Fred L. Terry, Jr., ICSE-3, Vienna, Austria - University of Michigan
Fred L. Terry, Jr., ICSE-3, Vienna, Austria - University of Michigan
Fred L. Terry, Jr., ICSE-3, Vienna, Austria - University of Michigan
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Background I<br />
• Basic Concept: Scattering (Diffraction) <strong>of</strong><br />
Light from Features Produces Strong<br />
Structure in Reflected Optical Field<br />
• Analyze Unique Data to Obtain Topography<br />
Information<br />
• Periodic Structures (Gratings) Can Be<br />
Numerically Modeled “Exactly”<br />
• Feature Resolutions Much Better than<br />
Rayleigh Limit Are Possible Since This Is<br />
Not A General Image Formation Problem<br />
– Periodicity <strong>of</strong> Structure Is Known<br />
– Dielectric Functions <strong>of</strong> Materials Are Known<br />
<strong>Fred</strong> L. <strong>Terry</strong>, <strong>Jr</strong>., <strong>ICSE</strong>-3, <strong>Vienna</strong>, <strong>Austria</strong>, July 7, 2003<br />
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