JP2023171299A - 化合物及びそれを含むフォトレジスト組成物 - Google Patents
化合物及びそれを含むフォトレジスト組成物 Download PDFInfo
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- 229920002120 photoresistant polymer Polymers 0.000 title claims abstract description 140
- 239000000203 mixture Substances 0.000 title claims abstract description 114
- 150000001875 compounds Chemical class 0.000 title claims abstract description 45
- 229920000642 polymer Polymers 0.000 claims abstract description 84
- 125000000962 organic group Chemical group 0.000 claims abstract description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 82
- 125000003118 aryl group Chemical group 0.000 claims description 61
- 125000005647 linker group Chemical group 0.000 claims description 49
- 229910052739 hydrogen Inorganic materials 0.000 claims description 47
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- 239000000758 substrate Substances 0.000 claims description 38
- 125000001072 heteroaryl group Chemical group 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 31
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- 239000002253 acid Substances 0.000 claims description 19
- 230000005855 radiation Effects 0.000 claims description 17
- 229910052736 halogen Inorganic materials 0.000 claims description 15
- 125000003545 alkoxy group Chemical group 0.000 claims description 14
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 14
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 13
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- 125000002877 alkyl aryl group Chemical group 0.000 claims description 11
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- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 5
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- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 5
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- 238000010438 heat treatment Methods 0.000 description 5
- 125000004404 heteroalkyl group Chemical group 0.000 description 5
- 238000001459 lithography Methods 0.000 description 5
- 125000002950 monocyclic group Chemical group 0.000 description 5
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- 125000003358 C2-C20 alkenyl group Chemical group 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
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- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 4
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- 150000002148 esters Chemical class 0.000 description 4
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 4
- 125000004366 heterocycloalkenyl group Chemical group 0.000 description 4
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- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 3
- 125000006648 (C1-C8) haloalkyl group Chemical group 0.000 description 3
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- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 2
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- DLDWUFCUUXXYTB-UHFFFAOYSA-N (2-oxo-1,2-diphenylethyl) 4-methylbenzenesulfonate Chemical class C1=CC(C)=CC=C1S(=O)(=O)OC(C=1C=CC=CC=1)C(=O)C1=CC=CC=C1 DLDWUFCUUXXYTB-UHFFFAOYSA-N 0.000 description 1
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- 125000004739 (C1-C6) alkylsulfonyl group Chemical group 0.000 description 1
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- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 150000003216 pyrazines Chemical class 0.000 description 1
- 150000003217 pyrazoles Chemical class 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 125000005420 sulfonamido group Chemical group S(=O)(=O)(N*)* 0.000 description 1
- 150000003459 sulfonic acid esters Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- COBURCRUNDBUGQ-UHFFFAOYSA-N tert-butyl 2-ethylimidazole-1-carboxylate Chemical compound CCC1=NC=CN1C(=O)OC(C)(C)C COBURCRUNDBUGQ-UHFFFAOYSA-N 0.000 description 1
- PWQLFIKTGRINFF-UHFFFAOYSA-N tert-butyl 4-hydroxypiperidine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCC(O)CC1 PWQLFIKTGRINFF-UHFFFAOYSA-N 0.000 description 1
- LPQZERIRKRYGGM-UHFFFAOYSA-N tert-butyl pyrrolidine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCCC1 LPQZERIRKRYGGM-UHFFFAOYSA-N 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- 150000004867 thiadiazoles Chemical class 0.000 description 1
- 125000005031 thiocyano group Chemical group S(C#N)* 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 description 1
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- TUODWSVQODNTSU-UHFFFAOYSA-M trifluoromethanesulfonate;tris[4-[(2-methylpropan-2-yl)oxy]phenyl]sulfanium Chemical compound [O-]S(=O)(=O)C(F)(F)F.C1=CC(OC(C)(C)C)=CC=C1[S+](C=1C=CC(OC(C)(C)C)=CC=1)C1=CC=C(OC(C)(C)C)C=C1 TUODWSVQODNTSU-UHFFFAOYSA-M 0.000 description 1
- FAYMLNNRGCYLSR-UHFFFAOYSA-M triphenylsulfonium triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F.C1=CC=CC=C1[S+](C=1C=CC=CC=1)C1=CC=CC=C1 FAYMLNNRGCYLSR-UHFFFAOYSA-M 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003953 γ-lactams Chemical class 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G03F7/0045—Photosensitive materials with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C317/00—Sulfones; Sulfoxides
- C07C317/16—Sulfones; Sulfoxides having sulfone or sulfoxide groups and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C317/22—Sulfones; Sulfoxides having sulfone or sulfoxide groups and singly-bound oxygen atoms bound to the same carbon skeleton with sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/78—Benzoic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/84—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring
- C07C69/92—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring with etherified hydroxyl groups
-
- 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
-
- 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
- G03F7/20—Exposure; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
- C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated
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- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Materials For Photolithography (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
【解決手段】 式(1):
【化1】
(式中、Xは、r価の基であり、各R1は、独立して、酸不安定基を含む有機基であり、mは、1以上の整数であり、kは、1~5の整数であり、及びrは、2~10の整数である)
によって表される化合物であって、ポリマーではなく、Ar1、L1、L2、R2及びR3は、本明細書で定義される通りである、化合物。
Description
(式中、Xは、r価の基であり、各L1は、独立して、単結合又は二価の連結基であり、各L2は、単結合又は連結基であり、各Ar1は、独立して、置換若しくは無置換C6~30アリーレン又は置換若しくは無置換C3~30ヘテロアリーレンであり、置換C6~30アリーレン及び置換C3~30ヘテロアリーレンは、それぞれ独立して、ハロゲン、C1~30アルキル、C1~30アルコキシ、C4~30シクロアルキル、C3~30ヘテロシクロアルキル、C2~30アルケニル、C2~30アルキニル、C6~30アリール、C7~30アリールアルキル、C7~30アルキルアリール、C6~30アリールオキシ、C3~30ヘテロアリール、C4~30アルキルヘテロアリール、C4~30ヘテロアリールアルキル又はC3~30ヘテロアリールオキシの少なくとも1つで置換されており、各R1は、独立して、酸不安定基を含む有機基であり、R2及びR3は、それぞれ独立して、水素又は置換若しくは無置換C1~30アルキルであり、R2及びR3は、任意選択的に、単結合又は二価連結基を介して一緒に環を形成し、この環は、置換されているか又は無置換であり、mは、1以上の整数であり、kは、1~5の整数であり、及びrは、2~10の整数である)
によって表される化合物であって、ポリマーではない化合物が提供される。
式中、Rdは、式(11)において式Raに関して本明細書で定義された通りであり、R’及びR’’は、それぞれ独立して、置換若しくは無置換C1~20アルキル、置換若しくは無置換C3~20シクロアルキル、置換若しくは無置換C3~20ヘテロシクロアルキル、置換若しくは無置換C2~20アルケニル、置換若しくは無置換C3~20シクロアルケニル、置換若しくは無置換C3~20ヘテロシクロアルケニル、置換若しくは無置換C6~20アリール又は置換若しくは無置換C3~20ヘテロアリールである。
式中、Rdは、Raに関して上で定義された通りである。
(式中、Rdは、Raに関して上で定義された通りである)
の1つ以上を有する1種以上のモノマーに由来する酸不安定な繰り返し単位を有し得る。
式中、Rfは、水素、フッ素、シアノ又は置換若しくは無置換C1~10アルキルである。
式中、Rfは、式(15)に関して定義した通りである。
式中、各Rgは、水素、フッ素、シアノ又は置換若しくは無置換C1~10アルキルであり得る。好ましくは、Rgは、水素、フッ素又は置換若しくは無置換C1~5アルキル、典型的にはメチルであり得る。
式中、Y1は、上述した通りであり、Riは、式(16)~(18)においてRgについて定義した通りである。
式中、各Rpは、本明細書でRaについて定義した通りであり、典型的にはメチルであり、a、b及びcは、ポリマーのそれぞれの繰り返し単位のモル分率を表す。
式中、Rmは、水素、フッ素、シアノ又は置換若しくは無置換C1~10アルキルであり得る。好ましくは、Rmは、水素、フッ素又は置換若しくは無置換C1~5アルキル、典型的にはメチルである。
式中、G+は、本明細書で定義された有機カチオンである。
式中、Xeは、C2アルケニル及び(メタ)アクリルから選択される重合性基であり、L9は、二価連結基であり、Rnは、置換若しくは無置換C1~20フルオロアルキルであるが、式(22)中のカルボニル(-C(O)-)に結合している炭素原子が少なくとも1つのフッ素原子で置換されていることを条件とする。例示的な式(22)のモノマーには、以下の1つ以上が含まれ得る。
式中、Xf及びRpは、それぞれ式(23)でXe及びRnについて定義した通りであり、L10は、置換若しくは無置換C1~20アルキレン、置換若しくは無置換C3~20シクロアルキレン、-C(O)-又は-C(O)O-の1つ以上を含む多価連結基であり、n10は、2以上の整数、例えば2又は3であり得る。例示的な式(23)のモノマーには、以下の1つ以上のものが含まれる。
式中、Xg及びRqは、式(24)でそれぞれXe及びRnについて定義した通りであり、L11は、二価連結基であり、L12は、置換若しくは無置換C1~20フルオロアルキレンであり、式(24)中のカルボニル(-C(O)-)に結合している炭素原子は、少なくとも1個のフッ素原子で置換されている。例示的な式(24)のモノマーには、以下の1つ以上のものが含まれる。
MD1で表されるモノマーの合成スキームをスキーム1に示す。
スキーム1
MD2で表されるモノマーの合成スキームをスキーム2に示す。
スキーム2
MD3で表されるモノマーの合成スキームをスキーム3に示す。
スキーム3
MD4で表されるモノマーの合成スキームをスキーム4に示す。
スキーム4
MD5で表されるモノマーの合成スキームをスキーム5に示す。
スキーム5
C1で表されるモノマーの合成スキームをスキーム6に示す。
スキーム6
ポリマーP1は、45/45/10のモル比でモノマーMA1、MB1及びMC1から調製した。MA1(35.3g、218mmol)、MB1(44.5g、218mmol)及びMC1(24.2g、48mmol)を104gのPGMEAに溶解することにより、モノマー供給溶液を調製した。開始剤溶液は、別途、ジメチル2,2’-アゾビス(2-メチルプロピオネート)(V-65として和光純薬工業株式会社より入手)6.6g(26.6mmol)を19.8gのPGMEA/テトラヒドロフラン(THF)(重量%で1:1)に溶解することによって調製した。
実施例1
フォトレジスト組成物は、表1に示される成分を混ぜ合わせることによって調製した。ここでの量は、非溶媒成分の合計を100重量%とした重量パーセント(重量%)で表される。フォトレジスト組成物の総固形分は、1.55重量%であった。PGMEAとメチル-2-ヒドロキシイソブチレートとの1:1の重量比の溶媒混合物中でフォトレジスト組成物を調製した。
フォトレジスト組成物は、表2に示される成分を混ぜ合わせることによって調製した。ここでの量は、非溶媒成分の合計を100重量%とした重量%で表される。フォトレジスト組成物の総固形分は、1.55重量%であった。PGMEAとメチル-2-ヒドロキシイソブチレートとの1:1の重量比の溶媒混合物中でフォトレジスト組成物を調製した。
Claims (13)
- 式(1):
(式中、
Xは、r価の基であり、
各L1は、独立して、単結合又は二価連結基であり、
各L2は、単結合又は連結基であり、
各Ar1は、独立して、置換若しくは無置換C6~30アリーレン又は置換若しくは無置換C3~30ヘテロアリーレンであり、前記置換C6~30アリーレン及び前記置換C3~30ヘテロアリーレンは、それぞれ独立して、ハロゲン、C1~30アルキル、C1~30アルコキシ、C4~30シクロアルキル、C3~30ヘテロシクロアルキル、C2~30アルケニル、C2~30アルキニル、C6~30アリール、C7~30アリールアルキル、C7~30アルキルアリール、C6~30アリールオキシ、C3~30ヘテロアリール、C4~30アルキルヘテロアリール、C4~30ヘテロアリールアルキル又はC3~30ヘテロアリールオキシの少なくとも1つで置換されており、
各R1は、独立して、酸不安定基を含む有機基であり、
R2及びR3は、それぞれ独立して、水素又は置換若しくは無置換C1~30アルキルであり、
R2及びR3は、任意選択的に、単結合又は二価連結基を介して一緒に環を形成し、前記環は、置換されているか又は無置換であり、
mは、1以上の整数であり、
kは、1~5の整数であり、
rは、2~10の整数である)
によって表される化合物であって、ポリマーではない化合物。 - Xは、式(4)~(9):
(式中、
Ar2、Ar3及びAr5は、それぞれ独立して、置換若しくは無置換C6~30アリーレン又は置換若しくは無置換C3~30ヘテロアリーレンであり、
Ar4は、置換若しくは無置換C6~30アリール又は置換若しくは無置換C3~30ヘテロアリールであり、
R10及びR11は、それぞれ独立して、水素、置換若しくは無置換C1~30アルキル、置換若しくは無置換C3~30シクロアルキル、置換若しくは無置換C1~30ヘテロシクロアルキル、置換若しくは無置換C6~30アリール、置換若しくは無置換C7~30アリールアルキル、置換若しくは無置換C7~30アルキルアリール、置換若しくは無置換C6~30アリールオキシ、置換若しくは無置換C3~30ヘテロアリール、置換若しくは無置換C4~30アルキルヘテロアリール、置換若しくは無置換C4~30ヘテロアリールアルキル又は置換若しくは無置換C3~30ヘテロアリールオキシであり、及び
*、*’及び*’’は、それぞれの隣接する酸素原子への連結点を示す)
の1つによって表される、請求項1に記載の化合物。 - R1は、エステル基を含む、請求項1に記載の化合物。
- R1は、アセタール基又はケタール基を含む、請求項1に記載の化合物。
- 1つ以上のヨウ素原子を含む、請求項1に記載の化合物。
- 前記整数rによって表される各サブユニットは、同じである、請求項1~5のいずれか一項に記載の化合物。
- 請求項1~6のいずれか一項に記載の化合物と、
溶媒と
を含むフォトレジスト組成物。 - ポリマーを更に含む、請求項7に記載のフォトレジスト組成物。
- 前記ポリマーは、酸感受性である、請求項8に記載のフォトレジスト組成物。
- 光酸発生剤を更に含む、請求項7~9のいずれか一項に記載のフォトレジスト組成物。
- コーティングされた基板であって、
(a)基板であって、その表面上において、パターン形成される1つ以上の層を有する基板と、
(b)前記パターン形成される1つ以上の層の上に配置される、請求項7~10のいずれか一項に記載のフォトレジスト組成物から形成された層と
を含む、コーティングされた基板。 - パターンを形成する方法であって、
請求項1~6のいずれか一項に記載の化合物の層を基板上に塗布して、フォトレジスト層を提供すること、
前記フォトレジスト層を活性化放射にパターン様に露光して、露光されたフォトレジスト層を提供すること、及び
前記露光されたフォトレジスト層を現像して、フォトレジストパターンを提供すること
を含む方法。 - パターンを形成する方法であって、
請求項7~10のいずれか一項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、フォトレジスト組成物層を提供すること、
前記フォトレジスト組成物層を活性化放射にパターン様に露光して、露光されたフォトレジスト組成物層を提供すること、及び
前記露光されたフォトレジスト組成物層を現像して、フォトレジストパターンを提供すること
を含む方法。
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US17/749,880 | 2022-05-20 | ||
US17/749,880 US20240019779A1 (en) | 2022-05-20 | 2022-05-20 | Compounds and photoresist compositions including the same |
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JP2023171299A true JP2023171299A (ja) | 2023-12-01 |
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ID=88768838
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Country | Link |
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US (1) | US20240019779A1 (ja) |
JP (1) | JP2023171299A (ja) |
KR (1) | KR20230162552A (ja) |
CN (1) | CN117088795A (ja) |
TW (1) | TW202346253A (ja) |
-
2022
- 2022-05-20 US US17/749,880 patent/US20240019779A1/en active Pending
-
2023
- 2023-05-12 JP JP2023079328A patent/JP2023171299A/ja active Pending
- 2023-05-17 TW TW112118273A patent/TW202346253A/zh unknown
- 2023-05-18 KR KR1020230064261A patent/KR20230162552A/ko unknown
- 2023-05-18 CN CN202310561110.4A patent/CN117088795A/zh active Pending
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KR20230162552A (ko) | 2023-11-28 |
CN117088795A (zh) | 2023-11-21 |
TW202346253A (zh) | 2023-12-01 |
US20240019779A1 (en) | 2024-01-18 |
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