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US06913706B2 Double-metal EUV mask absorber 失效
双金属EUV掩模吸收器

Double-metal EUV mask absorber
摘要:
A composite extreme ultraviolet light (EUV) mask absorber structure and method are disclosed to address the structural and processing requirements of EUV lithography. A first mask absorber layer anisotropically etched with minimal etch bias at a relatively fast etch rate, is combined with a highly-selective second mask absorber layer, to produce a mask absorber with desirable hybrid performance properties.
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