KR100571369B1 - 디바이스제조방법 및 컴퓨터프로그램 - Google Patents
디바이스제조방법 및 컴퓨터프로그램 Download PDFInfo
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- KR100571369B1 KR100571369B1 KR1020030085198A KR20030085198A KR100571369B1 KR 100571369 B1 KR100571369 B1 KR 100571369B1 KR 1020030085198 A KR1020030085198 A KR 1020030085198A KR 20030085198 A KR20030085198 A KR 20030085198A KR 100571369 B1 KR100571369 B1 KR 100571369B1
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- 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
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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
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/22—Masks or mask blanks for imaging by radiation of 100nm or shorter wavelength, e.g. X-ray masks, extreme ultraviolet [EUV] masks; Preparation thereof
- G03F1/24—Reflection masks; Preparation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- G—PHYSICS
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70283—Mask effects on the imaging process
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- G—PHYSICS
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
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Abstract
Description
BF시프트_V | BF시프트_H | IFT시프트_V | IFT시프트_H | |
피치 60㎚(D) | -5 | 10 | -0.5 | -0.5 |
피치 150㎚(I) | 5 | 20 | 8 | 8.5 |
BF시프트 | 조밀 (dense) | 이소 (iso) | IFT | 조밀 (dense) | 이소 (iso) | ||||
N | 6 | N | 6 | N | 6 | N | 6 | ||
Z5 | -25 | 40 | -25 | 40 | Z5 | 0 | 0.5 | -0.5 | 0 |
Z12 | -5 | 20 | 15 | -25 | Z12 | -1.5 | 1.5 | 6 | -5.5 |
Z9 | 20 | 5 | 55 | 60 | Z9 | -1.5 | -1.5 | 11 | 6.5 |
Z5(㎚) | Z9(㎚) | Z12(㎚) | 스타팅 포커스범위(㎚) | 생성된 포커스범위(㎚) | 스타팅 IFT 최대값 | BF 보정 후의 IFT 최대 | |
30㎚ | -0.26 | -0.24 | -0.07 | 25 | 0 | 8.5 | 7.3 |
50㎚ | -0.18 | -0.22 | -0.18 | 15 | 0 | 10.5 | 7.8 |
Z5(㎚) | Z9(㎚) | Z12(㎚) | 스타팅 포커스범위(㎚) | 생성된 포커스범위(㎚) | 스타팅 IFT 최대값 | BF 보정 후의 IFT 최대 | |
30㎚ | -0.4 | -0.55 | 0.11 | 25 | 25 | 8.5 | 4.3 |
50㎚ | -0.34 | -0.37 | -0.11 | 15 | 15 | 10.5 | 6.1 |
Claims (18)
- 디바이스제조방법에 있어서,- 적어도 부분적으로 방사선감응재층으로 덮힌 기판을 제공하는 단계;- 방사선시스템을 사용하여 방사선의 투영빔을 제공하는 단계;- 두꺼운 흡수재에 의하여 패턴이 그 위에 형성되는 반사마스크를 사용하여 상기 투영빔의 단면에 상기 패턴을 부여하는 단계;- 상기 방사선감응재층의 타겟부상으로 상기 방사선의 패터닝된 빔을 투영시키는 단계를 포함하여 이루어지고,- 상기 패터닝된 빔을 투영시키는 상기 단계에 사용되는 상기 투영시스템내의 시스템수차가 마스크-유도 묘화 가공물을 보상하도록 제어되거나 생성되는 것을 특징으로 하는 디바이스제조방법.
- 제1항에 있어서,상기 패턴에 대하여 상기 투영시스템내에서 달성되도록 최적의 수차들을 계산하는 단계를 더 포함하며, 상기 계산은 상기 투영하는 단계에서 사용될 1이상의 파라미터들을 고려하고, 상기 파라미터들은 마스크 입사각(MAI), 흡수재두께, 피처형태 및 NA/조명세팅을 포함하는 그룹으로터 선택되는 것을 특징으로 하는 디바이스제조방법.
- 제1항 또는 제2항에 있어서,상기 수차들은, 상기 패턴내에 나타나는 상이한 피처 형태들에 대한 1이상의 묘화 측정기준(imaging metric)의 값들이 서로에 대하여 보다 근접하게 되도록 유도되고 및/또는 제어되는 것을 특징으로 하는 디바이스제조방법.
- 제4항에 있어서,상기 1이상의 묘화 측정기준은, 최적 포커스 시프트, 이소포컬 경사, 임계치수, 임계치수균일성, 오버레이, 텔레센트리시티(telecentricity), 패턴비대칭, 피치선형성 및 이소-덴스(iso-dense) 바이어스를 포함하는 그룹으로부터 선택되는 것을 특징으로 하는 디바이스제조방법.
- 제4항에 있어서,상기 상이한 피처들은 상이한 밀도, 상이한 방위 및/또는 상이한 임계치수들을 가지는 것을 특징으로 하는 디바이스제조방법.
- 제4항에 있어서,상기 수차들은 상기 상이한 피처들에 대한 프로세스윈도우가 서로 보다 근접하게 되도록 도입되는 것을 특징으로 하는 디바이스제조방법.
- 제2항에 있어서,상기 계산하는 단계는,상이한 수차들에 대한 상기 패턴내의 상이한 피처들의 감응성을 결정하는 단계;결정된 상기 감응성을 이용하여 수차들의 최적의 조합을 결정하는 단계를 포함하는 것을 특징으로 하는 디바이스제조방법.
- 제9항에 있어서,상기 감응성은 수차들의 상이한 양 및/또는 조합으로 상기 상이한 피처들의 이미지들을 시뮬레이션함으로써 결정되는 것을 특징으로 하는 방법.
- 두꺼운 흡수재내에 마스크패턴을 구현시키는 반사마스크의 묘화를 최적화하도록 리소그래피장치의 투영시스템내에서 달성될 시스템 수차들을 결정하는 컴퓨터프로그램을 기록한 기록매체에 있어서,상기 프로그램이 컴퓨터시스템에서 수행되는 경우, 상기 프로그램은,상이한 수차들에 대한 상기 패턴내의 상이한 피처들의 감응성을 결정하는 단계;결정된 상기 감응성을 이용하여 수차들의 최적의 조합을 결정하는 단계를 실행하도록 컴퓨터에게 지시하는 코드수단을 포함하는 것을 특징으로 하는 컴퓨터프로그램을 기록한 기록매체.
- 제11항에 있어서,상기 코드수단은, 상기 감응성을 결정하는 단계를 달성하도록 수차들의 상이한 양 및/또는 조합으로 상기 상이한 피처들의 이미지들을 시뮬레이션하는 코드수단을 포함하는 것을 특징으로하는 컴퓨터프로그램을 기록한 기록매체.
- 제11항 또는 제12항에 있어서,상기 코드수단은, 상기 패턴내에 나타나는 상이한 피처 형태들에 대한 1이상의 묘화 측정기준의 값들이 서로에 대하여 보다 근접하게 되도록 달성되어야 할 최적의 수차들을 결정하기에 적합한 것을 특징으로 하는 컴퓨터프로그램을 기록한 기록매체.
- 제13항에 있어서,상기 1이상의 묘화 측정기준은, 최적 포커스 시프트, 이소포컬 경사, 임계치수, 임계치수균일성, 오버레이, 텔레센트리시티, 패턴비대칭, 피치선형성 및 이소-덴스 바이어스를 포함하는 그룹으로부터 선택되는 것을 특징으로 하는 컴퓨터프로그램을 기록한 기록매체.
- 제13항에 있어서,상기 상이한 피처들은 조밀한 및 고립된 라인들, 및/또는 수평 및 수직 라인들, 및/또는 상이한 폭의 라인들인 것을 특징으로 하는 컴퓨터프로그램을 기록한 기록매체.
- 제11항 또는 제12항에 있어서,상기 코드수단은 상이한 피처들에 대하여 프로세스 윈도우가 서로 보다 근접하게 되도록 수행되는 최적의 수차들을 결정하는 데 적합한 것을 특징으로 하는 컴퓨터프로그램을 기록한 기록매체.
- 두꺼운 흡수재내에 마스크패턴을 구현시키는 반사마스크의 묘화를 최적화하도록 리소그래피장치의 투영시스템내의 시스템 수차들을 달성시키는 상기 리소그래피투영장치를 제어하는 컴퓨터프로그램을 기록한 기록매체.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02258208 | 2002-11-28 | ||
EP02258208.4 | 2002-11-28 |
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Publication Number | Publication Date |
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KR20040047703A KR20040047703A (ko) | 2004-06-05 |
KR100571369B1 true KR100571369B1 (ko) | 2006-04-14 |
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KR1020030085198A Expired - Fee Related KR100571369B1 (ko) | 2002-11-28 | 2003-11-27 | 디바이스제조방법 및 컴퓨터프로그램 |
Country Status (7)
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US (1) | US7042550B2 (ko) |
JP (1) | JP4204959B2 (ko) |
KR (1) | KR100571369B1 (ko) |
CN (1) | CN1530747A (ko) |
DE (1) | DE60321883D1 (ko) |
SG (1) | SG135931A1 (ko) |
TW (1) | TWI257532B (ko) |
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Publication number | Priority date | Publication date | Assignee | Title |
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2003
- 2003-11-20 US US10/716,939 patent/US7042550B2/en not_active Expired - Fee Related
- 2003-11-24 SG SG200306869-9A patent/SG135931A1/en unknown
- 2003-11-25 DE DE60321883T patent/DE60321883D1/de not_active Expired - Fee Related
- 2003-11-26 TW TW092133175A patent/TWI257532B/zh not_active IP Right Cessation
- 2003-11-27 KR KR1020030085198A patent/KR100571369B1/ko not_active Expired - Fee Related
- 2003-11-27 CN CNA2003101246710A patent/CN1530747A/zh active Pending
- 2003-11-27 JP JP2003397604A patent/JP4204959B2/ja not_active Expired - Fee Related
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TW200426522A (en) | 2004-12-01 |
US20040137677A1 (en) | 2004-07-15 |
KR20040047703A (ko) | 2004-06-05 |
US7042550B2 (en) | 2006-05-09 |
SG135931A1 (en) | 2007-10-29 |
TWI257532B (en) | 2006-07-01 |
CN1530747A (zh) | 2004-09-22 |
JP2004179663A (ja) | 2004-06-24 |
JP4204959B2 (ja) | 2009-01-07 |
DE60321883D1 (de) | 2008-08-14 |
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