KR100732285B1 - 포토레지스트 단량체, 그의 중합체 및 이를 함유하는포토레지스트 조성물 - Google Patents
포토레지스트 단량체, 그의 중합체 및 이를 함유하는포토레지스트 조성물 Download PDFInfo
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- KR100732285B1 KR100732285B1 KR1020000081766A KR20000081766A KR100732285B1 KR 100732285 B1 KR100732285 B1 KR 100732285B1 KR 1020000081766 A KR1020000081766 A KR 1020000081766A KR 20000081766 A KR20000081766 A KR 20000081766A KR 100732285 B1 KR100732285 B1 KR 100732285B1
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
- G03F7/0395—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition the macromolecular compound having a backbone with alicyclic moieties
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/08—Bridged systems
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/0046—Photosensitive materials with perfluoro compounds, e.g. for dry lithography
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
- G03F7/0382—Macromolecular compounds which are rendered insoluble or differentially wettable the macromolecular compound being present in a chemically amplified negative photoresist composition
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
- G03F7/0757—Macromolecular compounds containing Si-O, Si-C or Si-N bonds
- G03F7/0758—Macromolecular compounds containing Si-O, Si-C or Si-N bonds with silicon- containing groups in the side chains
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/265—Selective reaction with inorganic or organometallic reagents after image-wise exposure, e.g. silylation
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- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials For Photolithography (AREA)
Abstract
Description
Claims (22)
- 삭제
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- 제 6 항에 있어서,상기 산에 민감한 보호기는 tert-부틸, 테트라히드로피란-2-일, 2-메틸 테트라히드로피란-2-일, 테트라히드로퓨란-2-일, 2-메틸 테트라히드로퓨란-2-일, 1-메톡시프로필, 1-메톡시-1-메틸에틸, 1-에톡시프로필, 1-에톡시-1-메틸에틸, 1-메톡시에틸, 1-에톡시에틸, tert-부톡시에틸, 1-이소부톡시에틸 및 2-아세틸멘트-1-일로 이루어진 군으로부터 선택된 것을 특징으로 하는 포토레지스트 중합체.
- 삭제
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- (i) 제 6 항의 포토레지스트 중합체와, (ii) 광산 발생제와, (iii) 유기용매를 포함하는 것을 특징으로 하는 포토레지스트 조성물.
- 제 11 항에 있어서,상기 광산 발생제는 프탈이미도트리플루오로메탄술포네이트, 디니트로벤질토실레이트, n-데실디술폰 및 나프틸이미도트리플루오로메탄술포네이트로 이루어진 군으로부터 선택되고,상기 유기용매는 에틸 3-에톡시프로피오네이트, 메틸 3-메톡시 프로피오네이트, 사이클로헥사논, 프로필렌글리콜 메틸에테르아세테이트, n-헵타논, 에틸 락테이트, 에틸렌글리콜, 디에틸렌글리콜, 트리에틸렌글리콜, 에틸렌글리콜 디메틸에테르, 에틸렌글리콜 디에틸에테르 및 에틸렌글리콜 디프로필에테르로 이루어진 군으로부터 선택된 것을 특징으로 하는 포토레지스트 조성물.
- 제 12 항에 있어서,상기 광산 발생제에 더하여 디페닐요도염 헥사플루오르포스페이트, 디페닐요도염 헥사플루오르 아르세네이트, 디페닐요도염 헥사플루오르 안티모네이트, 디페닐파라메톡시페닐 트리플레이트, 디페닐파라톨루에닐 트리플레이트, 디페닐파라이 소부틸페닐 트리플레이트, 트리페닐설포늄 헥사플루오르 아르세네이트, 트리페닐설포늄 헥사플루오르 안티모네이트, 트리페닐설포늄 트리플레이트 및 디부틸나프틸설포늄 트리플레이트로 이루어진 군으로부터 선택된 광산 발생제를 더 포함하는 것을 특징으로 하는 포토레지스트 조성물.
- 제 11 항에 있어서,상기 광산 발생제는 포토레지스트 중합체에 대해 0.1 내지 10 중량%의 비율로 사용되고,상기 유기용매는 상기 포토레지스트 중합체에 대해 400 내지 1500 중량% 의 양으로 사용되는 것을 특징으로 하는 포토레지스트 조성물.
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- (a) 제 11 항 기재의 포토레지스트 조성물을 피식각층 상부에 도포하여 포토레지스트 막을 형성하는 단계;(b) 상기 포토레지스트 막을 EUV (Extreme Ultra Violet), VUV (Vacuum Ultra Violet), ArF, KrF, E-빔, X-선 및 이온 빔으로 이루어진 군에서 선택된 노광원을 이용하여 노광하는 단계;(c) 상기 노광된 포토레지스트 막을 100 내지 200℃ 온도에서 베이크 하는 단계; 및(d) 상기 결과물을 현상하여 패턴을 얻는 단계로 이루어지는 것을 특징으로 하는 포토레지스트 패턴 형성방법.
- 삭제
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- 제 17 항 기재의 방법에 의해 제조된 반도체 소자.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62241906A (ja) * | 1986-04-14 | 1987-10-22 | Tosoh Corp | フツ素含有重合体 |
US5192643A (en) * | 1990-01-24 | 1993-03-09 | Fujitsu Limited | Pattern-forming method and radiation resist for use when working this pattern-forming method |
JPH0943848A (ja) * | 1995-08-02 | 1997-02-14 | Fujitsu Ltd | レジスト材料及びレジストパターンの形成方法 |
JP2000298346A (ja) * | 1999-04-14 | 2000-10-24 | Toray Ind Inc | ポジ型感放射線性組成物およびこれを用いたレジストパターンの製造法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62241906A (ja) * | 1986-04-14 | 1987-10-22 | Tosoh Corp | フツ素含有重合体 |
US5192643A (en) * | 1990-01-24 | 1993-03-09 | Fujitsu Limited | Pattern-forming method and radiation resist for use when working this pattern-forming method |
JPH0943848A (ja) * | 1995-08-02 | 1997-02-14 | Fujitsu Ltd | レジスト材料及びレジストパターンの形成方法 |
JP2000298346A (ja) * | 1999-04-14 | 2000-10-24 | Toray Ind Inc | ポジ型感放射線性組成物およびこれを用いたレジストパターンの製造法 |
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