Title:
Interference Projection Exposure System And Method Of Using Same
Interference Projection Exposure System And Method Of Using Same
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Abstract
An exemplary embodiment of the present invention provides an interference projection exposure system comprising a beam-providing subsystem and an objective lens subsystem that can provide a plurality of light beams which intersect and interfere at an image plane to produce a high spatial frequency periodic optical-intensity distribution. The interference projection system can further comprise a pattern mask that can alter the periodic optical-intensity distribution so as to incorporate functional elements within the periodic optical-intensity distribution. The beam providing subsystem can comprise a beam generating subsystem, a beam conditioning subsystem and a beam directing subsystem. Another exemplary embodiment of the present invention provides for a method of producing a high spatial frequency periodic optical-intensity distribution using a interference projection exposure system.
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Date Issued
4/28/2015
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Patent