JP7210367B2 - 厚み計測装置、及び厚み計測装置を備えた加工装置 - Google Patents
厚み計測装置、及び厚み計測装置を備えた加工装置 Download PDFInfo
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- JP7210367B2 JP7210367B2 JP2019081524A JP2019081524A JP7210367B2 JP 7210367 B2 JP7210367 B2 JP 7210367B2 JP 2019081524 A JP2019081524 A JP 2019081524A JP 2019081524 A JP2019081524 A JP 2019081524A JP 7210367 B2 JP7210367 B2 JP 7210367B2
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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
- G01B11/0675—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 using interferometry
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/228—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding thin, brittle parts, e.g. semiconductors, wafers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
-
- 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
- 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
- G01B11/0683—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 measurement during deposition or removal of the layer
-
- 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
- G01B9/02041—Interferometers characterised by particular imaging or detection techniques
- G01B9/02044—Imaging in the frequency domain, e.g. by using a spectrometer
-
- 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
-
- 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
- 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
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
- H01L22/26—Acting in response to an ongoing measurement without interruption of processing, e.g. endpoint detection, in-situ thickness measurement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/40—Caliper-like sensors
- G01B2210/48—Caliper-like sensors for measurement of a wafer
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Description
3:研削ユニット
4:スピンドルユニット
5:研削ホイール
7:チャックテーブル機構
71:チャックテーブル
8A、8B,8C:厚み計測装置
8a:第一の光路
8b:第二の光路
80:計測ハウジング
81A、81B、81C:集光器
82:光源
83:光分岐部
84、86:コリメーションレンズ
85:集光レンズ
87:回折格子
88:集光レンズ
89:イメージセンサー
10:ウエーハ
10W:複合ウエーハ
14:保護テープ
100:厚み出力手段
110:厚み決定部
112:照合部
120:基準波形記録部
122a~122l:材質別基準波形記録部
Claims (7)
- 被測定物を保持する保持手段を備え、該保持手段に保持された被測定物の厚みを計測する厚み計測装置であって、
白色光を発する光源と、該保持手段に保持された被測定物に対して該光源が発した白色光を集光する集光手段と、該光源と該集光手段とを連通する第一の光路と、該第一の光路に配設され該保持手段に保持された被測定物から反射した反射光を第二の光路に分岐する光分岐部と、該第二の光路に配設された回折格子と、該回折格子によって波長毎に分光された光の光強度信号を検出するイメージセンサーと、該イメージセンサーが検出した光強度信号により分光干渉波形を生成し、該分光干渉波形に基づいて厚みを決定して出力する厚み出力手段と、を少なくとも含み、
該厚み出力手段は、
複数の厚みに対応した分光干渉波形を基準波形として記録した基準波形記録部と、該イメージセンサーが検出した光強度信号に基づき生成された分光干渉波形と該基準波形記録部に記録された基準波形とを照合して波形が一致した基準波形から厚みを決定する厚み決定部とを備え、
該基準波形記録部は、被測定物を構成する材質に応じて基準波形を記録した材質別基準波形記録部を複数備えている厚み計測装置。 - 該厚み出力手段の該厚み決定部は、該イメージセンサーが検出した光強度信号により生成された分光干渉波形と、該基準波形記録部が複数備えている該材質別基準波形記録部に記録された基準波形と、を照合して波形が一致した基準波形が属する該材質別基準波形記録部を選定する請求項1に記載の厚み計測装置。
- 該集光手段は、被測定物に対して白色光を集光する集光位置を変更する集光位置変更手段を備え、被測定物を構成する2種類以上の材質に応じて厚みを計測する請求項1、又は2に記載の厚み計測装置。
- 該被測定物は、少なくとも第一の層、第二の層を含み構成される複合ウエーハである請求項1、又は2に記載の厚み計測装置。
- 該被測定物は、2種類以上の材質からなり、該被測定物は、少なくとも第一の層、第二の層を含み構成されると共に、第一の層、又は第二の層が、平面方向において2種類以上の材質で構成された複合ウエーハである請求項1乃至3のいずれかに記載された厚み計測装置。
- 該光源は、SLD光源、ASE光源、スーパーコンティニウム光源、LED光源、ハロゲン光源、キセノン光源、水銀光源、メタルハライド光源のいずれかである請求項1に記載の厚み計測装置。
- 請求項1乃至6のいずれかに記載の厚み計測装置が配設された加工装置。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019081524A JP7210367B2 (ja) | 2019-04-23 | 2019-04-23 | 厚み計測装置、及び厚み計測装置を備えた加工装置 |
| KR1020200034188A KR102813543B1 (ko) | 2019-04-23 | 2020-03-20 | 두께 계측 장치 |
| US16/840,704 US11168977B2 (en) | 2019-04-23 | 2020-04-06 | Thickness measuring apparatus |
| CN202010303458.XA CN111829442A (zh) | 2019-04-23 | 2020-04-17 | 厚度测量装置 |
| TW109113166A TWI827838B (zh) | 2019-04-23 | 2020-04-20 | 厚度量測裝置 |
| DE102020205161.5A DE102020205161A1 (de) | 2019-04-23 | 2020-04-23 | Dickenmessvorrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019081524A JP7210367B2 (ja) | 2019-04-23 | 2019-04-23 | 厚み計測装置、及び厚み計測装置を備えた加工装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020176999A JP2020176999A (ja) | 2020-10-29 |
| JP7210367B2 true JP7210367B2 (ja) | 2023-01-23 |
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Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11168977B2 (ja) |
| JP (1) | JP7210367B2 (ja) |
| KR (1) | KR102813543B1 (ja) |
| CN (1) | CN111829442A (ja) |
| DE (1) | DE102020205161A1 (ja) |
| TW (1) | TWI827838B (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020106277A (ja) * | 2018-12-26 | 2020-07-09 | 株式会社ディスコ | 厚み計測装置、及び厚み計測装置を備えた加工装置 |
| JP7476344B2 (ja) | 2020-09-24 | 2024-04-30 | エルジー・ケム・リミテッド | 高含量ニッケル含有リチウム複合遷移金属酸化物正極活物質の単粒子の固相合成方法、これにより形成された高含量ニッケル含有リチウム複合遷移金属酸化物正極活物質の単粒子及びそれを含む正極及びリチウム二次電池 |
| DE102021124048A1 (de) * | 2021-09-16 | 2023-03-16 | Precitec Optronik Gmbh | Optische Dickenmessvorrichtung |
| JP2023074312A (ja) | 2021-11-17 | 2023-05-29 | 株式会社ディスコ | 研磨装置 |
| JP2023103549A (ja) | 2022-01-14 | 2023-07-27 | 株式会社ディスコ | 厚み計測装置 |
| JP2024117029A (ja) * | 2023-02-16 | 2024-08-28 | 株式会社東京精密 | 研磨終点検出装置及び方法並びにcmp装置 |
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2019
- 2019-04-23 JP JP2019081524A patent/JP7210367B2/ja active Active
-
2020
- 2020-03-20 KR KR1020200034188A patent/KR102813543B1/ko active Active
- 2020-04-06 US US16/840,704 patent/US11168977B2/en active Active
- 2020-04-17 CN CN202010303458.XA patent/CN111829442A/zh active Pending
- 2020-04-20 TW TW109113166A patent/TWI827838B/zh active
- 2020-04-23 DE DE102020205161.5A patent/DE102020205161A1/de active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20200124155A (ko) | 2020-11-02 |
| US11168977B2 (en) | 2021-11-09 |
| US20200340801A1 (en) | 2020-10-29 |
| TWI827838B (zh) | 2024-01-01 |
| TW202040094A (zh) | 2020-11-01 |
| KR102813543B1 (ko) | 2025-05-27 |
| CN111829442A (zh) | 2020-10-27 |
| DE102020205161A1 (de) | 2020-10-29 |
| JP2020176999A (ja) | 2020-10-29 |
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