electrode structure of claim 11 , wherein the angled micro-wire is adjacent to a second electrode(s).
13 . A micro-wire electrode structure having first micro-wire electrodes providing a first spatial electrode resolution and second micro-wire electrodes providing a second spatial electrode resolution greater than the first spatial electrode resolution, comprising: a surface;
an arrangement of micro-wires formed in relation to the surface;
one or more first electrodes, each first electrode including two or more electrically connected micro-wires providing the first spatial electrode resolution;
one or more second electrodes, each second electrode including one or more electrically connected micro-wires providing the second spatial electrode resolution greater than the first spatial electrode resolution, wherein the second electrodes have a smaller electrode area and a smaller micro-wire area than the first electrodes in the surface area and the first and second electrode areas are visually uniform; and
a controller connected to the first electrode(s) and to the second electrode(s).
14 . The micro-wire electrode structure of claim 13 , wherein the controller includes a first control circuit connected to the first electrodes and a second control circuit connected to the second electrode(s).
15 . The micro-wire electrode structure of claim 14 , wherein the controller includes a switching circuit for connecting two or more of the second electrodes together and connecting the two or more electrically connected second electrodes to the first control circuit.
16 . The micro-wire electrode structure of claim 14 , wherein the controller includes a selection circuit for selecting a subset of the first and second electrodes and connecting the selected subset to the first or second circuits.
17 . A micro-wire electrode structure having first micro-wire electrodes providing a first spatial electrode resolution and second micro-wire electrodes providing a second spatial electrode resolution greater than the first spatial electrode resolution and third micro-wire electrodes providing a third spatial electrode resolution and fourth micro-wire electrodes providing a fourth spatial electrode resolution greater than the third spatial electrode resolution, comprising:
a surface;
an arrangement of micro-wires formed in relation to the surface;
one or more first electrodes, each first electrode including two or more electrically connected micro-wires providing the first spatial electrode resolution;
one or more second electrodes, each second electrode including one or more electrically connected micro-wires providing the second spatial electrode resolution greater than the first spatial electrode resolution, wherein the second electrodes have a smaller electrode area and a smaller micro-wire area than the first electrodes in the surface area and the first and second electrode areas are visually uniform;
a second visually uniform arrangement of micro-wires formed in relation to the surface;
one or more electrically isolated third electrodes, each third electrode including two or more electrically connected micro-wires providing the third spatial electrode resolution; and
one or more electrically isolated fourth electrodes, each fourth electrode including one or more electrically connected micro-wires providing the fourth spatial electrode resolution greater than the third spatial electrode resolution, wherein the fourth electrodes have a smaller electrode area and a smaller micro-wire area than the third electrodes and the third and fourth electrode areas are visually uniform.
18 . The micro-wire electrode structure of claim 17 , wherein the first electrodes and second electrodes are formed in a first common layer on or in the surface and wherein the third electrodes and fourth electrodes are formed in a second common layer on or in the surface that is different from the first common layer.
19 . The micro-wire electrode structure of claim 17 , wherein the first electrodes and second electrodes extend in a first direction, the third electrodes and fourth electrodes extend in a second direction that is different from the first direction.
20 . The micro-wire electrode structure of claim 17 , wherein the first direction and the second direction are orthogonal.
21 . The micro-wire electrode structure of claim 17 , wherein the second electrodes are arranged in groups and the micro-wires of at least one group are spatially offset with respect to the micro-wires of another group.