JP6853843B2 - リソグラフィマスクのフォーカス位置を決定する方法及びそのような方法を実行するための計測系 - Google Patents
リソグラフィマスクのフォーカス位置を決定する方法及びそのような方法を実行するための計測系 Download PDFInfo
- Publication number
- JP6853843B2 JP6853843B2 JP2019029051A JP2019029051A JP6853843B2 JP 6853843 B2 JP6853843 B2 JP 6853843B2 JP 2019029051 A JP2019029051 A JP 2019029051A JP 2019029051 A JP2019029051 A JP 2019029051A JP 6853843 B2 JP6853843 B2 JP 6853843B2
- Authority
- JP
- Japan
- Prior art keywords
- intensity distribution
- imaging
- optical unit
- focus
- measurement area
- 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.)
- Active
Links
- 238000005259 measurement Methods 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 37
- 238000001459 lithography Methods 0.000 title claims description 21
- 238000003384 imaging method Methods 0.000 claims description 68
- 238000005286 illumination Methods 0.000 claims description 48
- 230000003287 optical effect Effects 0.000 claims description 41
- 230000004075 alteration Effects 0.000 claims description 37
- 238000009826 distribution Methods 0.000 claims description 36
- 238000001228 spectrum Methods 0.000 claims description 19
- 230000003595 spectral effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 6
- 230000001427 coherent effect Effects 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 238000011156 evaluation Methods 0.000 claims description 5
- 238000012417 linear regression Methods 0.000 claims description 2
- 210000001747 pupil Anatomy 0.000 description 16
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000001419 dependent effect Effects 0.000 description 7
- 238000007689 inspection Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000013441 quality evaluation Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001303 quality assessment method Methods 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
- 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
-
- 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
- G03F7/70641—Focus
-
- 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
- G03F1/38—Masks having auxiliary features, e.g. special coatings or marks for alignment or testing; Preparation thereof
- G03F1/44—Testing or measuring features, e.g. grid patterns, focus monitors, sawtooth scales or notched scales
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
-
- 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
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
-
- 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
- G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
- G03F1/82—Auxiliary processes, e.g. cleaning or inspecting
- G03F1/84—Inspecting
-
- 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
- G03F7/70058—Mask illumination systems
- G03F7/70091—Illumination settings, i.e. intensity distribution in the pupil plane or angular distribution in the field plane; On-axis or off-axis settings, e.g. annular, dipole or quadrupole settings; Partial coherence control, i.e. sigma or numerical aperture [NA]
-
- 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
- G03F7/70216—Mask projection systems
-
- 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
-
- 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
- G03F7/7055—Exposure light control in all parts of the microlithographic apparatus, e.g. pulse length control or light interruption
- G03F7/70583—Speckle reduction, e.g. coherence control or amplitude/wavefront splitting
-
- 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
- G03F7/70591—Testing optical components
-
- 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
-
- 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
- G03F7/70775—Position control, e.g. interferometers or encoders for determining the stage position
-
- 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
- G03F9/7003—Alignment type or strategy, e.g. leveling, global alignment
- G03F9/7023—Aligning or positioning in direction perpendicular to substrate surface
- G03F9/7026—Focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Description
を決定する段階と、周波数領域(frequency domain)でのスペクトル
の複数のスペクトル成分S(νxi,νyi)の実数部RS(z)及び虚数部IS(z)のフォーカス依存性(focus dependence)を決定する段階と、結像光学ユニットによってスペクトル
に加えられた結像収差寄与Θを分離する段階と、結像収差寄与Θをゼルニケ多項式の線形結合として表す段階とを含む。
及び次式のように書くことができる照明光1の視野分布をもたらす。
を生じる。このスペックルスペクトルに対して次式が成り立つ。
σ:瞳平面内の照明設定の強度分布である。
P:光学ユニットの瞳伝達関数、すなわち、例えば開口及び/又は掩蔽絞りによる瞳制限効果である。
φe:光学ユニットの偶数波面収差、すなわち、偶数関数によって表すことができる収差寄与である。
を決定する段階が続く。それによって、周波数座標νx及びνyの関数としての2Dスペックルスペクトル24z1から24z7までのシーケンスが生じる。
H:物体粗度の寄与である。
Θd:結像光学ユニットのデフォーカス収差である。
Θopt:結像光学ユニットの他の結像収差寄与である。
は、リソグラフィマスクのフォーカス位置を確認するために直接用いることができる。デフォーカスのフォーカス位置zは、特に次式の第4のゼルニケ係数(fourth Zernike coefficient)Z4の関数である。
Claims (11)
- リソグラフィマスク(5)のフォーカス位置を決定するための方法であって、
1.1.リソグラフィマスク(5)を結像するための結像光学ユニット(8)を有する光学系(2)を与える段階と、
1.2.結像される構造が不在の少なくとも1つの測定領域を有するリソグラフィマスク(5)を与える段階と、
1.3.前記リソグラフィマスク(5)の前記少なくとも1つの測定領域のフォーカススタックを記録する段階と、
1.4.前記記録されたフォーカススタックの2D強度分布(15zi)を空間分解方式で評価する段階と、
を含み、
1.5.前記2D強度分布(15zi)を評価する段階は、スペックルコントラストを確認することを含み、かつ
1.6.前記2D強度分布(15zi)を評価する段階は、前記スペックルコントラストが最小値を有するフォーカス位置(z)を確認することを含み、
1.7.前記スペックルコントラストが最小値を有する前記フォーカス位置を確認することは、内挿法を含むことを特徴とし、
1.8.前記2D強度分布(15 zi )を評価する段階は、
1.8.1.前記2D強度分布(15 zi )のフーリエ変換によって該2D強度分布(15 zi )のスペクトル
を決定する段階と、
1.8.2.周波数領域での前記スペクトル
の複数のスペクトル成分S(ν xi ,ν yi )の実数部RS(z)及び虚数部IS(z)のフォーカス依存性を決定する段階と、
1.8.3.前記結像光学ユニット(8)によって前記スペクトル
に加えられた結像収差寄与(Θ opt )を分離する段階と、
を含むことを特徴とする、
方法。 - 前記結像収差寄与(Θopt)をゼルニケ多項式の線形結合として表す段階は、ゼルニケ係数Znを確認することを含むことを特徴とする請求項2に記載の方法。
- 線形回帰法(最小二乗当て嵌め)が、対称ゼルニケ係数Znを確認するために使用されることを特徴とする請求項3に記載の方法。
- 前記フォーカス位置は、第4のゼルニケ係数Z4から直接確認されることを特徴とする請求項2から請求項4のいずれか1項に記載の方法。
- 評価する段階は、専らフーリエ変換及び線形代数を含むことを特徴とする請求項1から請求項5のいずれか1項に記載の方法。
- 鏡面対称照明設定が、前記測定領域を照明するのに使用されることを特徴とする請求項1から請求項6のいずれか1項に記載の方法。
- 少なくとも部分的にコヒーレントな照明放射線(1)が、前記測定領域を照明するのに使用されることを特徴とする請求項1から請求項7のいずれか1項に記載の方法。
- コヒーレントな照明放射線(1)が、前記測定領域を照明するのに使用されることを特徴とする請求項1から請求項8のいずれか1項に記載の方法。
- 請求項1から請求項9のいずれか1項に記載の方法を実行するための計測系(2)であって、
照明放射線(1)を用いて前記測定領域を照明するための照明光学ユニット(7)を含み、かつ前記測定領域を空間分解検出デバイス(9)の上に結像するための結像光学ユニット(8)を含む、
計測系(2)。 - 前記記録されたフォーカススタックの2D強度分布(15zi)を評価するために、コンピュータデバイス(10)が、前記空間分解検出デバイス(9)にデータ転送方式で接続されることを特徴とする請求項10に記載の計測系(2)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018202637.8A DE102018202637B4 (de) | 2018-02-21 | 2018-02-21 | Verfahren zur Bestimmung einer Fokuslage einer Lithographie-Maske und Metrologiesystem zur Durchführung eines derartigen Verfahrens |
DE102018202637.8 | 2018-02-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2019179237A JP2019179237A (ja) | 2019-10-17 |
JP2019179237A5 JP2019179237A5 (ja) | 2020-12-03 |
JP6853843B2 true JP6853843B2 (ja) | 2021-03-31 |
Family
ID=67482181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019029051A Active JP6853843B2 (ja) | 2018-02-21 | 2019-02-21 | リソグラフィマスクのフォーカス位置を決定する方法及びそのような方法を実行するための計測系 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10564551B2 (ja) |
JP (1) | JP6853843B2 (ja) |
KR (1) | KR102227293B1 (ja) |
CN (1) | CN110174816B (ja) |
DE (1) | DE102018202637B4 (ja) |
TW (1) | TWI745654B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10990019B2 (en) * | 2019-04-09 | 2021-04-27 | Kla Corporation | Stochastic reticle defect dispositioning |
TWI792285B (zh) * | 2021-04-27 | 2023-02-11 | 財團法人國家實驗研究院 | 光譜影像演算的光譜影像自動對焦裝置 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2787699B2 (ja) * | 1989-04-03 | 1998-08-20 | 株式会社ニコン | 干渉パターンの強度測定方法および露光装置 |
JPH03155112A (ja) * | 1989-11-13 | 1991-07-03 | Nikon Corp | 露光条件測定方法 |
US5300786A (en) * | 1992-10-28 | 1994-04-05 | International Business Machines Corporation | Optical focus phase shift test pattern, monitoring system and process |
JP2000021289A (ja) | 1998-07-03 | 2000-01-21 | Canon Inc | 電子放出素子、電子源、画像形成装置及びそれらの製造方法 |
DE10220815A1 (de) | 2002-05-10 | 2003-11-20 | Zeiss Carl Microelectronic Sys | Reflektives Röntgenmikroskop und Inspektionssystem zur Untersuchung von Objekten mit Wellenlängen 100 nm |
DE10220816A1 (de) | 2002-05-10 | 2003-11-20 | Zeiss Carl Microelectronic Sys | Reflektives Röntgenmikroskop und Inspektionssystem zur Untersuchung von Objekten mit Wellenlängen 100 nm |
US6869739B1 (en) * | 2003-01-28 | 2005-03-22 | International Business Machines Corporation | Integrated lithographic print and detection model for optical CD |
US7084958B2 (en) * | 2004-04-14 | 2006-08-01 | Asml Netherlands B.V. | Lithographic apparatus, control system and device manufacturing method |
JP2006275743A (ja) * | 2005-03-29 | 2006-10-12 | Matsushita Electric Ind Co Ltd | 欠陥検査方法 |
TWI456267B (zh) * | 2006-02-17 | 2014-10-11 | Zeiss Carl Smt Gmbh | 用於微影投射曝光設備之照明系統 |
DE102008015631A1 (de) * | 2008-03-20 | 2009-09-24 | Carl Zeiss Sms Gmbh | Verfahren und Vorrichtung zur Vermessung von Masken für die Photolithographie |
CN102804063B (zh) * | 2009-06-19 | 2015-07-15 | 克拉-坦科技术股份有限公司 | 用于检测极紫外掩模基板上的缺陷的检验系统与方法 |
DE102010029651A1 (de) * | 2010-06-02 | 2011-12-08 | Carl Zeiss Smt Gmbh | Verfahren zum Betrieb einer Projektionsbelichtungsanlage für die Mikrolithographie mit Korrektur von durch rigorose Effekte der Maske induzierten Abbildungsfehlern |
DE102010029049B4 (de) | 2010-05-18 | 2014-03-13 | Carl Zeiss Smt Gmbh | Beleuchtungsoptik für ein Metrologiesystem für die Untersuchung eines Objekts mit EUV-Beleuchtungslicht sowie Metrologiesystem mit einer derartigen Beleuchtungsoptik |
DE102010025033B4 (de) * | 2010-06-23 | 2021-02-11 | Carl Zeiss Smt Gmbh | Verfahren zur Defekterkennung und Reparatur von EUV-Masken |
US8994918B2 (en) | 2010-10-21 | 2015-03-31 | Nikon Corporation | Apparatus and methods for measuring thermally induced reticle distortion |
WO2012096847A2 (en) | 2011-01-11 | 2012-07-19 | Kla-Tencor Corporation | Apparatus for euv imaging and methods of using same |
DE102011086018A1 (de) * | 2011-11-09 | 2013-05-16 | Carl Zeiss Ag | Verfahren und Anordnung zur Autofokussierung eines Mikroskops |
DE102014018510A1 (de) * | 2013-12-13 | 2015-06-18 | Carl Zeiss Sms Gmbh | Anordnung und Verfahren zur Charakterisierung von Photolithographie-Masken |
CN106575088B (zh) | 2014-07-22 | 2019-06-11 | 卡尔蔡司Smt有限责任公司 | 三维测量光刻掩模的3d空间像的方法 |
US10455137B2 (en) | 2014-07-28 | 2019-10-22 | Orbotech Ltd. | Auto-focus system |
US9588440B2 (en) * | 2015-02-12 | 2017-03-07 | International Business Machines Corporation | Method for monitoring focus in EUV lithography |
DE102015213045B4 (de) * | 2015-07-13 | 2018-05-24 | Carl Zeiss Smt Gmbh | Verfahren und Vorrichtung zur Positionsbestimmung von Strukturelementen einer photolithographischen Maske |
-
2018
- 2018-02-21 DE DE102018202637.8A patent/DE102018202637B4/de active Active
-
2019
- 2019-02-20 KR KR1020190019914A patent/KR102227293B1/ko active IP Right Grant
- 2019-02-20 US US16/280,521 patent/US10564551B2/en active Active
- 2019-02-20 TW TW108105655A patent/TWI745654B/zh active
- 2019-02-21 JP JP2019029051A patent/JP6853843B2/ja active Active
- 2019-02-21 CN CN201910135820.4A patent/CN110174816B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20190258180A1 (en) | 2019-08-22 |
CN110174816B (zh) | 2023-03-28 |
TWI745654B (zh) | 2021-11-11 |
KR20190100876A (ko) | 2019-08-29 |
TW201941001A (zh) | 2019-10-16 |
DE102018202637A1 (de) | 2019-08-22 |
DE102018202637B4 (de) | 2021-09-23 |
US10564551B2 (en) | 2020-02-18 |
KR102227293B1 (ko) | 2021-03-15 |
JP2019179237A (ja) | 2019-10-17 |
CN110174816A (zh) | 2019-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9594311B2 (en) | Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method | |
KR101930836B1 (ko) | 검사 장치, 리소그래피 장치, 및 디바이스 제조 방법 | |
US8736849B2 (en) | Method and apparatus for measuring structures on photolithography masks | |
JP6561110B2 (ja) | 基板上の欠陥の場所を特定する方法 | |
JP6470188B2 (ja) | 拡大結像光学ユニット及びそのような結像光学ユニットを有するeuvマスク検査系 | |
KR20170117191A (ko) | 검사와 계측을 위한 방법 및 장치 | |
KR20220006584A (ko) | 리소그래피 마스크의 에어리얼 이미지를 3차원적으로 결정하는 방법 | |
JP6993995B2 (ja) | 線幅の変動に対するリソグラフィマスクの構造非依存寄与を決定する方法 | |
TWI692681B (zh) | 決定用於量測微影光罩之成像光學單元的成像像差貢獻度的方法 | |
JP6853843B2 (ja) | リソグラフィマスクのフォーカス位置を決定する方法及びそのような方法を実行するための計測系 | |
JP2019179237A5 (ja) | ||
JP2006017485A (ja) | 面形状測定装置および測定方法、並びに、投影光学系の製造方法、投影光学系及び投影露光装置 | |
JP2009210359A (ja) | 評価方法、評価装置および露光装置 | |
TWI783267B (zh) | 檢測物體結構的方法和實行該方法的設備 | |
KR20230027223A (ko) | 물체의 이미지를 확인하는 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190620 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200312 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200413 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20200626 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20200904 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201013 |
|
A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20201013 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210112 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20210212 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210312 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6853843 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |