Applied Materials, Inc.
EXTREME ULTRAVIOLET MASK ABSORBER MATERIALS

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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 on the capping layer, the absorber layer made from carbon and antimony.

Status:
Application
Type:

Utility

Filling date:

13 Apr 2021

Issue date:

21 Oct 2021