KR100814488B1 - 이멀젼 리소그래피시 물 자국 결함 방지 - Google Patents
이멀젼 리소그래피시 물 자국 결함 방지 Download PDFInfo
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- KR100814488B1 KR100814488B1 KR1020060079499A KR20060079499A KR100814488B1 KR 100814488 B1 KR100814488 B1 KR 100814488B1 KR 1020060079499 A KR1020060079499 A KR 1020060079499A KR 20060079499 A KR20060079499 A KR 20060079499A KR 100814488 B1 KR100814488 B1 KR 100814488B1
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- photosensitive layer
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- 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
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- 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
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- 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
- G03F7/039—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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- 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
- G03F7/2041—Exposure; Apparatus therefor in the presence of a fluid, e.g. immersion; using fluid cooling means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Materials For Photolithography (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
Description
Claims (14)
- 산과 반응하여 베이스 용액에 녹게 되는 폴리머;방사 에너지에 의해 분해되어 산을 형성하는 광-산 발생제(PAG); 및산을 중화시킬 수 있고, 다음 1) 내지 3) 중 적어도 하나의 조건을 충족하는 억제제(quencher), 상기 억제제가 1) 상기 폴리머에 화학적으로 결합될 것, 2) 소수성을 지닐 것, 3) 이멀젼 리소그래피 동안 포토레지스트상의 이멀젼 유체로의 확산이 감소되도록 상기 폴리머에 물리적으로 구속될 것;를 포함하며,상기 억제제의 농도는 무게 비율로 상기 폴리머의 0.5% 이상인 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- 삭제
- 제 1 항에 있어서,상기 억제제가 상기 폴리머에 화학적으로 결합될 때, 상기 억제제는 상기 억제제의 질소 원자를 통해 상기 폴리머의 카본 유닛 또는 상기 폴리머의 카본 이외의 원자 유닛에 결합되는 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- 제 1 항에 있어서,상기 억제제는 하나의 비공유전자쌍(a lone pair electron)을 갖는 질소 원자를 포함하는 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- 제 4 항에 있어서,상기 억제제는 상기 질소 원자에 부착된 적어도 하나의 환형 구조를 포함하는 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- 제 4 항에 있어서,상기 억제제는 상기 억제제의 질소 원자에 부착되는 일 유닛을 포함하며, 이 일 유닛은 적어도 네 개의 원자를 갖는 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- 제 4 항에 있어서,상기 억제제는 상기 억제제의 질소 원자에 부착된 적어도 하나의 가지 체인(branch chain)을 포함하는 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- 삭제
- 제 1 항에 있어서,상기 억제제가 소수성을 지닐 때, 상기 억제제는 불화물을 포함하는 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- 산과 반응하여 베이스 용액에 녹게 되는 폴리머;방사 에너지에 의해 분해되어 산을 형성하는 복수의 광-산 발생제(PAGs); 및산을 중화시킬 수 있고, 다음 1) 내지 3) 중 적어도 하나의 조건을 충족하는 복수의 억제제(quencher), 상기 억제제가 1) 상기 폴리머에 화학적으로 결합될 것, 2) 소수성을 지닐 것, 3) 이멀젼 리소그래피 동안 포토레지스트상의 이멀젼 유체로의 확산이 감소되도록 상기 폴리머에 물리적으로 구속될 것;를 포함하며,상기 복수의 억제제의 농도는 상기 복수의 PAGs의 농도의 1/4인 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- 제 10 항에 있어서,상기 복수의 억제제 중 하나 이상은 하나의 비공유전자쌍을 갖는 질소 원자를 포함하는 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- 제 11 항에 있어서,상기 복수의 억제제 각각은 상기 질소에 결합되는 화학기를 포함하고, 상기 화학기는 알킬기, 환형 구조, 카본 체인, 분기된 그룹(branched group) 및 이들의 조합으로 이루어진 그룹 중 선택된 어느 하나인 것을 특징으로 하는 이멀젼 리소그래피용 포토레지스트 재료.
- (가) 기판 위에 감광층을 형성하는 단계,여기서 상기 감광층은 산과 반응하여 베이스 용액에 녹게 되는 폴리머와,방사 에너지에 의해 분해되어 산을 형성하는 복수의 광-산 발생제(PAGs)와,산을 중화시킬 수 있고, 다음 1) 내지 3) 중 적어도 하나의 조건을 충족하는 복수의 억제제 - 상기 억제제가 1) 상기 폴리머에 화학적으로 결합될 것, 2) 소수성을 지닐 것, 3) 상기 폴리머에 물리적으로 구속될 것 - 를 포함함;(나) 상기 감광층을 이멀젼 유체를 가진 이멀젼 리소그래피 시스템에 노출시키는 단계;(다) 상기 이멀젼 유체 내로 상기 복수의 억제제를 5×10-13 mole/㎠ 미만의 비율로 추출할 수 있는 상기 감광층을 베이킹하는 단계; 및(라) 상기 노출된 감광층을 현상하는 단계;를 포함하는 이멀젼 리소그래피법.
- 제 13 항에 있어서,상기 감광층의 노출 후 상기 감광층 상의 물방울의 pH 값이 6 미만이 되도록 산 처리하는 것을 더 포함하는 것을 특징으로 하는 이멀젼 리소그래피법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US72264605P | 2005-09-30 | 2005-09-30 | |
US60/722,646 | 2005-09-30 | ||
US11/271,639 US7927779B2 (en) | 2005-06-30 | 2005-11-10 | Water mark defect prevention for immersion lithography |
US11/271,639 | 2005-11-10 |
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KR20070037303A KR20070037303A (ko) | 2007-04-04 |
KR100814488B1 true KR100814488B1 (ko) | 2008-03-18 |
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KR1020060079499A KR100814488B1 (ko) | 2005-09-30 | 2006-08-22 | 이멀젼 리소그래피시 물 자국 결함 방지 |
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US (3) | US7927779B2 (ko) |
JP (1) | JP2007102180A (ko) |
KR (1) | KR100814488B1 (ko) |
DE (1) | DE102006045459B4 (ko) |
FR (1) | FR2891630B1 (ko) |
IL (1) | IL178318A (ko) |
NL (2) | NL1032574C2 (ko) |
SG (1) | SG131049A1 (ko) |
TW (1) | TWI338195B (ko) |
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US10514603B2 (en) | 2013-12-06 | 2019-12-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Photoresist and method |
US11073763B2 (en) | 2013-12-06 | 2021-07-27 | Taiwan Semiconductor Manufacturing Company, Ltd. | Photoresist and method |
US10114286B2 (en) | 2014-05-16 | 2018-10-30 | Taiwan Semiconductor Manufacturing Company | Photoresist and method |
Also Published As
Publication number | Publication date |
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US8415091B2 (en) | 2013-04-09 |
FR2891630A1 (fr) | 2007-04-06 |
NL1032574A1 (nl) | 2007-04-02 |
IL178318A0 (en) | 2011-08-01 |
DE102006045459B4 (de) | 2022-07-28 |
IL178318A (en) | 2013-01-31 |
NL2001346A1 (nl) | 2008-04-22 |
US20130216949A1 (en) | 2013-08-22 |
US20110183273A1 (en) | 2011-07-28 |
JP2007102180A (ja) | 2007-04-19 |
DE102006045459A1 (de) | 2007-04-12 |
US7927779B2 (en) | 2011-04-19 |
US20070077516A1 (en) | 2007-04-05 |
TW200712779A (en) | 2007-04-01 |
TWI338195B (en) | 2011-03-01 |
FR2891630B1 (fr) | 2011-11-04 |
NL1032574C2 (nl) | 2008-04-22 |
US8802354B2 (en) | 2014-08-12 |
KR20070037303A (ko) | 2007-04-04 |
SG131049A1 (en) | 2007-04-26 |
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