Patent ID: 7658772
Filing Date: 2010-02-09
Classification: H01J,Y10T

Abstract:
1. A process for making a matching pair of surfaces comprising the steps: a) creating a network of channels on a surface of a first substrate; b) coating a layer of a first material over said surface of said first substrate; c) creating a network of channels on a surface of a second substrate; d) coating a layer of a second material over said surface of said second substrate; e) contacting said layer of a first material and said layer of a second material; f) applying pressure across said layer of a first material and said layer of a second material; pressing said first material and said second material into said network of channels, thereby forming a composite; and, g) separating said composite whereby a matching pair of surfaces is formed, wherein where one surface has an indentation the other surface has a protrusion so that the two surfaces are substantially equidistant from each other.