Applied Materials, Inc.
Extreme ultraviolet mask with embedded absorber layer
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Abstract:
Extreme ultraviolet (EUV) mask blanks, methods for their manufacture and production systems therefor are disclosed. The EUV mask blanks comprise a substrate; a multilayer stack of reflective layers on the substrate; a capping layer on the multilayer stack of reflecting layers; and an absorber layer embedded in the multilayer stack of reflective layers.
Status:
Grant
Type:
Utility
Filling date:
19 May 2020
Issue date:
21 Jun 2022