Patent ID: 8609194
Filing Date: 2013-12-17
Classification: G01B

Abstract:
1. A method for white light scanning of an object comprising the steps of; cleaning the object to be scanned; preparing a composition consisting of corn starch, water, titanium dioxide, talc, calcium carbonate, a wetting agent and a gel thickener; placing said composition into an air powered spray brush; placing said object into a spraying booth; heating said object to a temperature that will facilitate evaporation of said water from said composition within two to four seconds upon contact with the object; coating said object with said composition applied through said air powered spray brush, whereby said coating is no thicker than 0.00025 inches and will exhibit a uniform opaqueness when viewed at a viewing angle of between 34 degrees to 45 degrees; allowing said object to cool to room temperature; scanning the composition coated object using a white light source to project controlled fringe patterns on said composition coated object; collecting data points using one or more cameras; processing data points to complete a three dimensional image of the object's surface.