KR100353469B1 - 아세탈계포토레지스트중합체와그의제조방법및이중합체를이용한미세패턴의제조방법 - Google Patents
아세탈계포토레지스트중합체와그의제조방법및이중합체를이용한미세패턴의제조방법 Download PDFInfo
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- KR100353469B1 KR100353469B1 KR1019980018035A KR19980018035A KR100353469B1 KR 100353469 B1 KR100353469 B1 KR 100353469B1 KR 1019980018035 A KR1019980018035 A KR 1019980018035A KR 19980018035 A KR19980018035 A KR 19980018035A KR 100353469 B1 KR100353469 B1 KR 100353469B1
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- photoresist
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- 229920002120 photoresistant polymer Polymers 0.000 title claims abstract description 64
- 229920000642 polymer Polymers 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000004065 semiconductor Substances 0.000 claims abstract description 10
- 229920006324 polyoxymethylene Polymers 0.000 claims abstract description 6
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 10
- 238000005530 etching Methods 0.000 claims description 10
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 5
- 239000011118 polyvinyl acetate Substances 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 claims description 3
- 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 claims description 3
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 125000004391 aryl sulfonyl group Chemical group 0.000 claims description 2
- BHXIWUJLHYHGSJ-UHFFFAOYSA-N ethyl 3-ethoxypropanoate Chemical compound CCOCCC(=O)OCC BHXIWUJLHYHGSJ-UHFFFAOYSA-N 0.000 claims description 2
- BDJSOPWXYLFTNW-UHFFFAOYSA-N methyl 3-methoxypropanoate Chemical compound COCCC(=O)OC BDJSOPWXYLFTNW-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims 1
- 150000003568 thioethers Chemical class 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 4
- 238000006884 silylation reaction Methods 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 238000003786 synthesis reaction Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 5
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 5
- 125000003158 alcohol group Chemical group 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910014299 N-Si Inorganic materials 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GJWAPAVRQYYSTK-UHFFFAOYSA-N [(dimethyl-$l^{3}-silanyl)amino]-dimethylsilicon Chemical compound C[Si](C)N[Si](C)C GJWAPAVRQYYSTK-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- KZFNONVXCZVHRD-UHFFFAOYSA-N dimethylamino(dimethyl)silicon Chemical compound CN(C)[Si](C)C KZFNONVXCZVHRD-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- PABOJLCUORLPDE-UHFFFAOYSA-N N,N-dimethyl-2-silylethanamine Chemical compound CN(C)CC[SiH3] PABOJLCUORLPDE-UHFFFAOYSA-N 0.000 description 1
- JOOMLFKONHCLCJ-UHFFFAOYSA-N N-(trimethylsilyl)diethylamine Chemical compound CCN(CC)[Si](C)(C)C JOOMLFKONHCLCJ-UHFFFAOYSA-N 0.000 description 1
- -1 Oxime sulfonate Chemical class 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- TUVYSBJZBYRDHP-UHFFFAOYSA-N acetic acid;methoxymethane Chemical compound COC.CC(O)=O TUVYSBJZBYRDHP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- RVOWBUHHAGFJPC-UHFFFAOYSA-N dibutyl(naphthalen-1-yl)sulfanium Chemical compound C1=CC=C2C([S+](CCCC)CCCC)=CC=CC2=C1 RVOWBUHHAGFJPC-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- KAHVZNKZQFSBFW-UHFFFAOYSA-N n-methyl-n-trimethylsilylmethanamine Chemical compound CN(C)[Si](C)(C)C KAHVZNKZQFSBFW-UHFFFAOYSA-N 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 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
- G03F7/016—Diazonium salts or compounds
- G03F7/021—Macromolecular diazonium compounds; Macromolecular additives, e.g. binders
- G03F7/0212—Macromolecular diazonium compounds; Macromolecular additives, e.g. binders characterised by the polymeric binder or the macromolecular additives other than the diazo resins or the polymeric diazonium compounds
- G03F7/0215—Natural gums; Proteins, e.g. gelatins; Macromolecular carbohydrates, e.g. cellulose; Polyvinyl alcohol and derivatives thereof, e.g. polyvinylacetals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Materials For Photolithography (AREA)
Abstract
Description
Claims (10)
- 포토레지스트용 중합체로 사용되는 것을 특징으로 하는 하기 화학식 1의 아세탈계 중합체.<화학식 1>상기식에서,R은 수소 또는 탄소수 1 내지 10의 알킬기를 나타내며,x : y : z의 비는 (10∼80 몰%) : (10∼80 몰%) : (10∼80 몰%) 이다.
- 제 1 항에 있어서,상기 중합체는 하기 화학식 3 내지 화학식 6의 화합물로 이루어진 군으로부터 선택되는 것을 특징으로 하는 아세탈계 중합계.<화학식 3><화학식 4><화학식 5><화학식 6>
- 하기 화학식 2로 표시되는 20∼90% 가수분해된 폴리비닐아세테이트를 프로피온알데히드, 아세트알데히드, 부틸알데히드 또는 포름알데히드와 반응시키는 것을 특징으로 하는 하기 화학식 1의 아세탈계 중합체의 제조방법.<화학식 1><화학식2>상기식에서,R은 수소 또는 탄소수 1 내지 10의 알킬기를 나타내며,x : y : z의 비는 10∼80 몰% : 10∼80 몰% : 10∼80 몰% 이고,a : b의 비는 10∼90 몰% : 10∼90 몰%이다.
- 하기 화학식 1로 표시되는 적어도 하나의 중합체를 유기용매에 녹이고 광산발생제와 혼합하여 포토레지스트 조성물을 형성하는 제1단계와,상기 제1단계의 포토레지스트 조성물을 피식각층이 형성된 기판상에 도포하여 포토레지스트층을 형성하는 제2단계와,상기 포토레지스트층을 선택노광하는 제3단계와,상기 노광된 포토레지스트층을 실릴화제로 실릴화(silylation)시키는 제4단계와,상기 포토레지스트층을 건식 현상하여 포토레지스트 패턴을 형성하는 제5단계와,상기 포토레지스트 패턴을 식각마스크로 하여 피식각층을 식각하여 피식각층 패턴을 형성하는 제6단계를 포함하는 것을 특징으로 하는 미세 패턴 제조방법.<화학식 1>상기식에서,R은 수소 또는 탄소수 1 내지 10의 알킬기를 나타내며,x : y : z의 비는 10∼80 몰% : 10∼80 몰% : 10∼80 몰% 이다.
- 제 4 항에 있어서,상기 제1단계의 광산발상제는 황화염계 또는 오니움염계 화합물인 것을 특징으로 하는 미세 패턴 제조방법.
- 제 5 항에 있어서,상기 제1단계의 광산발생제는 트리페닐설포늄 트리플레이트, 디부틸나프틸설포늄 트리플레이트, 2,6-디메틸설포네이트, 비스(아릴설포닐)-디아조메탄, 옥심설포네이트 및 1,2-디아조나프토퀴논-4-설포네이트로 이루어지는 군에서 임의로 선택되는 적어도 하나인 것을 특징으로 하는 미세 패턴 제조방법.
- 제 4 항에 있어서,상기 포토레지스트 조성물에 사용되는 유기용매로는 에틸 3-에톡시프로피오네이트, 메틸 3-메톡시프로피오네이트, 시클로헥사논 및 프로필렌글리콜 메틸에테르 아세테이트로 이루어지는 군에서 임의로 선택되는 하나 또는 둘 이상의 혼합용액인 것을 특징으로 하는 미세 패턴 제조 방법.
- 제 4 항에 있어서,상기 제3단계의 노광공정은 노광원으로 ArF, KrF, DUV, EUV, E-빔 또는 X-선을 사용하여 실시하는 것을 특징으로 하는 미세 패턴 제조 방법.
- 제 1 항의 중합체를 포함하는 포토레지스트 조성물을 사용하여 형성된 반도체소자.
- 제 4항의 방법을 사용하여 형성된 반도체소자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980018035A KR100353469B1 (ko) | 1998-05-19 | 1998-05-19 | 아세탈계포토레지스트중합체와그의제조방법및이중합체를이용한미세패턴의제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980018035A KR100353469B1 (ko) | 1998-05-19 | 1998-05-19 | 아세탈계포토레지스트중합체와그의제조방법및이중합체를이용한미세패턴의제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990085560A KR19990085560A (ko) | 1999-12-06 |
KR100353469B1 true KR100353469B1 (ko) | 2002-12-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980018035A Expired - Fee Related KR100353469B1 (ko) | 1998-05-19 | 1998-05-19 | 아세탈계포토레지스트중합체와그의제조방법및이중합체를이용한미세패턴의제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100353469B1 (ko) |
-
1998
- 1998-05-19 KR KR1019980018035A patent/KR100353469B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19990085560A (ko) | 1999-12-06 |
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