JP2018036631A - シリコン含有下層 - Google Patents
シリコン含有下層 Download PDFInfo
- Publication number
- JP2018036631A JP2018036631A JP2017158955A JP2017158955A JP2018036631A JP 2018036631 A JP2018036631 A JP 2018036631A JP 2017158955 A JP2017158955 A JP 2017158955A JP 2017158955 A JP2017158955 A JP 2017158955A JP 2018036631 A JP2018036631 A JP 2018036631A
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- Prior art keywords
- alkyl
- silicon
- independently
- formula
- monomers
- Prior art date
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- 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
- G03F7/16—Coating processes; Apparatus therefor
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
R3SiY3 (3)
SiY1 4 (4)
R5 2SiY2 2 (5a)
R5 3SiY2 (5b)
式中、各Y、Y1及びY2は、独立して、ハロ、C1−10アルコキシ、及び−O−C(O)−R4から選択される加水分解性部分であり、R3は、C1−30ヒドロカルビル部分または置換C1−30ヒドロカルビル部分であり、各R4は、H、OH、C1−10アルキル、及びC1−10アルコキシから選択され、各R5は、独立して、C1−30ヒドロカルビル部分または置換C1−30ヒドロカルビル部分である。各Y、Y1、及びY2は、好ましくは臭素、塩素、C1−4アルコキシ、及び−O−C(O)−C1−4アルキルから選択される。より好ましくは、シリコン含有ポリマーは、重合単位として、上述の式(3)の1つ以上のモノマー及び上述の式(4)の1つ以上のモノマーを含む。本シリコン含有ポリマーは、重合単位として、式(3)の2つ以上のモノマー及び式(4)の1つのモノマーを含むことがより好ましい。代替の好ましい実施形態では、本シリコン含有ポリマーは、重合単位として、式(5a)の1つ以上のモノマー、式(5b)の1つ以上のモノマー、または式(5a)の1つ以上のモノマーと式(5b)の1つ以上のモノマーとの混合物を含む。別の好ましい実施形態では、本シリコン含有ポリマーは、重合単位として、上述の式(3)の1つ以上のモノマー、上述の式(4)の1つ以上のモノマー、及び上述の式(5a)及び/または(5b)の1つ以上のモノマーを含む。本シリコン含有ポリマーが、重合単位として、式(4)の1つ以上のモノマー、または式(5a)の1つ以上のモノマー、または式(5b)の1つ以上のモノマー、より好ましくは、式(4)の1つ以上のモノマーならびに式(5a)及び/または(5b)の1つ以上のモノマーを含むことがさらに好ましい。
Claims (20)
- (a)Si−O結合を含む骨格を含む1つ以上の硬化性シリコン含有ポリマーと、重合単位として、酸性プロトンを有し、かつ−5〜13の水中pKaを有する1つ以上のエチレン性不飽和モノマーを含む1つ以上の有機ブレンドポリマーと、1つ以上の有機溶媒とを含むコーティング組成物で基板をコーティングして、前記基板上に硬化性シリコン含有ポリマー層を形成することと、(b)前記シリコン含有ポリマー層を硬化させて、シロキサン下層を形成することと、(c)フォトレジスト層を前記シロキサン下層上に配置することと、(d)前記フォトレジスト層をパターン的に曝露して、潜像を形成することと、(e)前記潜像を現像して、レリーフ像を内部に有するパターン化されたフォトレジスト層を形成することと、(f)前記レリーフ像を前記基板に転写することと、(g)湿式剥離によって前記シロキサン下層を除去することと、を含む、方法。
- 前記有機ブレンドポリマーが、重合単位として、2つ以上のエチレン性不飽和モノマーを含む、請求項1に記載の方法。
- 前記有機ブレンドポリマーが、重合単位として、式の1つ以上のモノマーを含み、
式中、Zは、1〜30個の炭素原子及び−5〜13の水中pKaを有する酸性プロトンを有する有機残基であり、R20は、H、C1−10アルキル、C1−10ハロアルキル、ハロ、C(=O)R24、及びZから選択され、R21及びR22は各々、独立して、H、C1−4アルキル、C1−4ハロアルキル、ハロ、CN、及びZから選択され、R24は、独立して、OR25及びN(R26)2から選択され、R25は、H、及びC1−20アルキルから選択され、各R26は、独立して、H、C1−20アルキル、及びC6−20アリールから選択され、Z及びR20は一緒になって、5〜7員不飽和環を形成する、請求項2に記載の方法。 - 前記有機ブレンドポリマーが、重合単位として、式(2)の1つ以上のモノマーをさらに含み、
式中、ADGは、酸分解性基であり、R1は、独立して、H、C1−4アルキル、C1−4ハロアルキル、ハロ、及びCNから選択される、請求項1に記載の方法。 - 前記有機ブレンドポリマーは、重合単位として、式(2a)の1つ以上のモノマーをさらに含み、
式中、R5は、第3級炭素を介して酸素に結合するC4−30有機残基またはアセタール官能基を含むC4−30有機残基から選択され、R1は、独立して、H、C1−4アルキル、C1−4ハロアルキル、ハロ、及びCNから選択される、請求項1に記載の方法。 - 前記有機ブレンドポリマーが、重合単位として、式(9)の1つ以上のモノマーをさらに含み、
式中、R1は、独立して、H、C1−4アルキル、C1−4ハロアルキル、ハロ、及びCNから選択され、R2は、ラクトン部分を有する一価の有機残基である、請求項1に記載の方法。 - R2の前記ラクトン部分が、5〜7員環または置換5〜7員環である、請求項6に記載の方法。
- 前記コーティング組成物が、1つ以上の硬化触媒をさらに含む、請求項1に記載の方法。
- 前記1つ以上のシリコン含有ポリマーが、重合単位として、式(3)、(4)、(5a)、及び(5b)から選択される1つ以上のモノマーを含み、
R3SiY3 (3)
SiY1 4 (4)
R5 2SiY2 2 (5a)
R5 3SiY2 (5b)
式中、各Y、Y1、及びY2は、独立して、ハロ、C1−10アルコキシ、及び−O−C(O)−R4から選択される加水分解性部分であり、R3は、C1−30ヒドロカルビル部分または置換C1−30ヒドロカルビル部分であり、各R4は、H、OH、C1−10アルキル、及びC1−10アルコキシから選択され、各R5は、独立して、C1−30ヒドロカルビル部分または置換C1−30ヒドロカルビル部分である、請求項1に記載の方法。 - 前記1つ以上のシリコン含有ポリマーが、重合単位として、式(6)の1つ以上の単位と、任意に式(7)の1つ以上の単位と、を含み、
式中、各R6は、独立して、C1−30ヒドロカルビル部分または置換C1−30ヒドロカルビル部分から選択され、各R7は、独立して、C1−30ヒドロカルビル部分、置換C1−30ヒドロカルビル部分、及びOR8から選択され、各R8は、H、Si(R9)xO(R10)y、C1−30ヒドロカルビル部分、及び置換C1−30ヒドロカルビル部分から選択され、各R9は、独立して、C1−30ヒドロカルビル部分または置換C1−30ヒドロカルビル部分であり、各R10は、独立して、H、C1−10アルキルまたは−C(O)−C1−10アルキルであり、各R11は、独立して、H、C1−10アルキル、及び−C(O)−C1−10アルキルから選択され、nは、前記ポリマーにおける式(6)の反復単位の数を指し、1〜100の整数であり、mは、前記ポリマーにおける式(7)の反復単位の数を指し、0〜50の整数であり、xは、0〜3であり、Yは、0〜3であり、x+yは、3である、請求項9に記載の方法。 - ステップ(a)の前に、高炭素含有量有機コーティング層を前記基板上にコーティングすることをさらに含む、請求項1に記載の方法。
- 前記湿式剥離ステップが、前記シロキサン下層を硫酸と過酸化水素との混合物またはアンモニアと過酸化水素との混合物と接触させることを含む、請求項1に記載の方法。
- Si−O結合を含む骨格を含む1つ以上の硬化性シリコン含有ポリマーと、重合単位として、酸性プロトンを有し、かつ−5〜8の水中pKaを有する1つ以上のエチレン性不飽和モノマーを含む1つ以上の有機ブレンドポリマーと、を含む、組成物。
- 1つ以上の有機溶媒をさらに含む、請求項13に記載の組成物。
- 前記有機ブレンドポリマーが、重合単位として、式(9)の1つ以上のモノマーをさらに含み、
式中、R1は、独立して、H、C1−4アルキル、C1−4ハロアルキル、ハロ、及びCNから選択され、R2は、ラクトン部分を有する一価の有機残基である、請求項13に記載の組成物。 - R2の前記ラクトン部分が、5〜7員環または置換5〜7員環である、請求項15に記載の組成物。
- 前記有機ブレンドポリマーが、重合単位として、式(2)の1つ以上のモノマーをさらに含み、
式中、ADGは、酸分解性基であり、R1は、独立して、H、C1−4アルキル、C1−4ハロアルキル、ハロ、及びCNから選択される、請求項13に記載の組成物。 - 前記有機ブレンドポリマーが、重合単位として、式(2a)の1つ以上のモノマーをさらに含み、
式中、R5は、第3級炭素を介して酸素に結合するC4−30有機残基またはアセタール官能基を含むC4−30有機残基から選択され、R1は、独立して、H、C1−4アルキル、C1−4ハロアルキル、ハロ、及びCNから選択される、請求項13に記載の組成物。 - 前記1つ以上のシリコン含有ポリマーが、重合単位として、式(3)、(4)、(5a)、及び(5b)から選択される1つ以上のモノマーを含み、
R3SiY3 (3)
SiY1 4 (4)
R5 2SiY2 2 (5a)
R5 3SiY2 (5b)
式中、各Y、Y1、及びY2は、独立して、ハロ、C1−10アルコキシ、及び−O−C(O)−R4から選択される加水分解性部分であり、R3は、C1−30ヒドロカルビル部分または置換C1−30ヒドロカルビル部分であり、各R4は、H、OH、C1−10アルキル、及びC1−10アルコキシから選択され、各R5は、独立して、C1−30ヒドロカルビル部分または置換C1−30ヒドロカルビル部分である、請求項13に記載の組成物。 - 前記1つ以上のシリコン含有ポリマーが、重合単位として、式(6)の1つ以上の単位と、任意に式(7)の1つ以上の単位と、を含み、
式中、各R7は、独立して、C1−30ヒドロカルビル部分、置換C1−30ヒドロカルビル部分、及びOR8から選択され、各R8は、H、Si(R9)xO(R10)y、C1−30ヒドロカルビル部分、及び置換C1−30ヒドロカルビル部分から選択され、各R9は、独立して、C1−30ヒドロカルビル部分または置換C1−30ヒドロカルビル部分であり、各R10は、独立して、H、C1−10アルキルまたは−C(O)−C1−10アルキルであり、各R11は、独立して、H、C1−10アルキル、及び−C(O)−C1−10アルキルから選択され、nは、前記ポリマーにおける式(6)の反復単位の数を指し、1〜100の整数であり、mは、前記ポリマーにおける式(7)の反復単位の数を指し、0〜50の整数であり、xは、0〜3であり、Yは、0〜3であり、x+yは、3である、請求項19に記載の組成物。
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| JPWO2023074777A1 (ja) * | 2021-10-28 | 2023-05-04 | ||
| WO2023074777A1 (ja) * | 2021-10-28 | 2023-05-04 | 日産化学株式会社 | 添加剤含有シリコン含有レジスト下層膜形成組成物 |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20180025828A (ko) | 2018-03-09 |
| JP2019073729A (ja) | 2019-05-16 |
| TW201819430A (zh) | 2018-06-01 |
| US20180253006A1 (en) | 2018-09-06 |
| KR101916096B1 (ko) | 2018-11-07 |
| JP6525384B2 (ja) | 2019-06-05 |
| CN107797386A (zh) | 2018-03-13 |
| TWI663176B (zh) | 2019-06-21 |
| US10007184B2 (en) | 2018-06-26 |
| US20180059546A1 (en) | 2018-03-01 |
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