JP7354131B2 - 化学機械研磨中の振動のモニタリング - Google Patents
化学機械研磨中の振動のモニタリング Download PDFInfo
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- JP7354131B2 JP7354131B2 JP2020547185A JP2020547185A JP7354131B2 JP 7354131 B2 JP7354131 B2 JP 7354131B2 JP 2020547185 A JP2020547185 A JP 2020547185A JP 2020547185 A JP2020547185 A JP 2020547185A JP 7354131 B2 JP7354131 B2 JP 7354131B2
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- 238000012544 monitoring process Methods 0.000 title claims description 21
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- 238000007517 polishing process Methods 0.000 claims description 2
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/005—Control means for lapping machines or devices
- B24B37/013—Devices or means for detecting lapping completion
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/10—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping
- B24B37/105—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping the workpieces or work carriers being actively moved by a drive, e.g. in a combined rotary and translatory movement
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/26—Lapping pads for working plane surfaces characterised by the shape of the lapping pad surface, e.g. grooved
-
- 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
- B24B49/003—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 acoustic means
-
- 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
- B24B49/10—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 electrical means
- B24B49/105—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 electrical means using eddy currents
-
- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Description
Claims (13)
- 化学機械研磨装置であって、
研磨パッドを支持し、凹部を有するプラテンであって、前記研磨パッドは、研磨層及びバッキング層と、パッドの一部分であって、前記凹部の領域内で前記研磨層内にある材料であって前記パッドの一部分よりも軟性の材料によって前記研磨パッドの残部に連結されている、パッドの一部分とを有する、プラテンと、
前記凹部内の可撓性膜であって、前記可撓性膜の下の前記凹部内に加圧可能な空間を画定する可撓性膜と、
信号を生成するためのインシトゥ振動モニタリングシステムであって、前記可撓性膜によって支持されかつ前記研磨パッドの下面に連結するよう配置された振動センサを含む、インシトゥ振動モニタリングシステムとを備える、装置。 - 前記バッキング層に開孔を備え、前記振動センサは、前記研磨層の下面に直接接触する、請求項1に記載の装置。
- 前記材料が前記パッドの一部分を横方向に完全に取り囲む、請求項1に記載の装置。
- 前記研磨パッドの前記一部分と前記研磨パッドの前記残部とが、同じ材料組成を有する、請求項1に記載の装置。
- 前記研磨層は溝を有し、前記溝の底部に前記材料が配置される、請求項1に記載の装置。
- 前記加圧可能な空間は、前記可撓性膜の中に完全に含まれている、請求項1に記載の装置。
- 前記可撓性膜は、前記可撓性膜の下の前記空間を密封するよう、前記凹部の端から端まで延在する、請求項1に記載の装置。
- 前記空間を加圧し、かつ前記振動センサを付勢して前記研磨パッドと接触させるためのポンプを備える、請求項1に記載の装置。
- 前記振動センサから信号を受信し、かつ研磨終点を検出するよう構成されたコントローラを備える、請求項1に記載の装置。
- コントローラが、下層の露出を検出するよう構成される、請求項1に記載の装置。
- 研磨する方法であって、
基板を研磨パッドと接触させることと、
前記基板と前記研磨パッドとの間に相対運動を発生させることと、
振動センサを支持する可撓性膜が前記振動センサの下のチャンバを加圧することによって、前記振動センサを付勢して前記研磨パッドの下面と接触させることと、
前記振動センサを使用して基板を音響的にモニタすることとを含み、
前記研磨パッドは、研磨層及びバッキング層と、パッドの一部分であって、前記チャンバの領域内で前記研磨層内にある材料であって前記パッドの一部分よりも軟性の材料によって前記研磨パッドの残部に連結されている、パッドの一部分とを有する、方法。 - 前記振動センサからの信号に基づいて下層の露出を検出することを含む、請求項11に記載の方法。
- 前記チャンバを加圧することは、バルーンを膨張させることを含む、請求項11に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862642471P | 2018-03-13 | 2018-03-13 | |
US62/642,471 | 2018-03-13 | ||
PCT/US2019/021999 WO2019178194A1 (en) | 2018-03-13 | 2019-03-13 | Monitoring of vibrations during chemical mechanical polishing |
Publications (2)
Publication Number | Publication Date |
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JP2021517073A JP2021517073A (ja) | 2021-07-15 |
JP7354131B2 true JP7354131B2 (ja) | 2023-10-02 |
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JP2020547185A Active JP7354131B2 (ja) | 2018-03-13 | 2019-03-13 | 化学機械研磨中の振動のモニタリング |
Country Status (6)
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---|---|
US (1) | US11701749B2 (ja) |
JP (1) | JP7354131B2 (ja) |
KR (1) | KR102677387B1 (ja) |
CN (1) | CN111263682A (ja) |
TW (1) | TWI805709B (ja) |
WO (1) | WO2019178194A1 (ja) |
Families Citing this family (4)
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JP7442314B2 (ja) * | 2019-12-24 | 2024-03-04 | 東京エレクトロン株式会社 | 基板処理装置、および基板処理方法 |
CN113970370B (zh) * | 2020-07-24 | 2024-02-02 | 泉芯集成电路制造(济南)有限公司 | 一种研磨平台的振动监测系统及振动监测方法 |
JP2024509546A (ja) * | 2021-03-03 | 2024-03-04 | アプライド マテリアルズ インコーポレイテッド | 化学機械研磨のための音響モニタリングおよびセンサ |
US20230286107A1 (en) * | 2022-03-09 | 2023-09-14 | Applied Materials, Inc. | Eddy current monitoring to detect vibration in polishing |
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