Applied Materials, Inc.
Attachment feature removal from photomask in extreme ultraviolet lithography application

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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