KR0170909B1 - 반도체 소자의 오버레이 검사방법 - Google Patents
반도체 소자의 오버레이 검사방법 Download PDFInfo
- Publication number
- KR0170909B1 KR0170909B1 KR1019950032088A KR19950032088A KR0170909B1 KR 0170909 B1 KR0170909 B1 KR 0170909B1 KR 1019950032088 A KR1019950032088 A KR 1019950032088A KR 19950032088 A KR19950032088 A KR 19950032088A KR 0170909 B1 KR0170909 B1 KR 0170909B1
- Authority
- KR
- South Korea
- Prior art keywords
- overlay
- mark
- value
- semiconductor device
- inspection method
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 239000004065 semiconductor Substances 0.000 title claims abstract description 41
- 238000005259 measurement Methods 0.000 claims abstract description 45
- 238000012937 correction Methods 0.000 claims abstract description 12
- 238000007689 inspection Methods 0.000 claims description 15
- 229920002120 photoresistant polymer Polymers 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 238000012935 Averaging Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 18
- 239000000758 substrate Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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
- 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
- G03F7/70633—Overlay, i.e. relative alignment between patterns printed by separate exposures in different layers, or in the same layer in multiple exposures or stitching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/30—Structural arrangements specially adapted for testing or measuring during manufacture or treatment, or specially adapted for reliability measurements
- H01L22/34—Circuits for electrically characterising or monitoring manufacturing processes, e. g. whole test die, wafers filled with test structures, on-board-devices incorporated on each die, process control monitors or pad structures thereof, devices in scribe line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/544—Marks applied to semiconductor devices or parts, e.g. registration marks, alignment structures, wafer maps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2223/00—Details relating to semiconductor or other solid state devices covered by the group H01L23/00
- H01L2223/544—Marks applied to semiconductor devices or parts
- H01L2223/54453—Marks applied to semiconductor devices or parts for use prior to dicing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Automation & Control Theory (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
Description
Claims (6)
- 반도체 웨이퍼상에 피식각층 패턴으로된 사각 링 형상의 외측 마크를 형성하는 공정과, 상기 외측 마크의 내측에 사각 형상으로 형성되는 섬부분과, 상기 섬부분과 소정 간격 만큼 이격되어 전표면에 형성된 감광막 패턴으로 형성되는 랜드 부분을 갖는 부분으로 구성되는 내측 마크를 형성하되, 일측으로 기울어지게 형성하는 공정과, 상기 구조의 오버레이 측정 마크를 검사하여 상기 내측 마크의 섬부분에서의 하부 양측변으로 측정되는 값(12a,12d)과 랜드 부분에서의 하부 양측변으로 측정되는 값(13b,13c)를 구하여 평균값 (|12a-13b|+|12d-13c|)/2를 구하여 오버레이 측정장치의 측정치에서 이값 만큼 보정된 좌표를 내측 마크의 좌표값으로하여 오버레이 정렬을 실시하는 공정을 구비하는 반도체 소자의 오버레이 검사 방법.
- 제1항에 있어서, 상기 내측 마크의 섬부분과 랜드 부분의 간격이 0.05μm∼2μm인 것을 특징으로하는 반도체 소자의 오버레이 검사 방법.
- 제1항에 있어서, 상기 내측 마크의 섬부분과 랜드 부분의 간격이 사용되는 축소 노광장치의 광원의 파장(λ) 보다 1∼15배 크게 형성하는 것을 특징으로하는 반도체 소자의 오버레이 검사 방법.
- 제1항에 있어서, 상기 오버레이 측정 마크를 사용한 보정값 계산을 외측 마크의 이미지 위치 정보(X1,Y1)와, 내측 마크의 2개의 위치 정보(X2,Y2), (X3,Y3)를 구하고, (X2,Y2) 및 (X3,Y3)의 평균치((X2+X3)/2, (Y2+Y3)/2))을 계산하고, (X1,Y1)과의 오정렬된 값(δx,δy)을 δx=(X2+X3)/2-X1및 δy=(Y2+Y3)/2-Y1으로 계산하는 것을 특징으로하는 반도체 소자의 오버레이 검사 방법.
- 제1항에 있어서, 상기 내측 마크를 네가티브 감광막으로 형성하는 경우 감광막 패턴의 쓰러짐을 방지하기 위하여 상기 링부분을 1μm 이상의 크기로 형성하는 것을 특징으로하는 반도체 소자의 오버레이 검사 방법.
- 제1항에 있어서, 상기 내측 마크를 피식각층 패턴으로 형성하고, 외측 마크를 섬 부분과 랜드 부분으로 형성하는 것을 특징으로하는 반도체 소자의 오버레이 검사 방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950032088A KR0170909B1 (ko) | 1995-09-27 | 1995-09-27 | 반도체 소자의 오버레이 검사방법 |
US08/719,069 US5766809A (en) | 1995-09-27 | 1996-09-24 | Method for testing overlay in a semiconductor device utilizing inclined measuring mark |
TW085111662A TW374219B (en) | 1995-09-27 | 1996-09-24 | Method for testing overlay occurring in a semiconductor device |
JP8254850A JP2987112B2 (ja) | 1995-09-27 | 1996-09-26 | 半導体素子のオーバレイ検査方法 |
GB9620268A GB2305778B (en) | 1995-09-27 | 1996-09-27 | Method for testing overlay occurring in a semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950032088A KR0170909B1 (ko) | 1995-09-27 | 1995-09-27 | 반도체 소자의 오버레이 검사방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970018318A KR970018318A (ko) | 1997-04-30 |
KR0170909B1 true KR0170909B1 (ko) | 1999-03-30 |
Family
ID=19427983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950032088A Expired - Fee Related KR0170909B1 (ko) | 1995-09-27 | 1995-09-27 | 반도체 소자의 오버레이 검사방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5766809A (ko) |
JP (1) | JP2987112B2 (ko) |
KR (1) | KR0170909B1 (ko) |
GB (1) | GB2305778B (ko) |
TW (1) | TW374219B (ko) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19652974A1 (de) * | 1996-12-19 | 1998-06-25 | Alsthom Cge Alcatel | Verfahren zur Kontrolle der Genauigkeit beim mehrstufigen Ätzen |
KR100268426B1 (ko) * | 1998-05-07 | 2000-11-01 | 윤종용 | 반도체 장치의 제조 방법 |
JPH11329923A (ja) * | 1998-05-11 | 1999-11-30 | Sony Corp | 半導体装置の製造方法 |
US6330355B1 (en) | 1999-04-01 | 2001-12-11 | Taiwan Semiconductor Manufacturing Company | Frame layout to monitor overlay performance of chip composed of multi-exposure images |
KR100437823B1 (ko) * | 2000-02-21 | 2004-06-26 | 주식회사 하이닉스반도체 | 정렬도 측정용 오버레이 패턴 |
US6484060B1 (en) | 2000-03-24 | 2002-11-19 | Micron Technology, Inc. | Layout for measurement of overlay error |
US6462818B1 (en) | 2000-06-22 | 2002-10-08 | Kla-Tencor Corporation | Overlay alignment mark design |
US7068833B1 (en) | 2000-08-30 | 2006-06-27 | Kla-Tencor Corporation | Overlay marks, methods of overlay mark design and methods of overlay measurements |
US7541201B2 (en) | 2000-08-30 | 2009-06-02 | Kla-Tencor Technologies Corporation | Apparatus and methods for determining overlay of structures having rotational or mirror symmetry |
US6486954B1 (en) | 2000-09-01 | 2002-11-26 | Kla-Tencor Technologies Corporation | Overlay alignment measurement mark |
KR100811964B1 (ko) * | 2000-09-28 | 2008-03-10 | 동경 엘렉트론 주식회사 | 레지스트 패턴 형성장치 및 그 방법 |
US6552790B1 (en) | 2001-02-20 | 2003-04-22 | Advanced Micro Devices, Inc. | System and method for facilitating wafer alignment by mitigating effects of reticle rotation on overlay |
US7804994B2 (en) * | 2002-02-15 | 2010-09-28 | Kla-Tencor Technologies Corporation | Overlay metrology and control method |
US20040227944A1 (en) * | 2003-02-28 | 2004-11-18 | Nikon Corporation | Mark position detection apparatus |
US7075639B2 (en) | 2003-04-25 | 2006-07-11 | Kla-Tencor Technologies Corporation | Method and mark for metrology of phase errors on phase shift masks |
US7608468B1 (en) * | 2003-07-02 | 2009-10-27 | Kla-Tencor Technologies, Corp. | Apparatus and methods for determining overlay and uses of same |
US7346878B1 (en) | 2003-07-02 | 2008-03-18 | Kla-Tencor Technologies Corporation | Apparatus and methods for providing in-chip microtargets for metrology or inspection |
US7218399B2 (en) * | 2004-01-21 | 2007-05-15 | Nikon Corporation | Method and apparatus for measuring optical overlay deviation |
KR100577568B1 (ko) * | 2004-10-07 | 2006-05-08 | 삼성전자주식회사 | 오버레이 측정방법 및 그에 사용되는 오버레이 마크 |
US7557921B1 (en) | 2005-01-14 | 2009-07-07 | Kla-Tencor Technologies Corporation | Apparatus and methods for optically monitoring the fidelity of patterns produced by photolitographic tools |
US9927718B2 (en) | 2010-08-03 | 2018-03-27 | Kla-Tencor Corporation | Multi-layer overlay metrology target and complimentary overlay metrology measurement systems |
DE202010013237U1 (de) | 2010-12-30 | 2011-05-26 | Lian Li Industrial Co., Ltd. | Kabelhalter |
US10890436B2 (en) | 2011-07-19 | 2021-01-12 | Kla Corporation | Overlay targets with orthogonal underlayer dummyfill |
CN104777723B (zh) * | 2015-04-20 | 2018-06-01 | 武汉新芯集成电路制造有限公司 | 套刻对准标记及套刻测量方法 |
US10451412B2 (en) | 2016-04-22 | 2019-10-22 | Kla-Tencor Corporation | Apparatus and methods for detecting overlay errors using scatterometry |
DE102018130769B3 (de) | 2018-12-04 | 2020-03-26 | August Strecker GmbH & Co KG, Elektro-Schweißmaschinen-Fabrik | Vorrichtung und Verfahren zum Stumpfschweißen von Werkstücken |
US11152270B2 (en) * | 2019-12-01 | 2021-10-19 | Winbond Electronics Corp. | Monitoring structure for critical dimension of lithography process |
CN113257704B (zh) * | 2021-06-17 | 2021-10-19 | 绍兴中芯集成电路制造股份有限公司 | 套刻精度的检测方法及其检测结构 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59224123A (ja) * | 1983-05-20 | 1984-12-17 | Oki Electric Ind Co Ltd | ウエハアライメントマ−ク |
US5280437A (en) * | 1991-06-28 | 1994-01-18 | Digital Equipment Corporation | Structure and method for direct calibration of registration measurement systems to actual semiconductor wafer process topography |
US5438413A (en) * | 1993-03-03 | 1995-08-01 | Kla Instruments Corporation | Process for measuring overlay misregistration during semiconductor wafer fabrication |
KR960014963B1 (ko) * | 1993-10-15 | 1996-10-23 | 현대전자산업 주식회사 | 반도체 장치의 제조 방법 |
KR970010666B1 (ko) * | 1993-12-27 | 1997-06-30 | 현대전자산업 주식회사 | 반도체 소자의 패턴 중첩오차 측정방법 |
-
1995
- 1995-09-27 KR KR1019950032088A patent/KR0170909B1/ko not_active Expired - Fee Related
-
1996
- 1996-09-24 TW TW085111662A patent/TW374219B/zh not_active IP Right Cessation
- 1996-09-24 US US08/719,069 patent/US5766809A/en not_active Expired - Lifetime
- 1996-09-26 JP JP8254850A patent/JP2987112B2/ja not_active Expired - Fee Related
- 1996-09-27 GB GB9620268A patent/GB2305778B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2305778B (en) | 2000-06-14 |
US5766809A (en) | 1998-06-16 |
TW374219B (en) | 1999-11-11 |
GB9620268D0 (en) | 1996-11-13 |
KR970018318A (ko) | 1997-04-30 |
JP2987112B2 (ja) | 1999-12-06 |
JPH09148243A (ja) | 1997-06-06 |
GB2305778A (en) | 1997-04-16 |
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