JP4519832B2 - 欠陥検査装置 - Google Patents
欠陥検査装置 Download PDFInfo
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- JP4519832B2 JP4519832B2 JP2006355908A JP2006355908A JP4519832B2 JP 4519832 B2 JP4519832 B2 JP 4519832B2 JP 2006355908 A JP2006355908 A JP 2006355908A JP 2006355908 A JP2006355908 A JP 2006355908A JP 4519832 B2 JP4519832 B2 JP 4519832B2
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- Prior art keywords
- haze
- inspection
- distribution
- light
- pattern
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- 238000007689 inspection Methods 0.000 title claims description 158
- 230000007547 defect Effects 0.000 title claims description 29
- 238000009826 distribution Methods 0.000 claims description 70
- 239000002245 particle Substances 0.000 claims description 47
- 238000001514 detection method Methods 0.000 claims description 43
- 238000000926 separation method Methods 0.000 claims description 39
- 238000003860 storage Methods 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims 1
- 239000000523 sample Substances 0.000 description 16
- 239000004065 semiconductor Substances 0.000 description 11
- 230000010365 information processing Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
-
- 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
- G03F1/62—Pellicles, e.g. pellicle assemblies, e.g. having membrane on support frame; Preparation thereof
-
- 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
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95676—Masks, reticles, shadow masks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
Ca1、Ca2・・・・ヘイズの粒径
D(Da、Db)・・・ヘイズHからパターン領域Sxまでの離間距離(検査離間距離)
H(Ha、Hb)・・・ヘイズ
L1・・・・・・・・・検査光
L2・・・・・・・・・検出光
P2・・・・・・・・・保護膜(ペリクル膜)
R・・・・・・・・・・検査対象領域
S・・・・・・・・・・検査対象(レティクル/マスク)
Sx・・・・・・・・・パターン領域
Sy・・・・・・・・・非パターン領域
Sa・・・・・・・・・表面
4c・・・・・・・・・ヘイズ径演算部
4d・・・・・・・・・粒径変化判定部
4e・・・・・・・・・離間距離演算部
4f・・・・・・・・・離間距離判定部
4g・・・・・・・・・ヘイズ分布演算部
4h・・・・・・・・・ヘイズ分布出力部
4i・・・・・・・・・分布状態判定部
21・・・・・・・・・光源(レーザ光源)
23・・・・・・・・・光走査部
32・・・・・・・・・光検出器
Claims (6)
- パターンを形成したパターン領域及びパターンの形成していない非パターン領域を有し、前記パターン領域への異物の付着等を防止するための保護膜を支持する枠体が前記非パターン領域に設けられた検査対象面に対して、検査光を照射する光源と、
前記検査光を前記検査対象面上で走査する光走査部と、
前記光走査部が前記検査光を前記検査対象面上で走査した場合に、前記検査対象面から回折及び/または散乱する光を検出光として検出する光検出器と、
前記検査光が照射される位置である検査位置が、前記枠体と前記パターン領域で挟まれる検査対象領域内であるか否かを判定し、前記検査位置がその検査対象領域にあると判定した場合にのみ、前記検出光の強度と前記検査位置とを関連付けて記憶する記憶部と、を具備する欠陥検査装置。 - 前記光走査部が、前記枠体の内側であって非パターン領域のみを走査するように構成されている請求項1記載の欠陥検査装置。
- 前記検査対象領域を走査したときの、前記光検出器が検出する検出光に基づいて、ヘイズの粒径を演算するヘイズ径演算部と、
前記ヘイズ径演算部で求めたヘイズの粒径が大きくなっているか否かを、前回の検査結果との比較において判定する粒径変化判定部とを具備している請求項1又は2記載の欠陥検査装置。 - 前記検査対象領域を走査したときの、前記光検出器が検出する検出光に基づいて、ヘイズから前記パターン領域までの離間距離を演算する離間距離演算部を具備している請求項1乃至3いずれかに記載の欠陥検査装置。
- 前記検査対象領域を走査したときの、前記光検出器が検出する検出光に基づいて、前記非パターン領域におけるヘイズの分布を演算するヘイズ分布演算部と、
前記ヘイズ分布演算部で求めたヘイズ分布を出力するヘイズ分布出力部とを具備している請求項1乃至4いずれか記載の欠陥検査装置。 - 前記検査対象領域を走査したときの、前記光検出器が検出する検出光に基づいて、前記非パターン領域におけるヘイズの分布を演算するヘイズ分布演算部と、
前記ヘイズ分布演算部で求めたヘイズ分布が、所定の分布状態を示すものであるか否かを判定する分布状態判定部とを具備している請求項1乃至5いずれか記載の欠陥検査装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006355908A JP4519832B2 (ja) | 2006-12-28 | 2006-12-28 | 欠陥検査装置 |
DE102007062020A DE102007062020A1 (de) | 2006-12-28 | 2007-12-21 | Defektprüfeinrichtung |
US11/965,507 US7733476B2 (en) | 2006-12-28 | 2007-12-27 | Defect inspection apparatus and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006355908A JP4519832B2 (ja) | 2006-12-28 | 2006-12-28 | 欠陥検査装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008164497A JP2008164497A (ja) | 2008-07-17 |
JP4519832B2 true JP4519832B2 (ja) | 2010-08-04 |
Family
ID=39466000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006355908A Active JP4519832B2 (ja) | 2006-12-28 | 2006-12-28 | 欠陥検査装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7733476B2 (ja) |
JP (1) | JP4519832B2 (ja) |
DE (1) | DE102007062020A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8340461B2 (en) * | 2010-02-01 | 2012-12-25 | Microsoft Corporation | Single image haze removal using dark channel priors |
CN102968760B (zh) * | 2011-08-30 | 2016-08-17 | 富士通株式会社 | 图像去雾方法和系统 |
DE102013220196A1 (de) * | 2013-10-07 | 2015-04-09 | Dr. Johannes Heidenhain Gmbh | Optische Positionsmesseinrichtung |
EP3797957A1 (en) * | 2019-09-25 | 2021-03-31 | Kuraray Europe GmbH | Apparatus for measuring an optical parameter of a laminated glazing |
JP7256112B2 (ja) * | 2019-12-23 | 2023-04-11 | トヨタ自動車株式会社 | 電池の外観検査方法及び電池の外観検査装置 |
CN114433570B (zh) * | 2022-04-06 | 2022-06-21 | 深圳市龙图光电有限公司 | 半导体芯片用掩模版膜下异物清理方法及设备 |
Citations (11)
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---|---|---|---|---|
JPS6246239A (ja) * | 1985-08-26 | 1987-02-28 | Fujitsu Ltd | 表面異物検査装置 |
JPH0430575B2 (ja) * | 1982-11-04 | 1992-05-22 | ||
JPH0618431A (ja) * | 1992-06-29 | 1994-01-25 | Canon Inc | 表面状態検査装置 |
JPH06138046A (ja) * | 1992-10-29 | 1994-05-20 | Nikon Corp | 異物検査装置 |
JPH07333827A (ja) * | 1994-06-06 | 1995-12-22 | Canon Inc | 異物検査装置及びそれを用いた半導体デバイスの製造方法 |
JPH10163284A (ja) * | 1996-11-29 | 1998-06-19 | Shibaura Eng Works Co Ltd | 半導体ウエハの表面検査方法および半導体装置の製造装置 |
JPH11237226A (ja) * | 1997-11-28 | 1999-08-31 | Hitachi Ltd | 欠陥検査装置 |
JP2000146850A (ja) * | 1998-11-13 | 2000-05-26 | Toshiba Corp | パターン欠陥検査方法及びその装置 |
JP2000214099A (ja) * | 1999-01-25 | 2000-08-04 | Hitachi Ltd | 結晶欠陥計測方法および装置 |
JP2003315982A (ja) * | 2002-04-25 | 2003-11-06 | Oki Electric Ind Co Ltd | ペリクル膜劣化識別方法およびそのためのペリクル膜 |
JP2004258384A (ja) * | 2003-02-26 | 2004-09-16 | Sony Corp | 欠陥検査方法及びその装置、並びに露光用マスクの前処理方法 |
Family Cites Families (11)
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US4669875A (en) * | 1982-11-04 | 1987-06-02 | Hitachi, Ltd. | Foreign particle detecting method and apparatus |
JPS59186324A (ja) * | 1983-04-07 | 1984-10-23 | Nippon Kogaku Kk <Nikon> | 異物検査装置 |
JPS61100932A (ja) * | 1984-10-24 | 1986-05-19 | Hitachi Ltd | 露光装置 |
US4886975A (en) * | 1986-02-14 | 1989-12-12 | Canon Kabushiki Kaisha | Surface examining apparatus for detecting the presence of foreign particles on two or more surfaces |
US4795911A (en) * | 1986-02-14 | 1989-01-03 | Canon Kabushiki Kaisha | Surface examining apparatus for detecting the presence of foreign particles on the surface |
JP3109840B2 (ja) * | 1990-12-28 | 2000-11-20 | キヤノン株式会社 | 面状態検査装置 |
JPH0580497A (ja) * | 1991-09-20 | 1993-04-02 | Canon Inc | 面状態検査装置 |
JP3259331B2 (ja) * | 1992-05-29 | 2002-02-25 | キヤノン株式会社 | 表面状態検査装置 |
JPH07229844A (ja) | 1994-02-22 | 1995-08-29 | Nikon Corp | 異物検査装置 |
US6118525A (en) * | 1995-03-06 | 2000-09-12 | Ade Optical Systems Corporation | Wafer inspection system for distinguishing pits and particles |
US5717198A (en) * | 1995-07-10 | 1998-02-10 | Qc Optics, Inc. | Pellicle reflectivity monitoring system having means for compensating for portions of light reflected by the pellicle |
-
2006
- 2006-12-28 JP JP2006355908A patent/JP4519832B2/ja active Active
-
2007
- 2007-12-21 DE DE102007062020A patent/DE102007062020A1/de not_active Withdrawn
- 2007-12-27 US US11/965,507 patent/US7733476B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0430575B2 (ja) * | 1982-11-04 | 1992-05-22 | ||
JPS6246239A (ja) * | 1985-08-26 | 1987-02-28 | Fujitsu Ltd | 表面異物検査装置 |
JPH0618431A (ja) * | 1992-06-29 | 1994-01-25 | Canon Inc | 表面状態検査装置 |
JPH06138046A (ja) * | 1992-10-29 | 1994-05-20 | Nikon Corp | 異物検査装置 |
JPH07333827A (ja) * | 1994-06-06 | 1995-12-22 | Canon Inc | 異物検査装置及びそれを用いた半導体デバイスの製造方法 |
JPH10163284A (ja) * | 1996-11-29 | 1998-06-19 | Shibaura Eng Works Co Ltd | 半導体ウエハの表面検査方法および半導体装置の製造装置 |
JPH11237226A (ja) * | 1997-11-28 | 1999-08-31 | Hitachi Ltd | 欠陥検査装置 |
JP2000146850A (ja) * | 1998-11-13 | 2000-05-26 | Toshiba Corp | パターン欠陥検査方法及びその装置 |
JP2000214099A (ja) * | 1999-01-25 | 2000-08-04 | Hitachi Ltd | 結晶欠陥計測方法および装置 |
JP2003315982A (ja) * | 2002-04-25 | 2003-11-06 | Oki Electric Ind Co Ltd | ペリクル膜劣化識別方法およびそのためのペリクル膜 |
JP2004258384A (ja) * | 2003-02-26 | 2004-09-16 | Sony Corp | 欠陥検査方法及びその装置、並びに露光用マスクの前処理方法 |
Also Published As
Publication number | Publication date |
---|---|
US20080158560A1 (en) | 2008-07-03 |
JP2008164497A (ja) | 2008-07-17 |
US7733476B2 (en) | 2010-06-08 |
DE102007062020A1 (de) | 2008-07-03 |
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