Applied Materials, Inc.
Extreme ultraviolet mask with embedded absorber layer

Last updated:

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