Applied Materials, Inc.
Attachment feature removal from photomask in extreme ultraviolet lithography application
Last updated:
Abstract:
Embodiments of the present disclosure generally provide apparatus and methods for removing an attachment feature utilized to hold a pellicle from a photomask. In one embodiment, an attachment feature removal apparatus for processing a photomask includes an attachment feature puller comprising an actuator, a clamp coupled to the actuator, the clamp adapted to grip an attachment feature, and a coil assembly disposed adjacent to the attachment feature.
Status:
Grant
Type:
Utility
Filling date:
23 Oct 2019
Issue date:
23 Feb 2021