Applied Materials, Inc.
ADHESIVE MATERIAL REMOVAL FROM PHOTOMASK IN ULTRAVIOLET LITHOGRAPHY APPLICATION

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Abstract:

Embodiments of the present disclosure generally provide apparatus and methods for removing an adhesive material from a photomask. In one embodiment, an apparatus for processing a photomask includes an enclosure, a substrate support assembly disposed in the enclosure, and a dielectric barrier discharge (DBD) plasma generator disposed above the substrate support assembly, wherein the dielectric barrier discharge plasma generator further comprises a first electrode, a second electrode, wherein the first and the second electrodes are vertically aligned and in parallel, a dielectric barrier positioned between the first electrode and the second electrode, and a discharge space defined between the dielectric barrier and the second electrode.

Status:
Grant
Type:

Utility

Filling date:

13 Dec 2019

Issue date:

17 Jun 2021