KR101056142B1 - 레티클 설계 데이터의 결함을 검출하기 위한 컴퓨터로구현되는 방법 - Google Patents
레티클 설계 데이터의 결함을 검출하기 위한 컴퓨터로구현되는 방법 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
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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
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
- G03F1/82—Auxiliary processes, e.g. cleaning or inspecting
- G03F1/84—Inspecting
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- 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
- 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
- G03F1/36—Masks having proximity correction features; Preparation thereof, e.g. optical proximity correction [OPC] design processes
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70425—Imaging strategies, e.g. for increasing throughput or resolution, printing product fields larger than the image field or compensating lithography- or non-lithography errors, e.g. proximity correction, mix-and-match, stitching or double patterning
- G03F7/70433—Layout for increasing efficiency or for compensating imaging errors, e.g. layout of exposure fields for reducing focus errors; Use of mask features for increasing efficiency or for compensating imaging errors
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- 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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70425—Imaging strategies, e.g. for increasing throughput or resolution, printing product fields larger than the image field or compensating lithography- or non-lithography errors, e.g. proximity correction, mix-and-match, stitching or double patterning
- G03F7/70433—Layout for increasing efficiency or for compensating imaging errors, e.g. layout of exposure fields for reducing focus errors; Use of mask features for increasing efficiency or for compensating imaging errors
- G03F7/70441—Optical proximity correction [OPC]
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70491—Information management, e.g. software; Active and passive control, e.g. details of controlling exposure processes or exposure tool monitoring processes
- G03F7/705—Modelling or simulating from physical phenomena up to complete wafer processes or whole workflow in wafer productions
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70491—Information management, e.g. software; Active and passive control, e.g. details of controlling exposure processes or exposure tool monitoring processes
- G03F7/70533—Controlling abnormal operating mode, e.g. taking account of waiting time, decision to rework or rework flow
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70616—Monitoring the printed patterns
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70616—Monitoring the printed patterns
- G03F7/7065—Defects, e.g. optical inspection of patterned layer for defects
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70605—Workpiece metrology
- G03F7/70653—Metrology techniques
- G03F7/70666—Aerial image, i.e. measuring the image of the patterned exposure light at the image plane of the projection system
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
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Abstract
Description
Claims (23)
- 레티클 설계 데이터의 결함을 검출하기 위한 컴퓨터로 구현되는 방법에 있어서,레티클 제조 공정을 통해 레티클 설계 데이터가 레티클에 어떻게 프린트될지를 나타내는 제1시뮬레이션 이미지를 생성하는 단계;상기 제1시뮬레이션 이미지를 이용하여, 웨이퍼 프린팅 공정의 하나 이상의 매개변수의 상이한 수치로 레티클이 웨이퍼에 어떻게 프린트될지를 나타내는 제2시뮬레이션 이미지를 생성하는 단계;상이한 수치의 함수로서 상기 제2시뮬레이션 이미지의 특성의 변화율을 측정하는 단계; 및,상기 변화율에 기초하여 레티클 설계의 결함을 검출하는 단계;를 포함하는 방법.
- 제1항에 있어서,상기 검출 단계는 레티클 설계 데이터 내의 결함을 검출하기 위해 상기 변화율과 상기 제2시뮬레이션 이미지를 함께 이용하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 제1시뮬레이션 이미지 및 상기 제2시뮬레이션 이미지는 레티클 설계 데이터로 형성되는 완전한 칩의 시뮬레이션 이미지를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 레티클 설계 데이터는 분석향상기술 특성 데이터에 의해 수정된 집적회로 설계 데이터를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 상이한 수치는 웨이퍼 프린팅 공정의 하나 이상의 매개변수에 대한 미리 정해진 공정 윈도우에 놓여지는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 검출 단계의 결과에 기초하여 웨이퍼 프린팅 공정에 대한 공정 윈도우를 결정하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 결함 중 적어도 하나의 결함이 제2시뮬레이션 이미지에 나타나는 상이한 수치를 측정하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,레티클의 다른 영역에서 결함이 나타나는 상이한 수치보다 웨이퍼 프린팅 공정의 하나 이상의 매개변수에 대한 명목상 수치에 더 가까운 상이한 수치에서 결함이 나타나는 레티클 설계 데이터 내의 영역을 결정하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 검출 단계의 결과에 기초하여 레티클 설계 데이터를 변경하는 단계를 더 포함하며, 상기 변경 단계는 레티클 설계 데이터의 분석향상기술 특성 데이터를 변경하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 검출 단계의 결과에 기초하여 레티클에 대한 검사 공정을 생성하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 검출 단계의 결과에 기초하여 웨이퍼에 대한 검사 공정을 생성하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 검출 단계에 이어 레티클을 제조하는 단계와, 상기 레티클을 검사하는 단계, 및 상기 검출 단계와 검사 단계의 결과에 기초하여 웨이퍼에 대한 검사 공정을 생성하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 검출 단계에 이어 레티클을 제조하는 단계와, 상기 레티클을 검사하는 단계, 및 상기 검출 단계의 결과, 검사 단계의 결과, 레티클 설계 데이터의 설계자에 의해 생성된 임계 특성 데이터 또는 이들을 조합한 것에 기초하여 웨이퍼에 대해 검사 공정을 생성하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,레티클 설계 데이터 내의 제2영역보다 결함을 가지고 프린트될 가능성이 더 큰 레티클 설계 데이터 내의 제1영역을 식별하는 단계와, 상기 식별 단계의 결과에 기초하여 레티클로 프린트될 웨이퍼에 대한 공정 제어 방법을 생성하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,레티클 설계 데이터 내의 제2영역보다 결함을 가지고 프린트될 가능성이 더 큰 레티클 설계 데이터 내의 제1영역을 식별하는 단계와, 상기 식별 단계에 기초하여 레티클 설계 데이터를 변경하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 레티클 제조 공정을 통해 레티클 설계 데이터가 레티클에 어떻게 프린트될지를 나타내는 제1시뮬레이션 이미지를 생성하고;상기 제1시뮬레이션 이미지를 이용하여, 웨이퍼 프린팅 공정의 하나 이상의 매개변수의 상이한 수치로 레티클이 웨이퍼에 어떻게 프린트될지를 나타내는 제2시뮬레이션 이미지를 생성하고;상이한 수치의 함수로서 상기 제2시뮬레이션 이미지의 특성의 변화율을 측정하고;상기 변화율에 기초하여 레티클 설계의 결함을 검출하도록; 구성된 시뮬레이션 엔진.
- 레티클에 프린트된 레티클 설계 데이터의 결함을 검출하기 위한 컴퓨터로 구현되는 방법에 있어서,웨이퍼 프린팅 공정의 하나 이상의 매개변수의 상이한 수치로 웨이퍼에 레티클의 이미지를 프린팅하는 단계;상이한 수치의 함수로서 이미지의 특성의 변화율을 측정하는 단계; 및,상기 변화율에 기초하여 레티클 설계 데이터 내의 결함을 검출하는 단계;를 포함하는 방법.
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US54003104P | 2004-01-29 | 2004-01-29 | |
US60/540,031 | 2004-01-29 | ||
PCT/US2005/002955 WO2005073807A1 (en) | 2004-01-29 | 2005-01-31 | Computer-implemented methods for detecting defects in reticle design data |
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KR20060131860A KR20060131860A (ko) | 2006-12-20 |
KR101056142B1 true KR101056142B1 (ko) | 2011-08-10 |
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JP (1) | JP4758358B2 (ko) |
KR (1) | KR101056142B1 (ko) |
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JP2001331784A (ja) * | 2000-05-18 | 2001-11-30 | Hitachi Ltd | 欠陥分類方法及びその装置 |
JP4758358B2 (ja) | 2004-01-29 | 2011-08-24 | ケーエルエー−テンカー コーポレイション | レチクル設計データにおける欠陥を検出するためのコンピュータに実装される方法 |
US9188974B1 (en) | 2004-02-13 | 2015-11-17 | Kla-Tencor Technologies Corp. | Methods for improved monitor and control of lithography processes |
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US20060236294A1 (en) | 2006-10-19 |
JP4758358B2 (ja) | 2011-08-24 |
US20060161452A1 (en) | 2006-07-20 |
WO2005073807A1 (en) | 2005-08-11 |
KR20060131860A (ko) | 2006-12-20 |
US7646906B2 (en) | 2010-01-12 |
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