Patent ID: 7095483
Filing Date: 2006-08-22
Classification: H01L,Y10S

Abstract:
1. An apparatus for aligning a mask having an image and at least one complimentary alignment mark to a substrate having a first surface and a substantially opposing second surface, the substrate further having at least one alignment mark on the second surface, the apparatus comprising: a mask support for supporting the mask in proximity to the first surface of the substrate, a substrate support for supporting the substrate with the first surface in proximity to the mask, an alignment means for aligning a real time image of the at least one alignment mark on the second surface of the substrate to a real time image of the at least one complimentary alignment mark on the mask, an exposure source for projecting the image of the mask onto the first surface of the substrate, and a controller for controlling the mask support, substrate support, alignment means, and exposure source.