JP6535374B2 - 光酸発生化合物及び関連ポリマー、フォトレジスト組成物、ならびにフォトレジストレリーフ像の形成方法 - Google Patents
光酸発生化合物及び関連ポリマー、フォトレジスト組成物、ならびにフォトレジストレリーフ像の形成方法 Download PDFInfo
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- 0 C*C(C(OC1(C)C=CC([S+](C(*)=C2*)c3c2c(cccc2)c2cc3)=CC=C1)=O)=C Chemical compound C*C(C(OC1(C)C=CC([S+](C(*)=C2*)c3c2c(cccc2)c2cc3)=CC=C1)=O)=C 0.000 description 3
- BGCHPQCPVKNZAQ-UHFFFAOYSA-N CCc(cc1)ccc1S1c2ccc(cccc3)c3c2C(C)=C1C Chemical compound CCc(cc1)ccc1S1c2ccc(cccc3)c3c2C(C)=C1C BGCHPQCPVKNZAQ-UHFFFAOYSA-N 0.000 description 1
- IMEBVNIJXHLFQG-UHFFFAOYSA-N Cc1c(C)[s]c2c1c(cccc1)c1cc2 Chemical compound Cc1c(C)[s]c2c1c(cccc1)c1cc2 IMEBVNIJXHLFQG-UHFFFAOYSA-N 0.000 description 1
- JGTNAGYHADQMCM-UHFFFAOYSA-N OS(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(=O)=O Chemical compound OS(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(=O)=O JGTNAGYHADQMCM-UHFFFAOYSA-N 0.000 description 1
- RFCQDOVPMUSZMN-UHFFFAOYSA-N Sc1ccc(cccc2)c2c1 Chemical compound Sc1ccc(cccc2)c2c1 RFCQDOVPMUSZMN-UHFFFAOYSA-N 0.000 description 1
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Description
CF3SO3 −、CF3CF2SO3 −、CF3(CF2)2SO3 −、CF3(CF2)3SO3 −、CF3(CF2)4SO3 −、
Claims (10)
- 以下の構造を有する、光酸発生化合物。
mは、0、1、2、3、4、5、または6であり、
nは、0、1、2、3、4、または5であり、
R1及びR2は、それぞれ独立して、水素、ハロゲン、ヒドロキシル、カルボキシル(−CO2H)、非置換もしくは置換C1−12アルキル、形態−C(O)C(R11)=CH2(式中、R11は、水素、フルオロ、シアノ、C1−9アルキル、またはC1−9フルオロアルキルである)のアクリロイル基を含むC1−12アルキルから選択された重合性基、非置換もしくは置換C1−12アルコキシル、非置換もしくは置換C2−12アルカノイル、非置換もしくは置換C2−12アルカノイルオキシ、非置換もしくは置換C2−12アルコキシカルボニル、非置換もしくは置換C3−12無水物、非置換もしくは置換C4−12ラクトン、非置換もしくは置換C4−18アセタール、非置換もしくは置換C5−18ケタール、非置換もしくは置換C6−12アリールであるが、ただし、R1及びR2は結合してシクロアリール基、3−ビニルフェニル、または4−ビニルフェニルを形成しないことを条件とし、
X及びYは、独立して、それぞれの出現で、ハロゲン、ヒドロキシル、アミノ、チオール、カルボキシル、アミド、シアノ、ニトロ、非置換もしくは置換C1−18アルキル、3−ビニルフェニル、4−ビニルフェニル、及び形態−C(O)C(R11)=CH2(式中、R11は、水素、フルオロ、シアノ、C1−9アルキル、またはC1−9フルオロアルキルである)のアクリロイル基を含むC1−18アルキルから選択された重合性基、非置換もしくは置換C1−18アルコキシル、非置換もしくは置換C6−18アリール、非置換もしくは置換C6−18アリールオキシル、非置換もしくは置換C7−18アルキルアリール、非置換もしくは置換C7−18アルキルアリールオキシル、非置換もしくは置換C2−12アルコキシカルボニル、非置換もしくは置換C4−18アセタール、または非置換もしくは置換C5−18ケタールであり、
Z−は、スルホネート基、スルホンアミダート基、スルホンイミダート基、メチド基、またはボレート基を含む陰イオンであり、ここで、Z−は、任意選択で、ビニル、及び形態−C(O)C(R11)=CH2(式中、R11は、水素、フルオロ、シアノ、C1−9アルキル、またはC1−9フルオロアルキルである)のアクリロイル基から選択された重合性基を含むが、
ただし、前記光酸発生化合物が最大でも1つの重合性基を含むことを条件とし、
前記「非置換もしくは置換」の「置換」は、ハロゲン(F、Cl、Br、またはI)、ヒドロキシル、アミノ、チオール、カルボキシル、カルボキシレート、アミド、シアノ、スルフィド、ジスルフィド、ニトロ、C1−18アルキル、C1−18アルコキシル、C6−18アリール、C6−18アリールオキシル、C7−18アルキルアリール、及びC7−18アルキルアリールオキシルからなる群から選択される少なくとも1つの置換基を含むことを意味する) - R1及びR2が、それぞれ独立して、水素、C1−12アルキル、またはC2−12アルコキシカルボニルである、請求項1に記載の光酸発生化合物。
- nが、1、2、または3であり、Xが、独立して、それぞれの出現で、C1−18アルキルまたはC2−12アルコキシカルボニルである、請求項1または2に記載の光酸発生化合物。
- mが、0である、請求項1〜3のいずれか1項に記載の光酸発生化合物。
- 以下の構造を有する、光酸発生化合物。
qは、0、1、または2であり、
R1a及びR2aは、それぞれ独立して、C1−12アルキルであり、
R5、R6、及びR7は、それぞれ独立して、非置換もしくは置換C1−14ヒドロカルビルであり、ここで、R5、R6、及びR7のうちの2つは結合して環状構造を形成することができ、かつR5、R6、及びR7の炭素原子の総数は16を超えず、
X1は、独立して、それぞれの出現で、C1−12アルキル、またはC2−12アルコキシカルボニルであり、
Z−は、スルホネート基、スルホンアミダート基、スルホンイミダート基、メチド基、またはボレート基を含む陰イオンであり、
前記「非置換もしくは置換」の「置換」は、ハロゲン(F、Cl、Br、またはI)、ヒドロキシル、アミノ、チオール、カルボキシル、カルボキシレート、アミド、シアノ、スルフィド、ジスルフィド、ニトロ、C1−18アルキル、C1−18アルコキシル、C6−18アリール、C6−18アリールオキシル、C7−18アルキルアリール、及びC7−18アルキルアリールオキシルからなる群から選択される少なくとも1つの置換基を含むことを意味する) - R1もしくはR2またはZ−のうちの1つ、またはXの1回の出現、またはYの1回の出現は、重合性基であるが、だたし、Xの1回の出現が重合性基である場合、nは、1、2、または3であり、Yの1回の出現が重合性基である場合、mは、1、2、または3であることを条件とする、請求項1に記載の光酸発生化合物。
- 請求項5または7に記載の光酸発生化合物由来の繰り返し単位を含むポリマー。
- フォトレジスト組成物であって、請求項1〜6のいずれか1項に記載の光酸発生化合物、請求項8に記載のポリマー、またはこれらの組み合わせを含む、前記フォトレジスト組成物。
- フォトレジストレリーフ像を形成する方法であって、
(a)請求項9に記載のフォトレジスト組成物の層を基板上に塗布して、フォトレジスト層を形成することと、
(b)前記フォトレジスト層をパターンに従って活性化放射線に露光して、露光されたフォトレジスト層を形成することと、
(c)前記露光されたフォトレジスト層を現像して、フォトレジストレリーフ像を提供することと、を含む、方法。
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US15/281,292 US10088749B2 (en) | 2016-09-30 | 2016-09-30 | Photoacid-generating compound and associated polymer, photoresist composition, and method of forming a photoresist relief image |
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GB1090142A (en) | 1965-02-26 | 1967-11-08 | Agfa Gevaert Nv | Photochemical insolubilisation of polymers |
US3479185A (en) | 1965-06-03 | 1969-11-18 | Du Pont | Photopolymerizable compositions and layers containing 2,4,5-triphenylimidazoyl dimers |
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