Method of manufacturing a dual-sided stamper/imprinter, method of simultaneously forming magnetic transition patterns and dual-sided stamper/imprinter

摘要

A dual-sided stamper/imprinter for simultaneously forming magnetic transition patterns in spaced-apart first and second layers of magnetic material by contact printing comprises a mechanically hard, substantially rigid magnetic material having high saturation magnetization and high permeability and including first and second oppositely facing imprinting surfaces, wherein each of the imprinting surfaced has a topographical pattern formed therein comprising a patterned plurality of spaced-apart recesses with a plurality of non-recessed areas therebetween, each topographical pattern corresponding to a magnetic transition pattern to be formed in a respective layer of magnetic material. Also disclosed is a method for manufacturing dual-sided stampers/imprinters.