JP5681452B2 - 測定方法および測定装置 - Google Patents
測定方法および測定装置 Download PDFInfo
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- JP5681452B2 JP5681452B2 JP2010249430A JP2010249430A JP5681452B2 JP 5681452 B2 JP5681452 B2 JP 5681452B2 JP 2010249430 A JP2010249430 A JP 2010249430A JP 2010249430 A JP2010249430 A JP 2010249430A JP 5681452 B2 JP5681452 B2 JP 5681452B2
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- 239000007788 liquid Substances 0.000 description 9
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- 239000006097 ultraviolet radiation absorber Substances 0.000 description 5
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
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- 239000000463 material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
- G01B11/0625—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating with measurement of absorption or reflection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/0209—Low-coherence interferometers
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
-
- 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
- G01N21/8483—Investigating reagent band
-
- 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
- G01N21/9501—Semiconductor wafers
-
- 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
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- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Laser Beam Processing (AREA)
- Dicing (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
11 搬入搬出機構
12 保護膜形成機構
13 チャックテーブル
14 レーザー加工ユニット
15 厚み測定ユニット
16 プッシュプル機構
18 搬送機構
19 制御部(記憶手段、算出手段)
28 液状樹脂供給部
52 測定ヘッド
53 加工ヘッド
54 撮像ヘッド
55 測定用光源(光照射部)
56 ハーフミラー(光照射部)
57 ミラー(光照射部)
58、66 集光レンズ(光照射部)
59 受光部
61 保護膜
65 白色光源(光照射部)
W ウェーハ(ワーク)
Claims (3)
- ワークに紫外線波長域のレーザー光線を照射してレーザー加工する際に発生する加工屑からワークの表面を保護するために前記レーザーの波長の光を吸収する吸収剤を含んだ水溶性樹脂によって形成された保護膜の厚みを測定する測定方法であって、
前記吸収材を含んだ水溶性樹脂によってワーク表面に所定の厚みとなる様に前記保護膜を形成する保護膜形成工程と、
前記保護膜形成工程の後に、ワーク表面に形成された前記保護膜に前記吸収剤が吸収する250nm以上かつ380nm以下の波長の光を照射して、該光の吸収によって前記吸収剤が発光する光スペクトルを受光して測定するスペクトル測定工程と、
前記保護膜形成工程で形成する前記保護膜の厚みを変化させながら前記スペクトル測定工程を行うことで前記保護膜の厚み変化に対する前記光スペクトルの変化を表すマップを作製するマップ作製工程を含み、
ワークの表面に塗布された前記保護膜の厚みを測定する際は、前記保護膜に前記吸収剤が吸収する波長の光を照射して前記光スペクトルを測定し、前記マップに基づいて前記保護膜の厚みを測定する保護膜厚み測定工程を実施することを特徴とする測定方法。 - ワークに可視光波長域のレーザー光線を照射してレーザー加工する際に発生する加工屑からワークの表面を保護するために前記レーザーの波長の光を吸収する吸収剤を含んだ水溶性樹脂によって形成された保護膜の厚みを測定する測定方法であって、
前記吸収材を含んだ水溶性樹脂によってワーク表面に所定の厚みとなる様に前記保護膜を形成する保護膜形成工程と、
前記保護膜形成工程の後に、ワーク表面に形成された前記保護膜に前記吸収剤が吸収する460nm以上かつ650nm以下の波長の光を照射して、該光の吸収によって前記吸収剤が発光する光スペクトルを受光して測定するスペクトル測定工程と、
前記保護膜形成工程で形成する前記保護膜の厚みを変化させながら前記スペクトル測定工程を行うことで前記保護膜の厚み変化に対する前記光スペクトルの変化を表すマップを作製するマップ作製工程を含み、
ワークの表面に塗布された前記保護膜の厚みを測定する際は、前記保護膜に前記吸収剤が吸収する波長の光を照射して前記光スペクトルを測定し、前記マップに基づいて前記保護膜の厚みを測定する保護膜厚み測定工程を実施することを特徴とする測定方法。
- 請求項1又は請求項2に記載の測定方法によって、ワークをレーザー加工する際に発生する加工屑からワークの表面を保護するために前記レーザーの波長の光を吸収する前記吸収剤を含んだ水溶性樹脂によって形成された前記保護膜の厚みを測定する測定装置であって、
前記吸収剤が吸収する波長の光をワーク表面に形成された前記保護膜に向けて照射する光照射部と、
前記吸収剤が前記光照射部からの光を吸収して発光する光スペクトルを受光する受光部と、
前記保護膜の厚み変化に対する前記光スペクトルの変化を表すマップを記憶する記憶手段と、
前記受光部で受光した光スペクトルと前記記憶手段で記憶した前記マップに基づいて前記保護膜の厚みを求める算出手段と、を有することを特徴とする測定装置。
Priority Applications (3)
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JP2010249430A JP5681452B2 (ja) | 2010-11-08 | 2010-11-08 | 測定方法および測定装置 |
KR1020110111215A KR101835888B1 (ko) | 2010-11-08 | 2011-10-28 | 측정 방법 및 측정 장치 |
CN2011103512173A CN102564328A (zh) | 2010-11-08 | 2011-11-08 | 测定方法以及测定装置 |
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JP2010249430A JP5681452B2 (ja) | 2010-11-08 | 2010-11-08 | 測定方法および測定装置 |
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JP2012104532A JP2012104532A (ja) | 2012-05-31 |
JP5681452B2 true JP5681452B2 (ja) | 2015-03-11 |
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JP (1) | JP5681452B2 (ja) |
KR (1) | KR101835888B1 (ja) |
CN (1) | CN102564328A (ja) |
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CN103433619B (zh) * | 2013-08-30 | 2015-10-21 | 大族激光科技产业集团股份有限公司 | 激光熔覆打印机及线路板的制作方法 |
JP6478728B2 (ja) * | 2015-03-11 | 2019-03-06 | 株式会社ディスコ | 保護膜検出方法 |
JP6624919B2 (ja) * | 2015-12-18 | 2019-12-25 | 株式会社ディスコ | レーザー加工用保護膜検出方法 |
US10600174B2 (en) | 2015-12-29 | 2020-03-24 | Test Research, Inc. | Optical inspection apparatus |
JP2017227532A (ja) | 2016-06-22 | 2017-12-28 | 株式会社ディスコ | 蛍光検出装置 |
US10989652B2 (en) * | 2017-09-06 | 2021-04-27 | Lam Research Corporation | Systems and methods for combining optical metrology with mass metrology |
KR102320874B1 (ko) * | 2019-03-15 | 2021-11-03 | 한국세라믹기술원 | 결정 성장 방법에 의하여 제조된 탄화규소의 자외선을 이용한 두께 측정 장치 및 측정 방법 |
JP7387227B2 (ja) * | 2019-10-07 | 2023-11-28 | 株式会社ディスコ | ウェーハの加工方法 |
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JPS6243503A (ja) * | 1985-08-20 | 1987-02-25 | Toyota Motor Corp | メタリツク塗装クリヤ−塗膜の膜厚測定法 |
JP3624476B2 (ja) * | 1995-07-17 | 2005-03-02 | セイコーエプソン株式会社 | 半導体レーザ装置の製造方法 |
JP3908472B2 (ja) | 2001-03-13 | 2007-04-25 | 株式会社東芝 | 膜厚測定方法及び段差測定方法 |
CN1173166C (zh) * | 2002-08-22 | 2004-10-27 | 上海交通大学 | 双面金属波导测量方法及其装置 |
JP2004322168A (ja) * | 2003-04-25 | 2004-11-18 | Disco Abrasive Syst Ltd | レーザー加工装置 |
JP4571850B2 (ja) * | 2004-11-12 | 2010-10-27 | 東京応化工業株式会社 | レーザーダイシング用保護膜剤及び該保護膜剤を用いたウエーハの加工方法 |
KR100665003B1 (ko) * | 2004-12-07 | 2007-01-09 | 삼성전기주식회사 | 금속표면 상의 유기도막 두께 측정방법 |
JP5065722B2 (ja) * | 2007-03-23 | 2012-11-07 | 株式会社ディスコ | レーザー加工装置 |
JP2009103630A (ja) * | 2007-10-25 | 2009-05-14 | Nippon Soken Inc | 液膜厚さ計測装置及び内燃機関の制御装置 |
JP2010012508A (ja) * | 2008-07-07 | 2010-01-21 | Disco Abrasive Syst Ltd | 保護膜被覆装置及びレーザー加工装置 |
US8112146B2 (en) * | 2008-07-24 | 2012-02-07 | Massachusetts Institute Of Technology | Three-dimensional imaging using a luminescent surface and a differentially attenuating medium |
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- 2011-10-28 KR KR1020110111215A patent/KR101835888B1/ko active Search and Examination
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KR20120049133A (ko) | 2012-05-16 |
KR101835888B1 (ko) | 2018-03-07 |
CN102564328A (zh) | 2012-07-11 |
JP2012104532A (ja) | 2012-05-31 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |