A protective layer on As2S3 film for photo-resist patterning
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Choi, Duk-Yong
Madden, Steve
Rode, Andrei V
Wang, Rongping
Bulla, Douglas
Luther-Davies, Barry
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Elsevier
Abstract
We have developed an effective fabrication process for As2S3 planar waveguides. A bottom anti-reflection coating provides a layer that not only protects the As2S3 film from attack by the alkaline developer but also improves line edge roughness of photo-resist patterns which is a pre-requisite for waveguides with smooth sidewalls. Crown
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Journal of Non-crystalline Solids
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2037-12-31
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