Patent ID: 7401549
Filing Date: 2008-07-22
Classification: B81C,B82Y,G03F,H01L

Abstract:
1. An arrangement for use in transferring information/structures to wafers using a stamp, the arrangement comprising: a chuck; a wafer fixed on the chuck, the wafer being provided with a patterning layer on a main surface thereof; a stamp including elevated structures on a main surface, the elevated structures serving as information/structures to be transferred to the patterning layer on the wafer, wherein dimensions of the main surface of the stamp approximately correspond to dimensions of the main surface of the wafer, wherein the stamp is provided with the elevated structures essentially over the entire main surface, and wherein the stamp and the wafer each include a plurality of mutually assigned pairs of alignment marks; a positioning system comprising a plurality of infrared light sources and a plurality of infrared cameras, wherein each mutually assigned pair of alignment marks is illuminated by an infrared light source and is monitored by a corresponding infrared camera, and wherein the stamp is positioned on the wafer by means of the positioning system and is pressed into the patterning layer.