发明授权
US09091947B2 Extreme ultraviolet light (EUV) photomasks and fabrication methods thereof 有权
极紫外光(EUV)光掩模及其制造方法

Extreme ultraviolet light (EUV) photomasks and fabrication methods thereof
摘要:
Embodiments of EUV photomasks and methods for forming a EUV photomask are provided. The method comprises providing a substrate, a reflective layer, a capping layer, a hard mask layer, and forming an opening therein. An absorber layer is then filled in the opening and over the top surface of the hard mask layer. A removing process is provided to form an absorber with a top surface lower than a top surface of the capping layer.
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