A rotary apertured interferometric lithography (RAIL) system that includes
interferometric lithography tools, a mask with a slit preferably with an
arc shape, and a rotating stage is disclosed. The RAIL system could
create a servo pattern of a recording-head trajectory of a hard disk
drive in a master for magnetic-contact printing. The master can could be
used to form arrays of sub-micron sized magnetic elements on a magnetic
disk media for high-density magnetic recording applications.