KR101591545B1 - 함불소 단량체, 고분자 화합물, 레지스트 재료 및 패턴 형성 방법 - Google Patents
함불소 단량체, 고분자 화합물, 레지스트 재료 및 패턴 형성 방법 Download PDFInfo
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- KR101591545B1 KR101591545B1 KR1020110030880A KR20110030880A KR101591545B1 KR 101591545 B1 KR101591545 B1 KR 101591545B1 KR 1020110030880 A KR1020110030880 A KR 1020110030880A KR 20110030880 A KR20110030880 A KR 20110030880A KR 101591545 B1 KR101591545 B1 KR 101591545B1
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- 238000010348 incorporation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- FRIJBUGBVQZNTB-UHFFFAOYSA-M magnesium;ethane;bromide Chemical compound [Mg+2].[Br-].[CH2-]C FRIJBUGBVQZNTB-UHFFFAOYSA-M 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005649 metathesis reaction Methods 0.000 description 1
- ZQMHJBXHRFJKOT-UHFFFAOYSA-N methyl 2-[(1-methoxy-2-methyl-1-oxopropan-2-yl)diazenyl]-2-methylpropanoate Chemical compound COC(=O)C(C)(C)N=NC(C)(C)C(=O)OC ZQMHJBXHRFJKOT-UHFFFAOYSA-N 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 125000002868 norbornyl group Chemical group C12(CCC(CC1)C2)* 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical group C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- 150000002921 oxetanes Chemical group 0.000 description 1
- 125000003566 oxetanyl group Chemical group 0.000 description 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical class FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
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- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 125000005561 phenanthryl 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
- 239000002798 polar solvent Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 1
- 239000000249 polyoxyethylene sorbitan monopalmitate Substances 0.000 description 1
- 235000010483 polyoxyethylene sorbitan monopalmitate Nutrition 0.000 description 1
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 description 1
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 150000003139 primary aliphatic amines Chemical class 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- NPSSWQJHYLDCNV-UHFFFAOYSA-N prop-2-enoic acid;hydrochloride Chemical compound Cl.OC(=O)C=C NPSSWQJHYLDCNV-UHFFFAOYSA-N 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
- 238000010926 purge Methods 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007152 ring opening metathesis polymerisation reaction Methods 0.000 description 1
- 150000005619 secondary aliphatic amines Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 229940035044 sorbitan monolaurate Drugs 0.000 description 1
- 239000001570 sorbitan monopalmitate Substances 0.000 description 1
- 235000011071 sorbitan monopalmitate Nutrition 0.000 description 1
- 229940031953 sorbitan monopalmitate Drugs 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- GFYHSKONPJXCDE-UHFFFAOYSA-N sym-collidine Natural products CC1=CN=C(C)C(C)=C1 GFYHSKONPJXCDE-UHFFFAOYSA-N 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000003510 tertiary aliphatic amines Chemical class 0.000 description 1
- 125000004192 tetrahydrofuran-2-yl group Chemical group [H]C1([H])OC([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000004187 tetrahydropyran-2-yl group Chemical group [H]C1([H])OC([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- PNQBEPDZQUOCNY-UHFFFAOYSA-N trifluoroacetyl chloride Chemical compound FC(F)(F)C(Cl)=O PNQBEPDZQUOCNY-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
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- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D317/34—Oxygen atoms
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- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/013—Esters of alcohols having the esterified hydroxy group bound to a carbon atom of a ring other than a six-membered aromatic ring
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- C07C69/62—Halogen-containing esters
- C07C69/65—Halogen-containing esters of unsaturated acids
- C07C69/653—Acrylic acid esters; Methacrylic acid esters; Haloacrylic acid esters; Halomethacrylic acid esters
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- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/16—Radicals substituted by halogen atoms or nitro radicals
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- C08F222/10—Esters
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- C08F222/20—Esters containing oxygen in addition to the carboxy oxygen
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- C08F222/10—Esters
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- C08F222/22—Esters containing nitrogen
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- C08F24/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a heterocyclic ring containing oxygen
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- G03F7/004—Photosensitive materials
- G03F7/0045—Photosensitive materials with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors
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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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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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Abstract
(R1은 H, F, 메틸기 또는 트리플루오로메틸기를 나타낸다. R2, R3은 H 또는 C 1∼15의 1가 탄화수소기. R2, R3은 서로 결합하여 이들이 결합하는 탄소 원자와 함께 비방향 고리를 형성하여도 좋다. R4∼R6은 C 1∼6의 불소화 1가 탄화수소기. A는 C 1∼10의 2가 탄화수소기. k1은 0∼2의 정수.)
본 발명의 함불소 단량체는, 기능성 재료, 의약·농약 등의 원료로서 유용하며, 파장 500 ㎚ 이하의 방사선에 대하여 우수한 투명성을 가지고, 현상 결함이 적은 감방사선 레지스트 재료의 첨가제용 수지를 제조하기 위한 단량체로서 유용하다. 상기 단량체로부터 얻어지는 고분자 화합물은, 수지 구조의 선택에 따라 발수성, 활수성, 지용성, 산분해성, 가수 분해성 등 각종 성능의 조정이 가능하다.
Description
Claims (15)
- 하기 일반식 (1)로 표시되는 함불소 단량체:
식 중, R1은 수소 원자, 불소 원자, 메틸기 또는 트리플루오로메틸기이고, R2, R3은 각각 독립적으로 수소 원자 또는 탄소수 1∼10의 직쇄형, 분기형 또는 환형의 알킬기 또는 이들의 수소 원자의 일부가 불소 원자, 수산기, 알콕시기, 카르복시기, 알콕시카르보닐기 또는 옥소기로 치환된것이며, R2, R3은 서로 결합하여 이들이 결합하는 탄소 원자와 함께 시클로펜틸기 또는 시클로헥실기를 형성할 수 있고, R4∼R6은 탄소수 1∼5의 직쇄형 또는 분기형의 불소화 알킬기이며, A는 탄소수 1∼5의 직쇄형, 분기형 또는 환형의 알킬렌기이고, k1은 0 또는 1의 정수이다. - 하기 일반식 (1a)로 표시되는 반복 단위를 함유하는 것을 특징으로 하는 고분자 화합물:
식 중, R1은 수소 원자, 불소 원자, 메틸기 또는 트리플루오로메틸기이고, R2, R3은 각각 독립적으로 수소 원자 또는 탄소수 1∼10의 직쇄형, 분기형 또는 환형의 알킬기 또는 이들의 수소 원자의 일부가 불소 원자, 수산기, 알콕시기, 카르복시기, 알콕시카르보닐기 또는 옥소기로 치환된것이며, R2, R3은 서로 결합하여 이들이 결합하는 탄소 원자와 함께 시클로펜틸기 또는 시클로헥실기를 형성할 수 있고, R4∼R6은 탄소수 1∼5의 직쇄형 또는 분기형의 불소화 알킬기이며, A는 탄소수 1∼5의 직쇄형, 분기형 또는 환형의 알킬렌기이고, k1은 0 또는 1의 정수이다. - (A) 하기 일반식 (1a)로 표시되는 반복 단위를 갖는 고분자 화합물, (B) 하기 일반식 (2A) ~ (2D)로 표시되는 반복 단위 중 어느 1종 이상을 함유하고, 산에 의해 분해되어 알칼리 현상액에 용해될 수 있는 고분자 화합물, (C) 노광광원으로서 파장 180~250 nm 범위의 고에너지선의 노광에 의해 분해되어 산을 발생하는 화합물, 및 (D) 유기 용제를 함유하는 것을 특징으로 하는 레지스트 재료:
식 중, R1은 수소 원자, 불소 원자, 메틸기 또는 트리플루오로메틸기이고, R2, R3은 각각 독립적으로 수소 원자 또는 탄소수 1∼10의 직쇄형, 분기형 또는 환형의 알킬기 또는 이들의 수소 원자의 일부가 불소 원자, 수산기, 알콕시기, 카르복시기, 알콕시카르보닐기 또는 옥소기로 치환된것이며, R2, R3은 서로 결합하여 이들이 결합하는 탄소 원자와 함께 시클로펜틸기 또는 시클로헥실기를 형성할 수 있고, R4∼R6은 탄소수 1∼5의 직쇄형 또는 분기형의 불소화 알킬기이며, A는 탄소수 1∼5의 직쇄형, 분기형 또는 환형의 알킬렌기이고, k1은 0 또는 1의 정수이다.
식 중, R1A는 수소 원자, 불소 원자, 메틸기 또는 트리플루오로메틸기이고, XA는 하기 일반식 (L1) ∼ (L4)로 표시되는 기, 탄소수 4∼20의 3급 알킬기, 각 알킬기가 각각 탄소수 1∼6의 트리알킬실릴기, 탄소수 4∼20의 옥소알킬기로부터 선택되는 산불안정기를 나타내고,
(식 중, RL01 및 RL02는 수소 원자 또는 탄소수 1∼18의 직쇄형, 분기형 또는 환형의 알킬기이고, RL03은 탄소수 1∼18의 직쇄형, 분기형 또는 환형의 알킬기, 이들의 수소 원자의 일부가 수산기, 알콕시기, 옥소기, 아미노기 또는 알킬아미노기로 치환된 것이고, RL04는 탄소수 4∼20의 3급 알킬기, 각 알킬기가 각각 탄소수 1∼6의 트리알킬실릴기, 탄소수 4∼20의 옥소알킬기 또는 상기 일반식 (L1)로 표시되는 기이고, RL05는 탄소수 1∼10의 치환되어 있어도 좋은 직쇄형, 분기형 또는 환형의 알킬기 또는 탄소수 6∼20의 치환되어 있어도 좋은 아릴기이고, RL06은 탄소수 1∼10의 치환되어 있어도 좋은 직쇄형, 분기형 또는 환형의 알킬기 또는 탄소수 6∼20의 치환되어 있어도 좋은 아릴기이고, RL07∼RL16은 각각 독립적으로 수소 원자 또는 탄소수 1∼15의 직쇄형, 분기형 또는 환형의 알킬기 또는 이들의 수소 원자의 일부가 수산기, 알콕시기, 카르복시기, 알콕시카르보닐기, 옥소기, 아미노기, 알킬아미노기, 시아노기, 머캅토기, 알킬티오기 또는 술포기로 치환된 것이고, 또한, RL07과 RL08, RL07과 RL09, RL08과 RL10, RL09와 RL10, RL11과 RL12, RL13과 RL14는 서로 결합하여 이들이 결합하는 탄소 원자와 함께 고리를 형성할 수 있고, 그 경우에는 고리의 형성에 관여하는 기는 탄소수 1∼15의 알킬렌기이고, 또한, RL07과 RL09, RL09와 RL15, RL13과 RL15는 인접하는 탄소에 결합하는 것끼리 아무것도 개재시키지 않고 결합하며, 이중 결합을 형성할 수 있고, y는 0∼6의 정수이고, m은 0 또는 1, n은 0∼3의 정수이며, 2m+n=2 또는 3이며, 또한, 파선은 원자가 결합을 나타냄.)
XB, XC는 각각 독립적으로 단결합, 또는 탄소수 1∼4의 직쇄형 또는 분기형의 알킬렌기이고, YA는 하기 식으로부터 선택된 락톤 구조를 갖는 치환기이며, ZA는 수소 원자, 또는 탄소수 1∼15의 플루오로알킬기 또는 탄소수 1∼15의 플루오로알코올 함유 치환기이고, k1A는 1∼3의 정수이다.
- 제3항에 있어서, (A) 성분의 고분자 화합물은, 하기 일반식 (2a)∼(2i)로 표시되는 반복 단위 중 1개 또는 2개 이상을 더 갖는 고분자 화합물인 레지스트 재료:
식 중, R1은 상기 정의된 바와 같고, R4a 및 R4b는 수소 원자, 또는 탄소수 1∼15의 직쇄형, 분기형 또는 환형의 알킬기이며, R4a와 R4b는 서로 결합하여 이들이 결합하는 탄소 원자와 함께 시클로펜틸기 또는 시클로헥실기를 형성할 수 있고, R5a는 수소 원자, 또는 탄소수 1∼15의 직쇄형, 분기형 또는 환형의 알킬기 또는 불소화 알킬기, 또는 산불안정기인데, 알킬기의 경우, 구성하는 -CH2-가 -O- 또는 -C(=O)-으로 치환될 수 있고, R6a, R6b 및 R6c는 수소 원자, 또는 탄소수 1∼15의 직쇄형, 분기형 또는 환형의 알킬기이며, R6a와 R6b, R6a와 R6c, R6b와 R6c는 서로 결합하여 이들이 결합하는 탄소 원자와 함께 시클로펜틸기 또는 시클로헥실기를 형성할 수 있고, R7a는 수소 원자, 또는 탄소수 1∼15의 직쇄형, 분기형 또는 환형의 알킬기이며, R7b는 탄소수 1∼15의 직쇄형, 분기형 또는 환형의 알킬기이고, R8a는 탄소수 1∼15의 직쇄형, 분기형 또는 환형의 불소화 알킬기이며, R9a는 탄소수 1∼10의 직쇄형, 분기형 또는 환형의 불소화 알킬기이고, R10a는 할로겐 원자 또는 산소 원자를 갖고 있어도 좋은 탄소수 1∼15의 직쇄형, 분기형 또는 환형의 알킬기이며, k2는 0 또는 1이다. - 제3항에 있어서, 고분자 화합물(B) 100 질량부에 대하여, 일반식 (1a)로 표시되는 반복 단위를 포함하는 고분자 화합물(A)의 첨가량이 0.1∼50 질량부인 것을 특징으로 하는 레지스트 재료.
- 제3항에 있어서, (E) 염기성 화합물을 더 함유하는 것을 특징으로 하는 레지스트 재료.
- (1) 제3항에 기재된 레지스트 재료를 기판 위에 도포하는 공정과, (2) 가열 처리 후, 포토 마스크를 통해 노광 광원으로서 파장 180∼250 ㎚의 범위의 고에너지선으로 노광하는 공정과, (3) 테트라메틸암모늄히드록시드 수용액으로 이루어진 현상액을 이용하여 현상하는 공정을 포함하는 것을 특징으로 하는 패턴 형성 방법.
- (1) 제3항에 기재된 레지스트 재료를 기판 위에 도포하는 공정과, (2) 가열 처리 후, 투영 렌즈와 기판 사이에 액체를 삽입시키고, 포토 마스크를 통해 노광 광원으로서 파장 180∼250 ㎚의 범위의 고에너지선으로 노광하는 공정과, (3) 테트라메틸암모늄히드록시드 수용액으로 이루어진현상액을 이용하여 현상하는 공정을 포함하는 것을 특징으로 하는 패턴 형성 방법.
- (1) 제3항에 기재된 레지스트 재료를 기판 위에 도포하는 공정과, (2) 포토레지스트막의 위에 보호막층을 형성하는 공정과, (3) 가열 처리 후, 투영 렌즈와 기판 사이에 액체를 삽입시키고, 포토 마스크를 통해 노광 광원으로서 파장 180∼250 ㎚의 범위의 고에너지선으로 노광하는 공정과, (4) 테트라메틸암모늄히드록시드 수용액으로 이루어진 현상액을 이용하여 현상하는 공정을 포함하는 것을 특징으로 하는 패턴 형성 방법.
- 제8항 또는 제9항에 있어서, 상기 노광 공정에서, 투영 렌즈와 기판 사이에 삽입하는 액체가 물인 것을 특징으로 하는 패턴 형성 방법.
- (1) 제3항 내지 제6항 중 어느 한 항에 기재된 레지스트 재료를 마스크 블랭크 위에 도포하는 공정과, (2) 가열 처리 후, 진공 중 전자빔으로 노광하는 공정과, (3) 테트라메틸암모늄히드록시드 수용액으로 이루어진 현상액을 이용하여 현상하는 공정을 포함하는 것을 특징으로 하는 패턴 형성 방법.
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US7771914B2 (en) | 2006-10-17 | 2010-08-10 | Shin-Etsu Chemical Co., Ltd. | Resist composition and patterning process |
JP4849267B2 (ja) | 2006-10-17 | 2012-01-11 | 信越化学工業株式会社 | レジスト材料及びこれを用いたパターン形成方法 |
JP5029839B2 (ja) | 2008-06-19 | 2012-09-19 | 信越化学工業株式会社 | ポジ型レジスト材料並びにこれを用いたパターン形成方法 |
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