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http://dx.doi.org/10.5757/JKVS.2010.19.5.341

Anti-Reflection Coating Application of SixOy-SixNy Stacked-Layer Fabricated by Reactive Sputtering  

Gim, Tzang-Jo (School of Electrical Engineering, Inha University)
Lee, Boong-Joo (Department of Electronics Engineering, Namseoul University)
Shina, Paik-Kyun (School of Electrical Engineering, Inha University)
Publication Information
Journal of the Korean Vacuum Society / v.19, no.5, 2010 , pp. 341-346 More about this Journal
Abstract
In this paper, anti-reflection coating was investigated for decreasing the reflection in visible range of 400~650 [nm] through four staked layers of $Si_xO_y$ and $Si_xN_y$ thin films prepared by reactive sputtering method. Si single crystal of 6 [inch] diameter was used as a sputtering target. Ar and $O_2$ gases were used as sputtering gases for reactive sputtering for the $Si_xO_y$ thin film, and Ar and $N_2$ gases were used for reactive sputtering for the $Si_xN_y$ thin film. DC pulse power of 1900 [W] was used for the reactive sputtering. Refractive index and deposition rate were 1.50 and 2.3 [nm/sec] for the $Si_xO_y$, and 1.94 and 1.8 [nm/sec] for the $Si_xN_y$ thin film, respectively. Considering the simulation of the four layer anti-reflection coating structure with the above mentioned films, the $Si_xO_y-Si_xN_y$ stacked four-layer structure was prepared. The reflection measurement result for that structure showed that a "W" shaped anti-reflection was obtained successfully with a reflection of 1.7 [%] at 550 [nm] region and a reflection of 1 [%] at 400~650 [nm] range.
Keywords
Reactive sputtering; $Si_xO_y$; $Si_xN_y$; Refractive index; Anti-reflection coating;
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Times Cited By KSCI : 2  (Citation Analysis)
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