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Development of halftone phase-shift blank and mask fabrication for ArF lithography

机译:开发ARF光刻的半色调相移空白和掩模制造

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The halftone phase-shift mask (HtPSM) has been in practical use for i-line and KrF lithography. In ArF lithography, the HtPSM is also considered to be a promising resolution enhancement technique for its simple structure and fabrication process required. We in HOYA have attempted to expand the applicability of our MoSi-based HtPSM blank technology to ArF lithography, helping extend the life of the existing infrastructure for conventional HtPSM fabrication. We have completed tuning our new MoSi-based film for ArF application. The film's optical properties, chemical durability and ArF laser irradiation durability meet industry requirements; and it is compatible with conventional mask-making processes and repair techniques for the KrF HtPSM.
机译:半色调相移掩模(HTPSM)一直是I-Line和KRF光刻的实际用途。在ARF光刻中,HTPSM也被认为是其简单的结构和制造过程所需的分辨率增强技术。我们在霍卡试图扩大基于MOSI的HTPSM空白技术对ARF光刻的适用性,帮助延长现有基础设施的寿命,以实现传统的HTPSM制造。我们已完成调整我们的新MOSI的电影以进行ARF应用。薄膜的光学性能,化学耐用性和ARF激光照射耐用性满足行业要求;它与KRF HTPSM的传统掩模制作过程和修复技术兼容。

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