Patent ID: 8016585
Filing Date: 2011-09-13
Classification: B29C,B82Y,G03F

Abstract:
1. A resin stamper for use in an ultraviolet (UV) nanoimprint process comprising: a support member made of a light transmitting material and having mechanical strength; an intermediate layer also made of light transmitting material; and a patterned resin layer which is also made of light transmitting material, wherein the support member is larger in size than the intermediate layer and the patterned resin layer, the intermediate layer is more flexible than the patterned resin layer, and the patterned resin layer has a pattern of high and low areas formed in a surface thereof that is the obverse of the pattern of high and low areas in a mold, and wherein a planarizing film made of light transmitting material such as an acrylic rubber-based optical adhesive or an UV-curable polyester resin is disposed at the interface between the intermediate layer and the patterned resin layer.