Invention Grant
US08383297B2 Pellicle for lithography and method for manufacturing pellicle film
有权
用于光刻的防护薄膜和防护薄膜制造方法
- Patent Title: Pellicle for lithography and method for manufacturing pellicle film
- Patent Title (中): 用于光刻的防护薄膜和防护薄膜制造方法
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Application No.: US13032186Application Date: 2011-02-22
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Publication No.: US08383297B2Publication Date: 2013-02-26
- Inventor: Toru Shirasaki , Kunihiro Ito
- Applicant: Toru Shirasaki , Kunihiro Ito
- Applicant Address: JP Tokyo
- Assignee: Shin-Etsu Chemical Co., Ltd.
- Current Assignee: Shin-Etsu Chemical Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2010-037408 20100223
- Main IPC: G03F1/62
- IPC: G03F1/62

Abstract:
Provided are a pellicle for lithography which can prevent a haze from being generated on a photomask even if a short wave length laser such as an ArF excimer laser is used for a long period of time, and a method for producing a pellicle film to be attached to the pellicle for lithography. The pellicle 1 for lithography is comprised of a frame-like pellicle frame 4 having one open frame on one side of the pellicle frame and another open frame on another side of the pellicle frame; and a laser beam transmissive pellicle film 2 for lithography, which is attached to the one side of the pellicle frame. The another open frame is capable of attaching to a photomask 10 and the pellicle film has a venting hole 7 having a hole size through which a gas molecule 15 can pass but not a foreign particle 16.
Public/Granted literature
- US20110207030A1 PELLICLE FOR LITHOGRAPHY AND METHOD FOR MANUFACTURING PELLICLE FILM Public/Granted day:2011-08-25
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