KR101030457B1 - 불변 모멘트를 이용한 정렬 마크 검출 방법 및 그 장치 - Google Patents
불변 모멘트를 이용한 정렬 마크 검출 방법 및 그 장치 Download PDFInfo
- Publication number
- KR101030457B1 KR101030457B1 KR1020080134751A KR20080134751A KR101030457B1 KR 101030457 B1 KR101030457 B1 KR 101030457B1 KR 1020080134751 A KR1020080134751 A KR 1020080134751A KR 20080134751 A KR20080134751 A KR 20080134751A KR 101030457 B1 KR101030457 B1 KR 101030457B1
- Authority
- KR
- South Korea
- Prior art keywords
- image
- alignment mark
- moment
- constant moment
- wafer
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000003384 imaging method Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 14
- 238000000609 electron-beam lithography Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000009467 reduction Effects 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004422 calculation algorithm Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000004148 unit process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007635 classification algorithm Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000005389 semiconductor device fabrication Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
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
- G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
- G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
- G03F9/7088—Alignment mark detection, e.g. TTR, TTL, off-axis detection, array detector, video detection
-
- 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
- G03F7/70691—Handling of masks or workpieces
- G03F7/70716—Stages
-
- 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
- G03F7/70691—Handling of masks or workpieces
- G03F7/70758—Drive means, e.g. actuators, motors for long- or short-stroke modules or fine or coarse driving
-
- 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
- G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
- G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
- G03F9/7073—Alignment marks and their environment
- G03F9/7076—Mark details, e.g. phase grating mark, temporary mark
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
- H01L21/681—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment using optical controlling means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
Description
Claims (14)
- 정렬 마크 검출 장치가 불변 모멘트를 이용하여 웨이퍼의 정렬 마크 위치를 검출하는 방법에 있어서,웨이퍼의 특정 지점에 대한 이미지를 이용하여 특정 불변 모멘트를 산출하는 단계;상기 특정 불변 모멘트를 정렬 마크의 이미지로부터 미리 산출되어 저장된 기준 불변 모멘트와 비교하는 단계-여기서, 상기 기준 불변 모멘트는 상기 정렬 마크의 이미지로부터 복수번 산출된 불변 모멘트의 평균값임-; 및상기 비교 결과 상기 특정 불변 모멘트가 상기 기준 불변 모멘트와 소정의 오차 범위내에 있는 경우 상기 특정 불변 모멘트가 상기 기준 불변 모멘트와 동일하다고 판단하여, 상기 웨이퍼의 특정 지점을 상기 정렬 마크의 위치로 설정하는 단계를 포함하는 불변 모멘트를 이용한 정렬 마크 검출 방법.
- 삭제
- 삭제
- 제1항에 있어서,상기 특정 불변 모멘트 산출 단계는,상기 웨이퍼의 특정 지점에 대한 이미지에 이산 푸리에 변환을 적용하는 단계;상기 웨이퍼의 특정 지점에 대한 이미지에 가우시안 하이 패스 필터를 적용하는 단계;상기 이산 푸리에 변환과 상기 가우시안 하이 패스 필터의 결과값을 이용하여 필터링된 이미지를 산출하는 단계; 및상기 필터링된 이미지를 이용하여 상기 특정 불변 모멘트를 산출하는 단계를 더 포함하는 불변 모멘트를 이용한 정렬 마크 검출 방법.
- 제1항에 있어서,상기 정렬 마크는 나노 스케일인 것을 특징으로 하는 불변 모멘트를 이용한 정렬 마크 검출 방법.
- 웨이퍼를 지지하며 상기 웨이퍼를 이동시키는 구동부;상기 웨이퍼의 특정 지점에 대한 이미지를 촬상하는 촬상부;상기 촬상된 상기 웨이퍼의 이미지를 이용하여 특정 불변 모멘트를 산출하는 불변 모멘트 산출부;상기 특정 불변 모멘트를 정렬 마크의 이미지로부터 미리 산출되어 저장된 기준 불변 모멘트와 비교하는 불변 모멘트 비교부-여기서, 상기 기준 불변 모멘트는 상기 정렬 마크의 이미지로부터 복수번 산출된 불변 모멘트의 평균값임-; 및상기 비교 결과 상기 특정 불변 모멘트가 상기 기준 불변 모멘트와 소정의 오차 범위내에 있는 경우 상기 특정 불변 모멘트가 상기 기준 불변 모멘트와 동일하다고 판단하여, 상기 웨이퍼의 특정 지점을 상기 정렬 마크의 위치로 설정하는 위치 제어부를 포함하는 불변 모멘트를 이용한 정렬 마크 검출 장치.
- 삭제
- 삭제
- 제8항에 있어서,상기 불변 모멘트 산출부는,상기 웨이퍼의 특정 지점에 대한 이미지에 이산 푸리에 변환과 가우시안 하이 패스 필터를 적용하고, 상기 이산 푸리에 변환과 상기 가우시안 하이 패스 필터의 결과값을 이용하여 필터링된 이미지를 산출한 후 상기 필터링된 이미지를 이용하여 상기 특정 불변 모멘트를 산출하는 것을 특징으로 하는 불변 모멘트를 이용한 정렬 마크 검출 장치.
- 제8항에 있어서,상기 정렬 마크는 나노 스케일인 것을 특징으로 하는 불변 모멘트를 이용한 정렬 마크 검출 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080134751A KR101030457B1 (ko) | 2008-12-26 | 2008-12-26 | 불변 모멘트를 이용한 정렬 마크 검출 방법 및 그 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080134751A KR101030457B1 (ko) | 2008-12-26 | 2008-12-26 | 불변 모멘트를 이용한 정렬 마크 검출 방법 및 그 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100076637A KR20100076637A (ko) | 2010-07-06 |
KR101030457B1 true KR101030457B1 (ko) | 2011-04-25 |
Family
ID=42638329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080134751A KR101030457B1 (ko) | 2008-12-26 | 2008-12-26 | 불변 모멘트를 이용한 정렬 마크 검출 방법 및 그 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101030457B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002353099A (ja) | 2001-05-22 | 2002-12-06 | Canon Inc | 位置検出方法及び装置及び露光装置及びデバイス製造方法 |
JP2002353088A (ja) | 2001-05-22 | 2002-12-06 | Canon Inc | 位置検出方法及び位置検出装置 |
JP2004212252A (ja) | 2003-01-06 | 2004-07-29 | Nikon Corp | マーク位置検出装置、マーク位置検出方法、重ね合わせ測定装置、および、重ね合わせ測定方法 |
-
2008
- 2008-12-26 KR KR1020080134751A patent/KR101030457B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002353099A (ja) | 2001-05-22 | 2002-12-06 | Canon Inc | 位置検出方法及び装置及び露光装置及びデバイス製造方法 |
JP2002353088A (ja) | 2001-05-22 | 2002-12-06 | Canon Inc | 位置検出方法及び位置検出装置 |
JP2004212252A (ja) | 2003-01-06 | 2004-07-29 | Nikon Corp | マーク位置検出装置、マーク位置検出方法、重ね合わせ測定装置、および、重ね合わせ測定方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20100076637A (ko) | 2010-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8538130B2 (en) | CD metrology system and method of classifying similar structural elements | |
KR101828124B1 (ko) | 패턴 평가 방법 및 패턴 평가 장치 | |
KR102476927B1 (ko) | 이상치 검출을 통한 특성 선택 및 자동 프로세스 윈도우 모니터링 | |
US7197178B2 (en) | Photoresist edge bead removal measurement | |
US10192304B2 (en) | Method for measuring pattern width deviation, and pattern inspection apparatus | |
JP2013542404A (ja) | 領域ベースの仮想フーリエ・フィルタ | |
KR102415589B1 (ko) | 검사 장치 및 검사 방법 | |
JP2012059984A (ja) | マスク検査装置及び露光用マスク製造装置 | |
US20140307256A1 (en) | Process compatible segmented targets and design methods | |
CN117274148B (zh) | 基于深度学习的无监督晶圆缺陷检测方法 | |
CN108335990A (zh) | 一种定位工艺缺陷的方法及装置 | |
Vaid et al. | Hybrid metrology solution for 1X-node technology | |
KR101030457B1 (ko) | 불변 모멘트를 이용한 정렬 마크 검출 방법 및 그 장치 | |
CN117115194B (zh) | 基于电子显微镜图像的轮廓提取方法、装置、设备及介质 | |
JP2005285898A (ja) | パターン画像判定方法及びその方法を用いたパターン画像判定装置 | |
US10901327B2 (en) | Automatic defect analyzer for nanoimprint lithography using image analysis | |
CN115628685B (zh) | 关键尺寸的测量方法、设备及关键尺寸的分级定位方法 | |
CN117292164A (zh) | 检查半导体样本中形成的孔 | |
US20230114624A1 (en) | Defect examination on a semiconductor specimen | |
CN109683449B (zh) | 评价方法、确定方法、光刻装置和非暂时性计算机可读存储介质 | |
JP2023036532A (ja) | 半導体試料における局所的形状偏差 | |
KR102688381B1 (ko) | 반도체 디바이스 제조 방법 및 반도체 제조 어셈블리를 위한 공정 제어 시스템 | |
US11995848B2 (en) | Image generation for examination of a semiconductor specimen | |
JP2006171816A (ja) | 画像処理装置 | |
US20220270212A1 (en) | Methods for improving optical inspection and metrology image quality using chip design data |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20081226 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20100913 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20110125 |
|
N231 | Notification of change of applicant | ||
PN2301 | Change of applicant |
Patent event date: 20110406 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20110414 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20110415 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20150309 |