KR102381165B1 - 레지스트 재료 및 패턴 형성 방법 - Google Patents
레지스트 재료 및 패턴 형성 방법 Download PDFInfo
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- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
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- 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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- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
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- G03F7/0397—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 an alicyclic moiety in a side chain
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- G03F7/168—Finishing the coated layer, e.g. drying, baking, soaking
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Abstract
Description
Claims (14)
- 하기 식 (A)를 갖는 화합물을 포함하는 레지스트 재료:
식 중, R1은 히드록실, 카르복실, 아미노, 니트로, 불소, 염소, C1-C20 알킬, C1-C20 알콕시, C2-C20 아실옥시, C2-C20 알콕시카르보닐, -NR1A-C(=O)-R1B, 또는 -NR1A-C(=O)-O-R1B이고, 상기 알킬, 알콕시, 아실옥시 및 알콕시카르보닐 기의 수소 원자의 일부 또는 전부가 불소, 염소, 브롬, 히드록실 또는 C1-C6 알콕시기로 치환될 수 있으며,
R1A는 수소 또는 C1-C6 알킬기이고, 이 알킬기의 수소 원자의 일부 또는 전부가 할로겐, 히드록실, C1-C6 알콕시, C2-C7 아실 또는 C2-C7 아실옥시로 치환될 수 있으며,
R1B는 C1-C16 알킬, C2-C16 알케닐 또는 C6-C12 아릴 기이고, 이들 기의 수소 원자의 일부 또는 전부가 할로겐, 히드록실, C1-C6 알콕시, C2-C7 아실 또는 C2-C7 아실옥시로 치환될 수 있으며,
R2는 C6-C10 아릴렌, C1-C8 알칸디일 또는 C2-C8 알켄디일 기이고, 이들 기의 수소 원자의 일부 또는 전부가 C1-C12 직쇄상 또는 C3-C12 분기상 알킬, C2-C12 직쇄상 또는 C3-C12 분기상 알케닐, C2-C12 직쇄상 또는 C4-C12 분기상 알키닐, C1-C12 직쇄상 또는 C3-C12 분기상 알콕시, 니트로, 아세틸, 페닐 또는 할로겐으로 치환될 수 있거나, 또는 이들 기의 탄소 원자의 일부가 에테르 결합으로 치환될 수 있으며,
X는 브롬 또는 요오드이고,
L은 단일 결합, 또는 에테르 결합 또는 에스테르 결합을 함유할 수 있는 C1-C20 2가 탄화수소기이고,
m 및 n은 1≤m≤5, 0≤n≤4 및 1≤m+n≤5를 만족하는 정수이다. - 제1항에 있어서, m이 2∼4의 정수인 레지스트 재료.
- 제1항에 있어서, X가 요오드인 레지스트 재료.
- 제1항에 있어서, 베이스 폴리머를 더 포함하는 레지스트 재료.
- 제1항에 있어서, 술폰산, 이미드산 또는 메티드산을 발생시킬 수 있는 산발생제를 더 포함하는 레지스트 재료.
- 제1항에 있어서, 유기 용제를 더 포함하는 레지스트 재료.
- 제1항에 있어서, 켄처를 더 포함하는 레지스트 재료.
- 제1항에 있어서, 계면활성제를 더 포함하는 레지스트 재료.
- 제1항에 있어서, 화학 증폭 포지티브형 레지스트 재료인 레지스트 재료.
- 제4항에 있어서, 상기 베이스 폴리머가, 하기 식 (a1)을 갖는 반복 단위 또는 하기 식 (a2)를 갖는 반복 단위를 포함하는 것인 레지스트 재료:
식 중, RA는 각각 독립적으로 수소 또는 메틸이고, R11 및 R12는 각각 독립적으로 산불안정기이며, R13은 불소, 트리플루오로메틸, 시아노, C1-C6 직쇄상, C3-C6 분기상 또는 C3-C6 환상 알킬 또는 알콕시 기, 또는 C2-C7 직쇄상, C4-C7 분기상 또는 C4-C7 환상 아실, 아실옥시 또는 알콕시카르보닐 기이고, R14는 단일 결합, 또는 일부 탄소가 에테르 결합 또는 에스테르 결합으로 치환될 수 있는 C1-C6 직쇄상 또는 C2-C6 분기상 알칸디일기이며, Y1은 단일 결합, 페닐렌, 나프틸렌, 또는 에스테르 결합, 에테르 결합 또는 락톤환을 함유하는 C1-C12 연결기이고, Y2는 단일 결합, -C(=O)-O- 또는 -C(=O)-NH-이며, p는 1 또는 2이고, q는 0∼4의 정수이다. - 제4항에 있어서, 상기 베이스 폴리머가, 하기 식 (f1) 내지 (f3)을 갖는 반복 단위에서 선택되는 적어도 1종의 반복 단위를 포함하는 레지스트 재료:
식 중, RA는 각각 독립적으로 수소 또는 메틸이고,
Z1은 단일 결합, 페닐렌, -O-Z11-, -C(=O)-O-Z11-, 또는 -C(=O)-NH-Z11-이고, Z11은 C1-C6 알칸디일기, C2-C6 알켄디일기, 또는 페닐렌기이고, 이는 카르보닐기, 에스테르 결합, 에테르 결합 또는 히드록실기를 함유할 수 있으며,
Z2는 단일 결합, -Z21-C(=O)-O-, -Z21-O- 또는 -Z21-O-C(=O)-이고, Z21은 카르보닐기, 에스테르 결합 또는 에테르 결합을 함유할 수는 C1-C12 알칸디일기이고,
Z3은 단일 결합, 메틸렌, 에틸렌, 페닐렌, 불소화페닐렌, -O-Z31-, -C(=O)-O-Z31- 또는 -C(=O)-NH-Z31-이고, Z31은 C1-C6 알칸디일기, C2-C6 알켄디일기, 페닐렌기, 불소화페닐렌기, 또는 트리플루오로메틸로 치환된 페닐렌기이고, 이는 카르보닐기, 에스테르 결합, 에테르 결합 또는 히드록실기를 함유할 수 있으며,
R21∼R28은 각각 독립적으로 헤테로 원자를 함유할 수 있는 C1-C20 1가 탄화수소기이고, R23, R24 및 R25의 어느 2개가 또는 R26, R27 및 R28의 어느 2개가 상호 결합하여 이들이 결합하는 황 원자와 함께 고리를 형성할 수 있으며,
A는 수소 또는 트리플루오로메틸이고,
M-는 비구핵성 카운터 이온이다. - 제1항의 레지스트 재료를 기판 상에 도포하는 단계, 가열 처리를 하는 단계, 형성된 레지스트막을 고에너지선으로 노광하는 단계, 및 노광된 레지스트막을 현상액 중에서 현상하는 단계를 포함하는 패턴 형성 방법.
- 제12항에 있어서, 상기 고에너지선이 파장 193 nm의 ArF 엑시머 레이저 또는 파장 248 nm의 KrF 엑시머 레이저인 패턴 형성 방법.
- 제12항에 있어서, 상기 고에너지선이 EB 또는 파장 3∼15 nm의 EUV인 패턴 형성 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2018-150158 | 2018-08-09 | ||
JP2018150158 | 2018-08-09 |
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KR20200018340A KR20200018340A (ko) | 2020-02-19 |
KR102381165B1 true KR102381165B1 (ko) | 2022-03-30 |
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- 2019-08-07 TW TW108127989A patent/TWI687768B/zh active
- 2019-08-08 CN CN201910728721.7A patent/CN110824839B/zh active Active
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JP2002131898A (ja) | 2000-10-26 | 2002-05-09 | Fuji Photo Film Co Ltd | ポジ型感放射線組成物 |
JP2018518492A (ja) | 2015-06-12 | 2018-07-12 | ニューテック・ベンチャーズ | 放射ヨウ素標識された生体共役反応試薬 |
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US20200050107A1 (en) | 2020-02-13 |
CN110824839A (zh) | 2020-02-21 |
JP2020027299A (ja) | 2020-02-20 |
CN110824839B (zh) | 2023-06-20 |
JP7131499B2 (ja) | 2022-09-06 |
KR20200018340A (ko) | 2020-02-19 |
US11392034B2 (en) | 2022-07-19 |
TW202014799A (zh) | 2020-04-16 |
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