Patent ID: 6970287
Filing Date: 2005-11-29
Classification: G01N,G02B

Abstract:
1. An inspection device comprising: a light source; a pellicle beamsplitter for receiving light from the light source and redirecting said light; an aperture array for receiving light from the pellicle beamsplitter wherein the aperture array is a two dimensional array of pinholes having an x axis and a y axis ninety degrees apart, and wherein the x direction defines a scan line direction and the distance between pinholes in the x direction is greater than the distance between pinholes in the y direction; and an imaging system including an object imager including a plurality of lenses, a camera reimager including a plurality of lenses, and a camera for acquiring an image; wherein the pinholes in the y axis direction are axial to the y axis, while the pinholes in the x axis direction are not axial to the x axis.