Applied Materials, Inc.
EUV Mask Blanks And Methods Of Manufacture
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Abstract:
An extreme ultraviolet reflective element comprising a multilayer stack of absorber layers on a multilayer stack of reflective layers. The element comprises spacing layer and phase tuning layer. Methods of manufacturing extreme ultraviolet reflective elements and lithography systems including extreme ultraviolet reflective elements are also described.
Status:
Grant
Type:
Utility
Filling date:
31 Jul 2020
Issue date:
11 Feb 2021