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EUV MASK INSPECTION APPARATUS AND METHOD, AND EUV MASK MANUFACTURING METHOD INCLUDING EUV MASK INSPECTION METHOD
EUV MASK INSPECTION APPARATUS AND METHOD, AND EUV MASK MANUFACTURING METHOD INCLUDING EUV MASK INSPECTION METHOD
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机译:EUV面具检查装置和方法,以及包括EUV面具检查方法的EUV面具制造方法
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摘要
Provided are a method and an apparatus for inspecting an extreme ultraviolet (EUV) mask at a high speed with high optical efficiency, and a method of manufacturing the EUV mask, wherein the method of inspecting the EUV mask is included in the method of manufacturing the EUV mask. The apparatus for inspecting the EUV mask includes a light source configured to generate and output light, a linear zone plate configured to convert the light from the light source to light having a linear form, a slit plate configured to output the light having the linear form by removing a higher-order diffracted light component from the light having the linear form, a stage on which the EUV mask is located, and a detector configured to detect the light reflected from the EUV mask, in response to the light being irradiated onto and reflected from the EUV mask.
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