KR20130039864A - 방향족 고리 함유 고분자 및 이를 포함하는 레지스트 하층막 조성물 - Google Patents
방향족 고리 함유 고분자 및 이를 포함하는 레지스트 하층막 조성물 Download PDFInfo
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- KR20130039864A KR20130039864A KR1020110104504A KR20110104504A KR20130039864A KR 20130039864 A KR20130039864 A KR 20130039864A KR 1020110104504 A KR1020110104504 A KR 1020110104504A KR 20110104504 A KR20110104504 A KR 20110104504A KR 20130039864 A KR20130039864 A KR 20130039864A
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- ZDYVRSLAEXCVBX-UHFFFAOYSA-N pyridinium p-toluenesulfonate Chemical compound C1=CC=[NH+]C=C1.CC1=CC=C(S([O-])(=O)=O)C=C1 ZDYVRSLAEXCVBX-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
-
- 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
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
-
- 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
-
- 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
- G03F7/34—Imagewise removal by selective transfer, e.g. peeling away
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- General Physics & Mathematics (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Materials For Photolithography (AREA)
Abstract
Description
| 고분자 | 가열 온도(℃) | 질량손실량(wt%) | |
| 실시예 1-1 | 화학식 1a | 400 | 4.1 |
| 실시예 1-2 | 화학식 1b | 400 | 4.8 |
| 실시예 1-3 | 화학식 1c | 400 | 4.5 |
| 실시예 1-4 | 화학식 1d | 400 | 3.8 |
| 실시예 1-5 | 화학식 1e | 400 | 3.6 |
| 실시예 1-6 | 화학식 1f | 400 | 4.2 |
| 실시예 1-7 | 화학식 1g | 400 | 4.6 |
| 실시예 1-8 | 화학식 1h | 400 | 3.9 |
| 실시예 1-9 | 화학식 1i | 400 | 3.1 |
| 실시예 1-10 | 화학식 1j | 400 | 2.4 |
| 실시예 1-11 | 화학식 1k | 400 | 2.6 |
| 실시예 1-12 | 화학식 1l | 400 | 3.8 |
| 실시예 1-13 | 화학식 1m | 400 | 2.8 |
| 비교예 1-1 | 화학식 4 | 400 | 19.8 |
| 비교예 1-2 | 화학식 5 | 400 | 71.2 |
| 고분자 | 가교제/사용량 | 계면활성제/ 사용량 |
용매 | |||
| 화학식 | 사용량 | PGMEA | CH | |||
| 실시예 2-1 | 화학식 1a | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-2 | 화학식 1b | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-3 | 화학식 1c | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-4 | 화학식 1d | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-5 | 화학식 1e | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-6 | 화학식 1f | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-7 | 화학식 1g | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-8 | 화학식 1h | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-9 | 화학식 1i | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-10 | 화학식 1j | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-11 | 화학식 1k | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-12 | 화학식 1l | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-13 | 화학식 1m | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 실시예 2-14 | 화학식 1a | 10g | - | R-08 / 0.04g | 60g | 29g |
| 실시예 2-15 | 화학식 1h | 10g | - | R-08 / 0.04g | 60g | 29g |
| 비교예 2-1 | 화학식 4 | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 비교예 2-2 | 화학식 5 | 10g | MX-270 / 1g | R-08 / 0.04g | 60g | 29g |
| 굴절률(n) (@248nm) |
광학흡광계수(k) (@248nm) |
굴절률(n) (@193nm) |
광학흡광계수(k) (@193nm) |
|
| 실시예 3-1 | 1.80 | 0.76 | 1.40 | 0.53 |
| 실시예 3-2 | 1.86 | 0.78 | 1.41 | 0.49 |
| 실시예 3-3 | 1.91 | 0.78 | 1.44 | 0.51 |
| 실시예 3-4 | 1.89 | 0.76 | 1.38 | 0.53 |
| 실시예 3-5 | 1.95 | 0.72 | 1.41 | 0.42 |
| 실시예 3-6 | 1.88 | 0.79 | 1.44 | 0.40 |
| 실시예 3-7 | 1.97 | 0.73 | 1.39 | 0.44 |
| 실시예 3-8 | 1.98 | 0.81 | 1.35 | 0.37 |
| 실시예 3-9 | 1.91 | 0.81 | 1.39 | 0.52 |
| 실시예 3-10 | 1.94 | 0.76 | 1.41 | 0.54 |
| 실시예 3-11 | 1.97 | 0.78 | 1.41 | 0.53 |
| 실시예 3-12 | 1.86 | 0.77 | 1.45 | 0.60 |
| 실시예 3-13 | 1.97 | 0.72 | 1.39 | 0.51 |
| 실시예 3-14 | 1.78 | 0.78 | 1.38 | 0.51 |
| 실시예 3-15 | 1.95 | 0.79 | 1.36 | 0.40 |
| 비교예 3-1 | 1.96 | 0.82 | 1.54 | 0.70 |
| 비교예 3-2 | 1.98 | 0.87 | 1.62 | 0.81 |
| 가열 온도(℃) | 에칭속도(Å/sec) | 가열 온도(℃) | 에칭속도(Å/sec) | |
| 실시예 3-1 | 240 | 88 | 400 | 85 |
| 실시예 3-2 | 240 | 78 | 400 | 77 |
| 실시예 3-3 | 240 | 86 | 400 | 89 |
| 실시예 3-4 | 240 | 81 | 400 | 80 |
| 실시예 3-5 | 240 | 80 | 400 | 80 |
| 실시예 3-6 | 240 | 78 | 400 | 76 |
| 실시예 3-7 | 240 | 76 | 400 | 74 |
| 실시예 3-8 | 240 | 87 | 400 | 82 |
| 실시예 3-9 | 240 | 74 | 400 | 76 |
| 실시예 3-10 | 240 | 84 | 400 | 84 |
| 실시예 3-11 | 240 | 75 | 400 | 76 |
| 실시예 3-12 | 240 | 91 | 400 | 82 |
| 실시예 3-13 | 240 | 86 | 400 | 88 |
| 실시예 3-14 | 240 | 77 | 400 | 76 |
| 실시예 3-15 | 240 | 79 | 400 | 74 |
| 비교예 3-1 | 240 | 112 | 400 | 106 |
| 비교예 3-2 | 240 | 123 | 400 | - |
Claims (11)
- 제1항에 있어서, 상기 방향족 고리 함유 고분자의 중량평균분자량은 500 내지 50,000인 것인 방향족 고리 함유 고분자.
- 제4항에 있어서, 상기 유기용매는 프로필렌글리콜모노메틸에테르 아세테이트(PGMEA), 프로필렌글리콜모노메틸에테르(PGME), 사이클로헥산온(CH), 에틸락테이트(EL), 감마부티로락톤(GBL) 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것인 레지스트 하층막 조성물.
- 제4항에 있어서, 상기 방향족 고리 함유 고분자의 함량은 1 내지 25중량%이고, 나머지는 유기용매인 것인 레지스트 하층막 조성물.
- 에칭되는 기판의 상부에, 하기 화학식 1로 표시되는 반복단위를 포함하는 방향족 고리 함유 고분자 및 유기 용매를 포함하는 레지스트 하층막 조성물을 이용하여 레지스트 하층막을 형성하는 단계,
[화학식 1]
상기 화학식 1에서, R1은 탄소수 5 내지 20의 단일환형 또는 다환형의 방향족 탄화수소기이고, R2 및 R3는 각각 독립적으로, 탄소수 4 내지 14의 단일환형 또는 다환형의 방향족 탄화수소기이고, a는 1 내지 3의 정수이고, b는 0 내지 2의 정수이다;
상기 레지스트 하층막 상부에 포토레지스트층을 형성하는 단계;
상기 포토레지스트층을 소정 패턴으로 방사선에 노출시킴으로써 상기 포토레지스트층에 방사선 노출된 영역의 패턴을 생성하는 단계;
상기 패턴을 따라, 상기 포토레지스트층 및 레지스트 하층막을 선택적으로 제거하여, 상기 패턴의 형태로 상기 기판을 노출시키는 단계; 및
상기 기판의 노출된 부분을 에칭하는 단계를 포함하는 패턴 형성 방법. - 제7항에 있어서, 상기 레지스트 하층막을 형성하는 단계는, 상기 레지스트 하층막 조성물을 500 내지 6,000Å의 두께로 기판 상부에 스핀 코팅하고, 240 내지 400℃의 온도에서 50초 내지 180초 동안 가열함으로써 수행되며, 형성된 레지스트 하층막의 두께는 40 내지 550 nm인 것인 패턴 형성 방법.
- 제7항에 있어서, 상기 레지스트 하층막의 제거는 CHF3/CF4 혼합가스를 이용한 드라이 에칭에 의하여 수행되는 것인 패턴 형성 방법.
- 제7항에 있어서, 상기 유기용매는 프로필렌글리콜모노메틸에테르 아세테이트(PGMEA), 프로필렌글리콜모노메틸에테르(PGME), 사이클로헥산온(CH), 에틸락테이트(EL), 감마부티로락톤(GBL) 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것인 패턴 형성 방법.
- 제7항에 있어서, 상기 방향족 고리 함유 고분자의 함량은 1 내지 25중량%이고, 나머지는 유기용매인 것인 패턴 형성 방법.
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| JPWO2020218600A1 (ko) * | 2019-04-26 | 2020-10-29 | ||
| WO2020218600A1 (ja) * | 2019-04-26 | 2020-10-29 | 三菱瓦斯化学株式会社 | 光学部品形成用組成物 |
| JP2022096615A (ja) * | 2020-12-17 | 2022-06-29 | ローム アンド ハース エレクトロニック マテリアルズ エルエルシー | フォトレジスト下層組成物及びパターン形成方法 |
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