JP5298112B2 - 溶存窒素濃度のモニタリング方法 - Google Patents
溶存窒素濃度のモニタリング方法 Download PDFInfo
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- JP5298112B2 JP5298112B2 JP2010283078A JP2010283078A JP5298112B2 JP 5298112 B2 JP5298112 B2 JP 5298112B2 JP 2010283078 A JP2010283078 A JP 2010283078A JP 2010283078 A JP2010283078 A JP 2010283078A JP 5298112 B2 JP5298112 B2 JP 5298112B2
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims description 230
- 229910052757 nitrogen Inorganic materials 0.000 title claims description 113
- 238000000034 method Methods 0.000 title claims description 48
- 238000012544 monitoring process Methods 0.000 title claims description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 110
- 239000001301 oxygen Substances 0.000 claims description 110
- 229910052760 oxygen Inorganic materials 0.000 claims description 110
- 238000004140 cleaning Methods 0.000 claims description 96
- 239000007788 liquid Substances 0.000 claims description 47
- 239000000758 substrate Substances 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 230000001678 irradiating effect Effects 0.000 claims description 8
- 238000007348 radical reaction Methods 0.000 claims description 5
- 229910021642 ultra pure water Inorganic materials 0.000 description 55
- 239000012498 ultrapure water Substances 0.000 description 55
- 239000002245 particle Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 238000004506 ultrasonic cleaning Methods 0.000 description 5
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 description 2
- 150000002830 nitrogen compounds Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
-
- 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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
- H01L21/6704—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
- H01L21/67057—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing with the semiconductor substrates being dipped in baths or vessels
-
- 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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67253—Process monitoring, e.g. flow or thickness monitoring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/176152—Total nitrogen determined
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/20—Oxygen containing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/20—Oxygen containing
- Y10T436/207497—Molecular oxygen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/20—Oxygen containing
- Y10T436/207497—Molecular oxygen
- Y10T436/209163—Dissolved or trace oxygen or oxygen content of a sealed environment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Description
・出力1100Wの場合…y=−0.0631x+0.4268
・出力1000Wの場合…y=−0.0606x+0.2789
・出力900Wの場合…y=−0.0607x+0.1763
(yは溶存酸素濃度の増加量ΔDO2、xは溶存窒素濃度DN2)
・オーバーフロー量2.5L/minの場合…y=−0.0971x+0.868
・オーバーフロー量5L/minの場合…y=−0.069x+0.5667
(yは溶存酸素濃度の増加量ΔDO2、xは溶存窒素濃度DN2)
10 供給手段
20 洗浄槽
21 間接水槽
30 照射手段
40 モニタリング手段
41 抽出管
42 ポンプ
43 溶存酸素濃度計
44 決定手段
45 受信部
46 記憶部
47 制御部
48 表示部
Claims (8)
- 基板を浸漬する洗浄液に超音波を照射する際に、当該洗浄液の溶存窒素濃度をモニタリングする溶存窒素濃度のモニタリング方法であって、
超音波照射により起こるラジカル反応によって水分子から生成する酸素分子により前記洗浄液中で増加する溶存酸素濃度の増加量を測定し、
予め決定された溶存窒素濃度と溶存酸素濃度の増加量との関係に基づいて、当該測定された溶存酸素濃度の増加量から前記洗浄液中の溶存窒素濃度を求めることを特徴とする溶存窒素濃度のモニタリング方法。 - 前記洗浄液中の溶存窒素濃度と溶存酸素濃度の増加量との関係を示す溶存ガス情報に基づいて、溶存酸素濃度計によって測定された溶存酸素濃度の増加量から前記洗浄液の溶存窒素濃度を算出することを特徴とする請求項1記載の溶存窒素濃度のモニタリング方法。
- 前記溶存ガス情報が、前記基板の洗浄条件毎に予め作成されていることを特徴とする請求項1又は2記載の溶存窒素濃度のモニタリング方法。
- 前記基板の洗浄条件には超音波の出力が含まれることを特徴とする請求項1乃至3の何れか1項に記載の溶存窒素濃度のモニタリング方法。
- 前記溶存ガス情報において、前記超音波の出力が大きい程、所定溶存窒素濃度に対応する溶存酸素濃度の増加量が大きいことを特徴とする請求項4記載の溶存窒素濃度のモニタリング方法。
- 前記基板の洗浄条件に洗浄液のオーバーフロー量が含まれることを特徴とする請求項1乃至3の何れか1項に記載の溶存窒素濃度のモニタリング方法。
- 前記溶存ガス情報において、前記オーバーフロー量が少ない程、溶存窒素濃度変化に対する溶存酸素濃度の増加量変化の比率が大きいことを特徴とする請求項6記載の溶存窒素濃度のモニタリング方法。
- 前記洗浄液が水であることを特徴とする請求項1乃至7のいずれか1項に記載の溶存窒素濃度のモニタリング方法。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010283078A JP5298112B2 (ja) | 2010-12-20 | 2010-12-20 | 溶存窒素濃度のモニタリング方法 |
CN201180061112.2A CN103261885B (zh) | 2010-12-20 | 2011-12-13 | 溶解氮浓度监测方法及基材清洁方法 |
EP11805808.0A EP2656064B1 (en) | 2010-12-20 | 2011-12-13 | Dissolved nitrogen concentration monitoring method and substrate cleaning method |
KR1020137018767A KR101516905B1 (ko) | 2010-12-20 | 2011-12-13 | 용존 질소 농도 모니터링 방법, 기판 세정 방법, 및 기판 세정 장치 |
MYPI2013001645A MY168210A (en) | 2010-12-20 | 2011-12-13 | Dissolved nitrogen concentration monitoring method, substrate cleaning method, and substrate cleaning apparatus |
PCT/EP2011/072639 WO2012084610A1 (en) | 2010-12-20 | 2011-12-13 | Dissolved nitrogen concentration monitoring method, substrate cleaning method, and substrate cleaning apparatus |
SG2013030630A SG189963A1 (en) | 2010-12-20 | 2011-12-13 | Dissolved nitrogen concentration monitoring method, substrate cleaning method, and substrate cleaning apparatus |
US13/995,568 US8778085B2 (en) | 2010-12-20 | 2011-12-13 | Dissolved nitrogen concentration monitoring method, substrate cleaning method, and substrate cleaning apparatus |
Applications Claiming Priority (1)
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JP2010283078A JP5298112B2 (ja) | 2010-12-20 | 2010-12-20 | 溶存窒素濃度のモニタリング方法 |
Publications (3)
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JP2012132708A JP2012132708A (ja) | 2012-07-12 |
JP2012132708A5 JP2012132708A5 (ja) | 2012-08-23 |
JP5298112B2 true JP5298112B2 (ja) | 2013-09-25 |
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US (1) | US8778085B2 (ja) |
EP (1) | EP2656064B1 (ja) |
JP (1) | JP5298112B2 (ja) |
KR (1) | KR101516905B1 (ja) |
CN (1) | CN103261885B (ja) |
MY (1) | MY168210A (ja) |
SG (1) | SG189963A1 (ja) |
WO (1) | WO2012084610A1 (ja) |
Families Citing this family (1)
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JP7131622B2 (ja) * | 2018-09-26 | 2022-09-06 | 日本製鉄株式会社 | 金属管の洗浄方法及び洗浄装置 |
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CH679890A5 (ja) | 1989-11-17 | 1992-04-30 | Orbisphere Lab | |
JP3742451B2 (ja) * | 1996-01-17 | 2006-02-01 | 昌之 都田 | 洗浄方法 |
US6058945A (en) * | 1996-05-28 | 2000-05-09 | Canon Kabushiki Kaisha | Cleaning methods of porous surface and semiconductor surface |
US5800626A (en) * | 1997-02-18 | 1998-09-01 | International Business Machines Corporation | Control of gas content in process liquids for improved megasonic cleaning of semiconductor wafers and microelectronics substrates |
JPH10335294A (ja) * | 1997-06-05 | 1998-12-18 | Toshiba Corp | 基板洗浄装置、洗浄方法およびその方法を用いて製造した半導体装置 |
JP4232186B2 (ja) * | 1998-10-23 | 2009-03-04 | 栗田工業株式会社 | 超純水中の溶存窒素濃度測定装置及び測定方法 |
JP2003234320A (ja) * | 2002-02-06 | 2003-08-22 | Nec Electronics Corp | 基板の洗浄方法、洗浄薬液、洗浄装置及び半導体装置 |
US6848455B1 (en) * | 2002-04-22 | 2005-02-01 | Novellus Systems, Inc. | Method and apparatus for removing photoresist and post-etch residue from semiconductor substrates by in-situ generation of oxidizing species |
JP2006310456A (ja) * | 2005-04-27 | 2006-11-09 | Dainippon Screen Mfg Co Ltd | パーティクル除去方法および基板処理装置 |
JP2009054919A (ja) * | 2007-08-29 | 2009-03-12 | Dainippon Screen Mfg Co Ltd | 基板処理装置 |
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2010
- 2010-12-20 JP JP2010283078A patent/JP5298112B2/ja active Active
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2011
- 2011-12-13 KR KR1020137018767A patent/KR101516905B1/ko active IP Right Grant
- 2011-12-13 EP EP11805808.0A patent/EP2656064B1/en active Active
- 2011-12-13 CN CN201180061112.2A patent/CN103261885B/zh active Active
- 2011-12-13 SG SG2013030630A patent/SG189963A1/en unknown
- 2011-12-13 MY MYPI2013001645A patent/MY168210A/en unknown
- 2011-12-13 US US13/995,568 patent/US8778085B2/en active Active
- 2011-12-13 WO PCT/EP2011/072639 patent/WO2012084610A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP2656064A1 (en) | 2013-10-30 |
MY168210A (en) | 2018-10-15 |
KR101516905B1 (ko) | 2015-05-04 |
US8778085B2 (en) | 2014-07-15 |
JP2012132708A (ja) | 2012-07-12 |
EP2656064B1 (en) | 2014-10-22 |
KR20130106423A (ko) | 2013-09-27 |
CN103261885B (zh) | 2016-07-13 |
SG189963A1 (en) | 2013-06-28 |
WO2012084610A1 (en) | 2012-06-28 |
US20130263887A1 (en) | 2013-10-10 |
CN103261885A (zh) | 2013-08-21 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |