Patent ID: 7955883
Filing Date: 2011-06-07
Classification: C12Q,G01N,Y10T

Abstract:
1. A method for producing a sensor by non-orthogonal directional deposition of a conductive material on an insulating substrate, comprising: a) defining at least one electrode region on said insulating substrate, each having a first zone for forming a first electrode, a second zone for forming a second electrode, and an intermediate zone where the first and the second zones overlap, for forming interdigitated fingers of the first and the second electrodes; b) defining at least one isolation region for forming three-dimensional isolation structures adjacent each of said electrode regions, each of said isolation regions being located outside the adjacent electrode region and extending at least on opposite sides of the first zone of the adjacent electrode region; c) forming isolation structures in each of said isolation regions, said structures being shaped for creating shadow zones in which substantially no material is deposited upon directional deposition of conductive material in a predetermined deposition direction, said shadow zones providing electrical isolation between conductive material which is deposited in said first zone and conductive material which is deposited outside said first zone; and d) depositing a conductive material on said insulating substrate by non-orthogonal directional deposition in said predetermined deposition direction, thereby forming said first and second electrodes and said shadow zones.