Patterning mask 0 in silica using ASML

Vrinda Thareja vrinda at stanford.edu
Fri Jun 22 23:37:33 PDT 2012


Hey labmembers,

Has anyone patterned mask 0 in silica (silicon dioxide) using ASML? I want
to make alignment marks (mask 0) in 300nm silica on silicon substrate. I
plan to evaporate ~100nm silver onto silica and then deposit ~20nm alumina.
I am not sure about the depth of the alignment marks for obtaining best
contrast. I would be extremely grateful for any suggestions/recipe.

thanks,
-- 
~Vrinda

Vrinda Thareja
Ph.D. Candidate
Brongersma Group
Department of Materials Science and Engineering
Stanford University
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