JP5243220B2 - 酸感応性化合物及びフォトレジスト用樹脂組成物 - Google Patents
酸感応性化合物及びフォトレジスト用樹脂組成物 Download PDFInfo
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- JP5243220B2 JP5243220B2 JP2008320062A JP2008320062A JP5243220B2 JP 5243220 B2 JP5243220 B2 JP 5243220B2 JP 2008320062 A JP2008320062 A JP 2008320062A JP 2008320062 A JP2008320062 A JP 2008320062A JP 5243220 B2 JP5243220 B2 JP 5243220B2
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
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- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical class OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000006678 phenoxycarbonyl group Chemical group 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 229930006728 pinane Natural products 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 description 1
- USYCSHPNZNNCCU-UHFFFAOYSA-N prop-1-en-2-yl prop-2-enoate Chemical compound CC(=C)OC(=O)C=C USYCSHPNZNNCCU-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- TURAMGVWNUTQKH-UHFFFAOYSA-N propa-1,2-dien-1-one Chemical group C=C=C=O TURAMGVWNUTQKH-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 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
- 230000005855 radiation Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- JQLGDKNRLRPNIH-UHFFFAOYSA-K samarium(3+);2,2,2-trichloroacetate Chemical compound [Sm+3].[O-]C(=O)C(Cl)(Cl)Cl.[O-]C(=O)C(Cl)(Cl)Cl.[O-]C(=O)C(Cl)(Cl)Cl JQLGDKNRLRPNIH-UHFFFAOYSA-K 0.000 description 1
- KUXKASXVQIAHJE-UHFFFAOYSA-K samarium(3+);2,2,2-trifluoroacetate Chemical compound [Sm+3].[O-]C(=O)C(F)(F)F.[O-]C(=O)C(F)(F)F.[O-]C(=O)C(F)(F)F KUXKASXVQIAHJE-UHFFFAOYSA-K 0.000 description 1
- BJRVEOKYZKROCC-UHFFFAOYSA-K samarium(3+);phosphate Chemical compound [Sm+3].[O-]P([O-])([O-])=O BJRVEOKYZKROCC-UHFFFAOYSA-K 0.000 description 1
- JPDBEEUPLFWHAJ-UHFFFAOYSA-K samarium(3+);triacetate Chemical compound [Sm+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JPDBEEUPLFWHAJ-UHFFFAOYSA-K 0.000 description 1
- QCZFMLDHLOYOQJ-UHFFFAOYSA-H samarium(3+);tricarbonate Chemical compound [Sm+3].[Sm+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O QCZFMLDHLOYOQJ-UHFFFAOYSA-H 0.000 description 1
- BCYBEIXXOVNETJ-UHFFFAOYSA-K samarium(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[Sm+3] BCYBEIXXOVNETJ-UHFFFAOYSA-K 0.000 description 1
- YZDZYSPAJSPJQJ-UHFFFAOYSA-N samarium(3+);trinitrate Chemical compound [Sm+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YZDZYSPAJSPJQJ-UHFFFAOYSA-N 0.000 description 1
- LVSITDBROURTQX-UHFFFAOYSA-H samarium(3+);trisulfate Chemical compound [Sm+3].[Sm+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O LVSITDBROURTQX-UHFFFAOYSA-H 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 description 1
- 229910000367 silver sulfate Inorganic materials 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- PHICBFWUYUCFKS-UHFFFAOYSA-N spiro[4.4]nonane Chemical compound C1CCCC21CCCC2 PHICBFWUYUCFKS-UHFFFAOYSA-N 0.000 description 1
- DSIGHSFWYLVBJF-UHFFFAOYSA-N spiro[4.5]decan-8-one Chemical compound C1CC(=O)CCC11CCCC1 DSIGHSFWYLVBJF-UHFFFAOYSA-N 0.000 description 1
- NOHIIJZANZJPGI-UHFFFAOYSA-N spiro[4.5]decane-8-carboxylic acid Chemical compound C1CC(C(=O)O)CCC11CCCC1 NOHIIJZANZJPGI-UHFFFAOYSA-N 0.000 description 1
- NECLQTPQJZSWOE-UHFFFAOYSA-N spiro[5.5]undecane Chemical group C1CCCCC21CCCCC2 NECLQTPQJZSWOE-UHFFFAOYSA-N 0.000 description 1
- CTDQAGUNKPRERK-UHFFFAOYSA-N spirodecane Chemical compound C1CCCC21CCCCC2 CTDQAGUNKPRERK-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003459 sulfonic acid esters Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- LPSXSORODABQKT-UHFFFAOYSA-N tetrahydrodicyclopentadiene Chemical compound C1C2CCC1C1C2CCC1 LPSXSORODABQKT-UHFFFAOYSA-N 0.000 description 1
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N thiocyanic acid Chemical class SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- XQKBFQXWZCFNFF-UHFFFAOYSA-K triiodosamarium Chemical compound I[Sm](I)I XQKBFQXWZCFNFF-UHFFFAOYSA-K 0.000 description 1
- 239000012953 triphenylsulfonium Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 125000002348 vinylic group Chemical group 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
- C07C69/54—Acrylic acid esters; Methacrylic acid esters
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/04—Ortho-condensed systems
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/281—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing only one oxygen, e.g. furfuryl (meth)acrylate or 2-methoxyethyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
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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
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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
- G03F7/004—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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- 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
- G03F7/039—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
- G03F7/0395—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 a backbone with alicyclic moieties
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- G—PHYSICS
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- 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
- G03F7/039—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
- 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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- 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
- G03F7/075—Silicon-containing compounds
- G03F7/0757—Macromolecular compounds containing Si-O, Si-C or Si-N bonds
- G03F7/0758—Macromolecular compounds containing Si-O, Si-C or Si-N bonds with silicon- containing groups in the side chains
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- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/14—All rings being cycloaliphatic
- C07C2602/26—All rings being cycloaliphatic the ring system containing ten carbon atoms
- C07C2602/28—Hydrogenated naphthalenes
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- C07C2603/58—Ring systems containing bridged rings containing three rings
- C07C2603/60—Ring systems containing bridged rings containing three rings containing at least one ring with less than six members
- C07C2603/66—Ring systems containing bridged rings containing three rings containing at least one ring with less than six members containing five-membered rings
- C07C2603/68—Dicyclopentadienes; Hydrogenated dicyclopentadienes
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- C07C2603/58—Ring systems containing bridged rings containing three rings
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- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials For Photolithography (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Description
この酸感応性化合物において、環Zはアダマンタン環である。R1及びR2がC1−4アルキル基であり、R4が水素原子であってもよい。R1が直鎖状又は分枝鎖状C1−4アルキル基、R2が水素原子、直鎖状又は分枝鎖状C1−4アルキル基であってもよい。前記式(1)で表される化合物において、R2が水素原子であり、R1が、直鎖状又は分枝鎖状C1−4アルキル基であってもよい。少なくとも1つのR4は、ハロゲン原子、アルキル基、酸素含有基、アミノ基又はN−置換アミノ基であってもよい。
本発明の重合体は、前記式(1)又は(2)で表される酸感応性化合物の単位を含む重合体であって、前記式(1)又は(2)で表される酸感応性化合物の単独又は共重合体、もしくは前記式(1)又は(2)で表される酸感応性化合物と共重合性単量体との共重合体である。
この重合体において、環Zは、2〜4の環を含む架橋環式炭化水素環(例えば、アダマンタン環など)であってもよい。
(iii)前記式(1)(2)(1a)(2a)(11)(12)において、R1が1−メチル−C1−4アルキル基である化合物
このような酸感応性化合物には、下記式で表される(メタ)アクリル酸エステルが含まれる。
なお、前記式(1)(2)(1a)(2a)(11)(12)において、環Zが置換基を有しない場合、R1は第3炭素原子を有する分岐鎖状アルキル基である。
ハロゲン原子には、塩素原子,臭素原子,ヨウ素原子などが含まれ、アルコキシ基には、C1−10アルコキシ基(例えば、メトキシ,エトキシ,t−ブトキシ基など)が含まれる。アルケニルオキシ基には、C2−10アルケニルオキシ基(ビニルオキシ、アリルオキシ、1−プロペニルオキシ、イソプロペニルオキシ、1−ブテニルオキシ、2−ブテニルオキシ、3−ブテニルオキシ、2−ペンテニルオキシ基など)などが含まれ、アルキニルオキシ基には、C2−10アルキニルオキシ基(エチニルオキシ、プロピニルオキシ基など)などが含まれる。
本発明のフォトレジスト用樹脂組成物の特色は、少なくとも前記式(11)又は(12)で表される単位(アダマンタン骨格を有する単位など)を有する重合体と、光酸発生剤とを組合わせ、光照射により前記重合体を可溶化する点にある。すなわち、バルキーで疎水性の高い環Zにエステル結合が隣接しており、光照射により生成した酸により、エステル結合が安定かつ効率よく脱離するためか、感度が高く、しかも高い耐エッチング性などを維持しつつ微細なレジストパターンを高い精度で安定に形成できる。
で表される(メタ)アクリル系単量体、この単量体に対応するアリル単量体などが例示できる。
酸感応性化合物(1)(2) や重合体の単位(11)(12)は、前記のように置換基R4を有している。置換基R4は、前記反応工程のうち適当な工程又は反応終了後に導入できる。例えば、ヒドロキシル基は、慣用の酸化方法、例えば、硝酸やクロム酸を用いる酸化方法、触媒としてコバルト塩を用いる酸素酸化方法、生化学的酸化方法などにより得ることができ、ハロゲン原子(例えば、臭素原子など)を導入し、硝酸銀や硫酸銀などの無機塩を用いて加水分解してヒドロキシル基を導入する方法により得ることもできる。好ましい方法では、特開平9−327626号公報などに記載されている酸化触媒を用いる方法が含まれる。この酸化方法では、特定のイミド化合物で構成された酸化触媒、又は上記イミド化合物と助触媒とで構成された酸化触媒の存在下、前記式(1a)(2a)(1b)(2b)(1c)(2c) で表される基質化合物や重合体の単位(11)(12)を酸素酸化することによりヒドロキシル基を導入できる。
(式中、xは1又は2の整数、yは1〜6の整数を示す)
前記式で表される化合物において、xが1である場合、yは通常1〜3の整数であり、xが2である場合、yは通常1〜6の整数である。
(1)ヒドロキシル化
アダマンタン−1−イル−エタン−1−オン 1モルの無水テトラヒドロフラン溶液に、イソプロピルマグネシウムヨード(iso−C3H7MgI)1.2モルの無水ジエチルエーテル溶液を滴下し、10℃で6時間撹拌し、1−(1−ヒドロキシ−1,2−ジメチルプロピル)アダマンタンを得た。
得られた1−(1−ヒドロキシ−1,2−ジメチルプロピル)アダマンタン1.00ミリモル、ヨウ化サマリウム(SmI2) 0.10ミリモル、アクリル酸イソプロペニル 1.1ミリモル、ジオキサン(2mL)の混合溶液を50℃で6時間撹拌した。ガスクロマトグラフィーによる分析の結果、反応混合液中には、下記式で表される1−(1−アクリロイルオキシ−1,2−ジメチルプロピル)アダマンタン(収率90%)が生成していた。
得られた1−(1−アクリロイルオキシ−1,2−ジメチルプロピル)アダマンタン50重量%とメタクリル酸メチル10重量%とアクリル酸ブチル20重量%とメタクリル酸20重量%の単量体混合物100重量部を、重合開始剤(ベンゾイルパーオキサイド)5重量部を用いて有機溶媒(トルエン)中で重合し、混合液にメタノールで添加して重合体を沈殿させた。トルエンに溶解させてメタノールで沈殿させる操作を繰り返して精製し、重量平均分子量約1.5×104(GPCによるポリスチレン換算分子量)の共重合体を得た。
(1)ヒドロキシル化
1−(1−アクリロイルオキシ−1,2−ジメチルプロピル)アダマンタン 10ミリモル、NHPI 2ミリモル、コバルトアセチルアセトナトCo(AA)2 0.1ミリモル、酢酸25mlの混合物を、酸素雰囲気下、75℃で6時間撹拌したところ、下記式で表される1−ヒドロキシ−3−(1−アクリロイルオキシ−1,2−ジメチルプロピル)アダマンタン(収率78%)が得られた。
1−(1−アクリロイルオキシ−1,2−ジメチルプロピル)アダマンタンに代えて、1−ヒドロキシ−3−(1−アクリロイルオキシ−1,2−ジメチルプロピル)アダマンタンを用いる以外、実施例1のステップ(3)と同様にして共重合体を得た。
(1)カルボキシル基の導入
アダマンタン−1−イル−エタン−1−オン(1−アセチルアダマンタン) 10ミリモル、NHPI 1ミリモル、Co(AA)2 0.005ミリモルを酢酸25ml中に仕込み、混合ガス(2Lの一酸化炭素と、0.5Lの酸素との混合ガス;圧力:5kg/cm2)を封入したガスパックを反応器へ接続し、60℃で6時間撹拌したところ、転化率78%で、1−カルボキシアダマンタン−3−イル−エタン−1−オン(収率62%)を得た。
アダマンタン−1−イル−エタン−1−オンに代えて、1−カルボキシアダマンタン−3−イル−エタン−1−オンを用いる以外、実施例1のステップ(1)と同様にして、1−カルボキシ−3−(1−ヒドロキシ−1,2−ジメチルプロピル)アダマンタン(収率60%)が得られた。
1−(1−ヒドロキシ−1,2−ジメチルプロピル)アダマンタンに代えて、1−カルボキシ−3−(1−ヒドロキシ−1,2−ジメチルプロピル)アダマンタンを用いる以外、実施例1のステップ(2)(3)と同様にして、カルボキシル基含有化合物として、下記式で表される1−カルボキシ−3−(1−アクリロイルオキシ−1,2−ジメチルプロピル)アダマンタン[1−カルボキシ−3−(2−アクリロイルオキシ−3−メチル−2−イル)アダマンタンと同義](収率82%)および共重合体を得た。
(1)ヒドロキシル化
アダマンタン−1−イル−エタン−1−オンに代えて、アダマンタノンを用いる以外、実施例1のステップ(1)と同様にして、転化率76%で2−イソプロピル−2−ヒドロキシアダマンタン(収率61%)を得た。
1−(1−ヒドロキシ−1,2−ジメチルプロピル)アダマンタンに代えて、2−イソプロピル−2−ヒドロキシアダマンタンを用いる以外、実施例1のステップ(2)(3)と同様にして、ヒドロキシル基含有化合物として、下記式で表される2−イソプロピル−2−アクリロイルオキシアダマンタン(収率78%)および共重合体を得た。
(1)ヒドロキシル化
1−(1−アクリロイルオキシ−1,2−ジメチルプロピル)アダマンタンに代えて、2−イソプロピル−2−アクリロイルオキシアダマンタンを用いる以外、実施例2のヒドロキシル化ステップ(2)と同様にして、下記式で表される1−ヒドロキシ−4−イソプロピル−4−アクリロイルオキシアダマンタン(収率56%)を得た。
1−(1−アクリロイルオキシ−1,2−ジメチルプロピル)アダマンタンに代えて、1−ヒドロキシ−4−イソプロピル−4−アクリロイルオキシアダマンタンを用いる以外、実施例1のステップ(3)と同様にして共重合体を得た。
(1)カルボキシル基の導入
アダマンタン−1−イル−エタン−1−オンに代えて、アダマンタノンを用いる以外、実施例3のカルボキシル化ステップ(1)と同様にして、1−カルボキシアダマンタン−4−オンを得た。
1−(1−ヒドロキシ−1,2−ジメチルプロピル)アダマンタンに代えて、1−カルボキシ−4−ヒドロキシ−4−イソプロピルアダマンタンを用いる以外、実施例1のステップ(2)(3)と同様にして、カルボキシル基含有化合物として、下記式で表される1−カルボキシ−4−アクリロイルオキシ−4−イソプロピルアダマンタン(収率81%)および共合体を得た。
(1)ヒドロキシル化
1−アセチルアダマンタン 10ミリモル、NHPI 2ミリモル、コバルトアセチルアセトナトCo(AA)2 0.1ミリモル、酢酸25mlの混合物を、酸素雰囲気下、75℃で6時間撹拌したところ、1−ヒドロキシ−3−アセチルアダマンタン(収率80%)が得られた。
1−ヒドロキシ−3−アセチルアダマンタン 2ミリモル、水素化ホウ素ナトリウムNaBH4 2.4ミリモル、テトラヒドロフラン25mlの混合物を室温で3時間撹拌したところ、1−ヒドロキシ−3−(1−ヒドロキシエチル)アダマンタン(収率95%)が得られた。
1−ヒドロキシ−3−(1−ヒドロキシエチル)アダマンタン 1ミリモル、アクリル酸クロライド1.2モル、トリエチルアミン1.2モル、ジオキサン10mlの混合液を40℃で3時間撹拌したところ、下記式で表される1−ヒドロキシ−3−(1−アクリロイルオキシエチル)アダマンタン(収率78%)が得られた。
(1)ヒドロキシル化
アダマンタンカルボン酸クロライド 1モルの無水テトラヒドロフラン溶液に、エチルマグネシウムヨード(C2H5MgI)2.2モルの無水ジエチルエーテル溶液を滴下し、室温で6時間撹拌し、1−(3−ヒドロキシペンタ−3−イル)アダマンタン(収率95%)を得た。
1−ヒドロキシ−3−(3−ヒドロキシペンタ−3−イル)アダマンタン 1ミリモル、アクリル酸クロライド1.2モル、トリエチルアミン1.2モル、ジオキサン10mlの混合液を40℃で3時間撹拌したところ、下記式で表される1−ヒドロキシ−3−(3−アクリロイルオキシペンタ−3−イル)アダマンタン(収率45%)が得られた。
(1)ヒドロキシル化
アダマンタンカルボン酸クロライド 1モルの無水テトラヒドロフラン溶液に、エチルマグネシウムヨード(C2H5MgI)1.1モルの無水ジエチルエーテル溶液を滴下し、室温で6時間撹拌し、1−(1−ヒドロキシプロピル)アダマンタン(収率80%)を得た。
1−ヒドロキシ−3−(1−ヒドロキシプロピル)アダマンタン 1ミリモル、アクリル酸クロライド1.2モル、トリエチルアミン1.2モル、ジオキサン10mlの混合液を40℃で3時間撹拌したところ、下記式で表される1−ヒドロキシ−3−(1−アクリロイルオキシプロピル)アダマンタン(収率75%)が得られた。
(1)ヒドロキシル化
アダマンタン−1−カルボン酸 10ミリモル、NHPI 2ミリモル、コバルトアセチルアセトナトCo(AA)2 0.1ミリモル、酢酸25mlの混合物を、酸素雰囲気下、75℃で6時間撹拌したところ、1−ヒドロキシ−3−カルボキシアダマンタン(収率80%)が得られた。
1−ヒドロキシ−3−カルボキシアダマンタン 2ミリモル、水素化ホウ素ナトリウムNaBH4 6ミリモル、テトラヒドロフラン25mlの混合物を室温で6時間撹拌したところ、1−ヒドロキシ−3−ヒドロキシメチルアダマンタン(収率90%)が得られた。
1−ヒドロキシ−3−ヒドロキシメチルアダマンタン 1ミリモル、アクリル酸クロライド1.2モル、トリエチルアミン1.2モル、ジオキサン10mlの混合液を40℃で3時間撹拌したところ、下記式で表される1−ヒドロキシ−3−(アクリロイルオキシメチル)アダマンタン(収率90%)が得られた。
(1)ヒドロキシル化
デカリン 10ミリモル、NHPI 2ミリモル、コバルトアセチルアセトナトCo(AA)2 0.1ミリモル、酢酸25mlの混合物を、酸素雰囲気下、75℃で6時間撹拌したところ、9,10−ジヒドロキシ−ビシクロ[4.4.0]デカン(収率70%)が得られた。
9,10−ジヒドロキシ−ビシクロ[4.4.0]デカン 1ミリモル、アクリル酸クロライド1.2モル、トリエチルアミン1.2モル、ジオキサン10mlの混合液を40℃で3時間撹拌したところ、下記式で表される9−ヒドロキシ−10−アクリロイルオキシ−ビシクロ[4.4.0]デカン(収率90%)が得られた。
(1)ヒドロキシル化
トリシクロ[5.2.1.02.6]デカン 10ミリモル、NHPI 2ミリモル、コバルトアセチルアセトナトCo(AA)2 0.1ミリモル、酢酸25mlの混合物を、酸素雰囲気下、75℃で6時間撹拌したところ、2,6−ジヒドロキシ−トリシクロ[5.2.1.02.6]デカン(収率70%)が得られた。
2,6−ジヒドロキシ−トリシクロ[5.2.1.02.6]デカン 1ミリモル、アクリル酸クロライド1.2モル、トリエチルアミン1.2モル、ジオキサン10mlの混合液を40℃で3時間撹拌したところ、下記式で表される2−ヒドロキシ−6−アクリロイルオキシ−トリシクロ[5.2.1.02.6]デカン(収率70%)が得られた。
(1)ヒドロキシル化
アダマンタンカルボン酸クロライド 1モルの無水テトラヒドロフラン溶液に、エチルマグネシウムヨード(C2H5MgI)2.2モルの無水ジエチルエーテル溶液を滴下し、室温で6時間撹拌し、1−(3−ヒドロキシペンタ−3−イル)アダマンタン(収率95%)を得た。
1,3−ジヒドロキシ−5−(3−ヒドロキシペンタ−3−イル)アダマンタン 1ミリモル、アクリル酸クロライド0.5ミリモル、トリエチルアミン0.5ミリモル、ジオキサン10mlの混合液を40℃で3時間撹拌したところ、下記式で表される1,3−ジヒドロキシ−5−(3−アクリロイルオキシペンタ−3−イル)アダマンタン(収率80%;アクリル酸クロライド基準)が得られた。
得られた重合体100重量部と、トルフェニルスルホニウムヘキサフルオロアンチモン15重量部と、溶媒トルエンとを混合し、フォトレジスト用樹脂組成物を調製した。このフォトレジスト用樹脂組成物をシリコンウエハーにスピンコーティングにより塗布し、厚み1.0μmの感光層を形成した。ホットプレート上で60℃で100秒間プリベークした後、KrFエキシマステッパを用い、照射量100mJ/cm2で露光した後、温度100℃て60秒間ベークした。次いで、アルカリ水溶液(東京応化(株)製,NMD−3)を用いて60秒間現像し、純水でリンスしたところ、所定のパターン(それぞれ0.3μmのライン・アンド・スペースパターン)が形成できた。
Claims (10)
- 下記式(1)
(式中、R1はアルキル基、R2は、アルキル基、R3は水素原子又はメチル基、R4は水素原子、ハロゲン原子、アルキル基、酸素含有基、アミノ基又はN−置換アミノ基、nは1以上の整数を示す。前記酸素含有基は、オキソ基、ヒドロキシル基,アルコキシ基,カルボキシル基,アルコキシカルボニル基,シクロアルキルオキシカルボニル基,アリールオキシカルボニル基,アラルキルオキシカルボニル基、ヒドロキシメチル基、カルバモイル基、N−置換カルバモイル基、及びニトロ基から選択された少なくとも一種の置換基である。環Zはアダマンタン環を示す。式(1)において、R1又はR2は隣接する炭素原子とともに脂環式炭化水素環を形成してもよい。)
で表される酸感応性化合物。 - R1及びR2がC1−4アルキル基であり、R4が水素原子である請求項1記載の酸感応性化合物。
- R1が直鎖状又は分枝鎖状C1−4アルキル基、R2 が直鎖状又は分枝鎖状C1−4アルキル基である請求項1記載の酸感応性化合物。
- 少なくとも1つのR4が、ハロゲン原子、アルキル基、酸素含有基、アミノ基又はN−置換アミノ基である請求項1記載の酸感応性化合物。
- 共重合性単量体が、(メタ)アクリル系単量体、ビニルエステル系単量体、カルボキシル基含有単量体、スルホン酸基含有単量体、ラクトン骨格を有する単量体、及び脂環式炭化水素環を有する単量体から選択された少なくとも一種である請求項5記載の重合体。
- 共重合体における酸感応性化合物(1)の割合が、15〜90重量%である請求項5記載の重合体。
- 請求項5記載の重合体と光酸発生剤とで構成されているフォトレジスト用樹脂組成物。
- 重合体100重量部に対して、光酸発生剤0.1〜30重量部を含む請求項8記載のフォトレジスト用樹脂組成物。
- 基材に形成された請求項8記載のフォトレジスト用樹脂組成物の塗膜に、所定のパターンで露光し、現像してパターンを形成する方法。
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| KR100729679B1 (ko) * | 1999-11-02 | 2007-06-18 | 가부시끼가이샤 도시바 | 포토레지스트용 고분자 화합물 및 포토레지스트용 수지조성물 |
| JP4453138B2 (ja) * | 1999-12-22 | 2010-04-21 | 住友化学株式会社 | 化学増幅型ポジ型レジスト組成物 |
| JP4061801B2 (ja) | 2000-01-24 | 2008-03-19 | 住友化学株式会社 | 化学増幅型ポジ型レジスト組成物 |
| US6596463B2 (en) * | 2000-04-20 | 2003-07-22 | Shin-Etsu Chemical, Co., Ltd. | Ester compounds, polymers, resist compositions and patterning process |
| JP2008303218A (ja) * | 2000-07-28 | 2008-12-18 | Mitsubishi Chemicals Corp | (メタ)アクリル酸エステルの製造方法 |
| EP1267210B1 (en) * | 2001-06-12 | 2018-02-21 | FUJIFILM Corporation | Positive resist composition |
| CN1603957A (zh) | 2003-10-03 | 2005-04-06 | 住友化学工业株式会社 | 化学放大型正光刻胶组合物及其树脂 |
| KR100904068B1 (ko) | 2007-09-04 | 2009-06-23 | 제일모직주식회사 | 컬러필터용 감광성 수지 조성물 및 이를 이용한 컬러필터 |
| JP2009256306A (ja) * | 2008-03-18 | 2009-11-05 | Daicel Chem Ind Ltd | 重合性不飽和基を有するアダマンタン誘導体とその製造法 |
| WO2010047391A1 (ja) | 2008-10-23 | 2010-04-29 | 三菱化学株式会社 | 熱線反射膜及びその積層体ならびに熱線反射層形成用塗布液 |
| RU2675699C1 (ru) * | 2017-12-14 | 2018-12-24 | федеральное государственное бюджетное образовательное учреждение высшего образования "Самарский государственный технический университет" | Способ получения 5,7-диметил-3-гидроксиметил-1-адамантанола |
| CN111718439A (zh) * | 2020-06-19 | 2020-09-29 | 宁波南大光电材料有限公司 | 甲基丙烯酸树脂及其制备方法和应用 |
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| JPH07196743A (ja) * | 1993-12-28 | 1995-08-01 | Fujitsu Ltd | 放射線感光材料及びパターン形成方法 |
| JP3568599B2 (ja) * | 1993-12-28 | 2004-09-22 | 富士通株式会社 | 放射線感光材料及びパターン形成方法 |
| JP2616250B2 (ja) * | 1994-06-27 | 1997-06-04 | 日本電気株式会社 | 有橋環式炭化水素アルコールおよび感光性材料用中間化合物 |
| JP3417733B2 (ja) * | 1994-07-11 | 2003-06-16 | 株式会社東芝 | ArFエキシマレーザ露光用感光性材料 |
| JP3751065B2 (ja) * | 1995-06-28 | 2006-03-01 | 富士通株式会社 | レジスト材料及びレジストパターンの形成方法 |
| JP3683986B2 (ja) * | 1996-06-18 | 2005-08-17 | 株式会社東芝 | 感光性組成物 |
| KR100219573B1 (ko) * | 1996-08-05 | 1999-09-01 | 윤종용 | 감광성 고분자 화합물 및 이를 포함하는 포토레지스트 조성물 |
| JP3731777B2 (ja) * | 1997-05-12 | 2006-01-05 | 富士写真フイルム株式会社 | ポジ型レジスト組成物 |
| EP0915077B1 (en) * | 1997-05-23 | 2004-11-17 | Daicel Chemical Industries, Ltd. | Polymerizable adamantane derivatives and process for producing the same |
| JP3948795B2 (ja) * | 1997-09-30 | 2007-07-25 | ダイセル化学工業株式会社 | 放射線感光材料及びそれを用いたパターン形成方法 |
| JP2000154166A (ja) * | 1998-11-20 | 2000-06-06 | Daicel Chem Ind Ltd | 重合性脂環式エステル及びその製造方法 |
-
1999
- 1999-05-20 WO PCT/JP1999/002637 patent/WO1999061404A1/ja not_active Ceased
- 1999-05-20 DE DE69931201T patent/DE69931201T2/de not_active Expired - Lifetime
- 1999-05-20 KR KR1020007000744A patent/KR100573948B1/ko not_active Expired - Lifetime
- 1999-05-20 EP EP99953334A patent/EP1000924A4/en not_active Withdrawn
- 1999-05-20 EP EP04008994A patent/EP1445266B1/en not_active Expired - Lifetime
- 1999-05-20 KR KR1020047007682A patent/KR100573659B1/ko not_active Expired - Lifetime
- 1999-05-25 TW TW088108544A patent/TW476866B/zh not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| DE69931201D1 (de) | 2006-06-08 |
| EP1000924A4 (en) | 2005-01-05 |
| EP1445266B1 (en) | 2006-05-03 |
| EP1000924A1 (en) | 2000-05-17 |
| DE69931201T2 (de) | 2006-08-31 |
| EP1445266A3 (en) | 2004-09-15 |
| WO1999061404A1 (en) | 1999-12-02 |
| KR20010022172A (ko) | 2001-03-15 |
| KR100573948B1 (ko) | 2006-04-26 |
| JP2009114453A (ja) | 2009-05-28 |
| KR100573659B1 (ko) | 2006-04-26 |
| KR20040053351A (ko) | 2004-06-23 |
| TW476866B (en) | 2002-02-21 |
| EP1445266A2 (en) | 2004-08-11 |
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