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A protective layer on As2S3 film for photo-resist patterning

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Authors

Choi, Duk-Yong
Madden, Steve
Rode, Andrei V
Wang, Rongping
Bulla, Douglas
Luther-Davies, Barry

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Publisher

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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Source

Journal of Non-crystalline Solids

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Restricted until

2037-12-31