Invention Grant
- Patent Title: Pellicle, methods of fabrication and methods of use for extreme ultraviolet lithography
- Patent Title (中): 薄膜,制造方法和用于极紫外光刻的方法
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Application No.: US11618487Application Date: 2006-12-29
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Publication No.: US07666555B2Publication Date: 2010-02-23
- Inventor: Michael Goldstein , Yashesh Shroff , Daniel Tanzil
- Applicant: Michael Goldstein , Yashesh Shroff , Daniel Tanzil
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Blakely, Sokoloff, Taylor & Zafman LLP
- Main IPC: G03F1/00
- IPC: G03F1/00 ; A47G1/12

Abstract:
Embodiments of a pellicle, methods of fabrication and methods of use in extreme ultraviolet (EUV) photolithography are disclosed. The pellicle may include a wire mesh with a square or hexagonal geometric configuration. A thin film of a material with a high Young's modulus may be coated on at least one surface of the wire mesh. A method of fabrication may include forming at least one sacrificial layer on a surface of the wire mesh, forming a thin film on another surface of the wire mesh, and removing the sacrificial layer to form a pellicle. A method of use may include positioning a pellicle relative to a photomask to protect the photomask from particulate accumulation during an EUV photolithography process.
Public/Granted literature
- US20080158535A1 PELLICLE, METHODS OF FABRICATION & METHODS OF USE FOR EXTREME ULTRAVIOLET LITHOGRAPHY Public/Granted day:2008-07-03
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