ASML Holding N.V.
Pellicle and pellicle assembly

Last updated:

Abstract:

A pellicle suitable for use with a patterning device for a lithographic apparatus. The pellicle comprising at least one breakage region which is configured to preferentially break, during normal use in a lithographic apparatus, prior to breakage of remaining regions of the pellicle. At least one breakage region comprises a region of the pellicle which has a reduced thickness when compared to surrounding regions of the pellicle.

Status:
Grant
Type:

Utility

Filling date:

30 Oct 2019

Issue date:

20 Apr 2021