Applied Materials, Inc.
EUV Mask Blank Absorber Defect Reduction
Last updated:
Abstract:
Methods of coating extreme ultraviolet (EUV) reticle carrier assemblies are disclosed. The method includes depositing an adhesion layer on the EUV reticle carrier assembly, depositing at least one EUV absorber layer on the EUV reticle carrier assembly and depositing a stress-relieving layer on EUV reticle carrier assembly. The coated EUV reticle carrier assemblies exhibit reduced particle defect generation during EUV mask blank manufacturing.
Status:
Application
Type:
Utility
Filling date:
14 Dec 2020
Issue date:
16 Jun 2022