KR20090044531A - 광학 근접 보정 방법 - Google Patents
광학 근접 보정 방법 Download PDFInfo
- Publication number
- KR20090044531A KR20090044531A KR1020070110666A KR20070110666A KR20090044531A KR 20090044531 A KR20090044531 A KR 20090044531A KR 1020070110666 A KR1020070110666 A KR 1020070110666A KR 20070110666 A KR20070110666 A KR 20070110666A KR 20090044531 A KR20090044531 A KR 20090044531A
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- KR
- South Korea
- Prior art keywords
- opc
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- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000003287 optical effect Effects 0.000 title claims description 16
- 238000012937 correction Methods 0.000 title claims description 13
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 238000004088 simulation Methods 0.000 claims description 11
- 229920002120 photoresistant polymer Polymers 0.000 claims description 6
- 238000012795 verification Methods 0.000 claims description 3
- 238000005530 etching Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
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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
- 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
- G03F7/70441—Optical proximity correction [OPC]
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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
- G03F7/705—Modelling or simulating from physical phenomena up to complete wafer processes or whole workflow in wafer productions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Abstract
Description
Claims (3)
- 목표 패턴 레이아웃을 설계하는 단계;상기 목표 패턴 레이아웃을 웨이퍼 상으로 전사하여 감광막 패턴을 형성하는 과정에 대한 모델링 변수를 추출하여 교정에 의해 시뮬레이션 모델을 도입하는 단계;시뮬레이션 모델을 검증(Model Based Verification; MBV)하는 단계;목표 윤곽선(contour)과 검증한 모델 윤곽선의 변위 차와 방향성에 대한 변수를 추출하는 단계;상기 변수를 대입하여 광학 근접 보정(OPC) 룰을 형성하는 단계; 및상기 광학 근접 보정(OPC) 룰을 반영하여 레이아웃을 자동 광학 근접 보정(automatic OPC)하는 단계를 포함하는 광학 근접 보정 방법.
- 제 1 항에 있어서, 상기 시뮬레이션 모델을 도입하는 단계는상기 목표 패턴 레이아웃을 실제 웨이퍼 상에 전사하여 상기 감광막 패턴을 형성하는 과정에 대한 모델링 변수를 추출하는 단계; 및상기 모델링 변수를 대입하여 교정(calibration)하는 단계를 포함하는 것을 특징으로 하는 광학 근접 보정 방법.
- 제 1 항에 있어서,상기 변수를 추출하는 단계는 상기 모델 윤곽선의 중심을 기준으로 하여 임의의 방향에서 상기 목표 윤곽선과 상기 모델 윤곽선의 이격 거리의 차이를 추출하는 것을 특징으로 하는 광학 근접 보정 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070110666A KR100997302B1 (ko) | 2007-10-31 | 2007-10-31 | 광학 근접 보정 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070110666A KR100997302B1 (ko) | 2007-10-31 | 2007-10-31 | 광학 근접 보정 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090044531A true KR20090044531A (ko) | 2009-05-07 |
KR100997302B1 KR100997302B1 (ko) | 2010-11-29 |
Family
ID=40855081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070110666A Expired - Fee Related KR100997302B1 (ko) | 2007-10-31 | 2007-10-31 | 광학 근접 보정 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100997302B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104898367A (zh) * | 2015-05-15 | 2015-09-09 | 上海集成电路研发中心有限公司 | 一种提高通孔工艺窗口的opc修正方法 |
WO2021061277A1 (en) * | 2019-09-23 | 2021-04-01 | Applied Materials, Inc. | Lithography simulation and optical proximity correction |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004157160A (ja) | 2002-11-01 | 2004-06-03 | Sony Corp | プロセスモデル作成方法、マスクパターン設計方法、マスクおよび半導体装置の製造方法 |
JP4528558B2 (ja) | 2004-05-28 | 2010-08-18 | 株式会社東芝 | パターンのデータ作成方法、及びパターン検証手法 |
-
2007
- 2007-10-31 KR KR1020070110666A patent/KR100997302B1/ko not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104898367A (zh) * | 2015-05-15 | 2015-09-09 | 上海集成电路研发中心有限公司 | 一种提高通孔工艺窗口的opc修正方法 |
WO2021061277A1 (en) * | 2019-09-23 | 2021-04-01 | Applied Materials, Inc. | Lithography simulation and optical proximity correction |
Also Published As
Publication number | Publication date |
---|---|
KR100997302B1 (ko) | 2010-11-29 |
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