Patent ID: 9062966
Filing Date: 2015-06-23
Classification: G01B,G16Z

Abstract:
1. A method of inspecting a three dimensional shape comprising: selecting a predetermined inspection target component formed on a board as the measurement target; acquiring a shape of the inspection target component, the shape being acquired as a three dimensional shape based on height information, wherein acquiring the shape of the inspection target component comprises generating light from an illumination device and capturing an image utilizing an image capturing device; setting a reference point capable of defining a location of a polarity mark of the inspection target component, the polarity mark comprising a height different than an adjacent area of the inspection target; acquiring information for a relative location of a polarity mark formed on the inspection target component with respect to the reference point, the relative location of the polarity mark corresponding to a location at which the polarity mark theoretically exists; and judging whether the inspection target component is good or bad by checking whether the polarity mark exists or not at the relative location with respect to the reference point by using the height information of the inspection target component.