Patent ID: 8388204
Filing Date: 2013-03-05
Classification: G01N,H04N

Abstract:
1. An optical inspection system comprising: a workpiece transport configured to transport the workpiece in a nonstop manner; and an illuminator configured to provide a first strobed illumination field type and a second strobed illumination field type, the illuminator including a light pipe having a first end proximate the workpiece, and a second end opposite the first end and spaced from the first end, the light pipe also having at least one reflective sidewall, and wherein the first end has an exit aperture and the second end has at least one second end aperture to provide a view of the workpiece therethrough; a first array of cameras configured to digitally image the workpiece, wherein the first array of cameras is configured to generate a first plurality of images of the workpiece with the first illumination field and a second plurality of images of the workpiece with the second illumination field; a second array of cameras configured to digitally image the workpiece, wherein the second array of cameras is configured to generate a third plurality of images of the workpiece with the first illumination field and a fourth plurality of images of the workpiece with the second illumination field; wherein the first and second arrays of cameras are configured to provide stereoscopic imaging of the workpiece; and a processing device operably coupled to the illuminator and the first and second arrays of cameras, the processing device being configured to provide at least some of the first, second, third, and fourth pluralities of images to an other device.