JP6234438B2 - 回折効果を用いた光学モデルの測定スペクトルへの適合 - Google Patents
回折効果を用いた光学モデルの測定スペクトルへの適合 Download PDFInfo
- Publication number
- JP6234438B2 JP6234438B2 JP2015508993A JP2015508993A JP6234438B2 JP 6234438 B2 JP6234438 B2 JP 6234438B2 JP 2015508993 A JP2015508993 A JP 2015508993A JP 2015508993 A JP2015508993 A JP 2015508993A JP 6234438 B2 JP6234438 B2 JP 6234438B2
- Authority
- JP
- Japan
- Prior art keywords
- spectrum
- output spectrum
- substrate
- polishing
- parameters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/456,035 US9011202B2 (en) | 2012-04-25 | 2012-04-25 | Fitting of optical model with diffraction effects to measured spectrum |
| US13/456,035 | 2012-04-25 | ||
| PCT/US2013/035510 WO2013162855A1 (en) | 2012-04-25 | 2013-04-05 | Fitting of optical model with diffraction effects to measured spectrum |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015520508A JP2015520508A (ja) | 2015-07-16 |
| JP2015520508A5 JP2015520508A5 (enExample) | 2016-06-02 |
| JP6234438B2 true JP6234438B2 (ja) | 2017-11-22 |
Family
ID=49477711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015508993A Active JP6234438B2 (ja) | 2012-04-25 | 2013-04-05 | 回折効果を用いた光学モデルの測定スペクトルへの適合 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9011202B2 (enExample) |
| JP (1) | JP6234438B2 (enExample) |
| KR (1) | KR101917344B1 (enExample) |
| TW (1) | TWI546154B (enExample) |
| WO (1) | WO2013162855A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11260497B2 (en) | 2018-05-11 | 2022-03-01 | Toshiba Memory Corporation | Polishing apparatus and polishing pad |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101892914B1 (ko) * | 2012-03-08 | 2018-08-29 | 어플라이드 머티어리얼스, 인코포레이티드 | 측정된 스펙트럼에 대한 광학 모델의 피팅 |
| US9011202B2 (en) * | 2012-04-25 | 2015-04-21 | Applied Materials, Inc. | Fitting of optical model with diffraction effects to measured spectrum |
| US9248544B2 (en) * | 2012-07-18 | 2016-02-02 | Applied Materials, Inc. | Endpoint detection during polishing using integrated differential intensity |
| US20140242880A1 (en) * | 2013-02-26 | 2014-08-28 | Applied Materials, Inc. | Optical model with polarization direction effects for comparison to measured spectrum |
| US20140242881A1 (en) * | 2013-02-27 | 2014-08-28 | Applied Materials, Inc. | Feed forward parameter values for use in theoretically generating spectra |
| JP5958627B1 (ja) * | 2015-09-08 | 2016-08-02 | 株式会社豊田中央研究所 | 摺動装置 |
| KR102808528B1 (ko) | 2018-09-24 | 2025-05-16 | 어플라이드 머티어리얼스, 인코포레이티드 | Cmp 프로세스 제어 알고리즘에 대한 입력으로서의 기계 시각 |
| JP2020181959A (ja) | 2019-04-26 | 2020-11-05 | 東京エレクトロン株式会社 | 学習方法、管理装置および管理プログラム |
| EP4301548A4 (en) * | 2021-03-03 | 2025-01-29 | Applied Materials, Inc. | IN-SITU MONITORING FOR MARKING TRAINING SPECTRA FOR A MACHINE LEARNING SYSTEM FOR SPECTROGRAPHIC MONITORING |
| US20250256371A1 (en) * | 2024-02-13 | 2025-08-14 | Applied Materials, Inc. | Endpoint control for inconsistent underlayer |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5658183A (en) * | 1993-08-25 | 1997-08-19 | Micron Technology, Inc. | System for real-time control of semiconductor wafer polishing including optical monitoring |
| US5653622A (en) * | 1995-07-25 | 1997-08-05 | Vlsi Technology, Inc. | Chemical mechanical polishing system and method for optimization and control of film removal uniformity |
| JP3109577B2 (ja) * | 1997-03-27 | 2000-11-20 | 日本電気株式会社 | 半導体ウェハ研磨終点検出装置 |
| US6489624B1 (en) | 1997-07-18 | 2002-12-03 | Nikon Corporation | Apparatus and methods for detecting thickness of a patterned layer |
| JPH1148134A (ja) * | 1997-08-11 | 1999-02-23 | Nikon Corp | 研磨終点検出方法、研磨終点検出装置及びこれを有する研磨装置 |
| US6271047B1 (en) | 1998-05-21 | 2001-08-07 | Nikon Corporation | Layer-thickness detection methods and apparatus for wafers and the like, and polishing apparatus comprising same |
| US6361646B1 (en) | 1998-06-08 | 2002-03-26 | Speedfam-Ipec Corporation | Method and apparatus for endpoint detection for chemical mechanical polishing |
| US6276987B1 (en) * | 1998-08-04 | 2001-08-21 | International Business Machines Corporation | Chemical mechanical polishing endpoint process control |
| US6159073A (en) * | 1998-11-02 | 2000-12-12 | Applied Materials, Inc. | Method and apparatus for measuring substrate layer thickness during chemical mechanical polishing |
| AU2001279126A1 (en) | 2000-07-31 | 2002-02-13 | Silicon Valley Group Inc | In-situ method and apparatus for end point detection in chemical mechanical polishing |
| JP3844973B2 (ja) * | 2001-03-16 | 2006-11-15 | 大日本スクリーン製造株式会社 | 基板の研磨終点検出 |
| JP3932836B2 (ja) * | 2001-07-27 | 2007-06-20 | 株式会社日立製作所 | 薄膜の膜厚計測方法及びその装置並びにそれを用いたデバイスの製造方法 |
| US6947135B2 (en) * | 2002-07-01 | 2005-09-20 | Therma-Wave, Inc. | Reduced multicubic database interpolation method for optical measurement of diffractive microstructures |
| JP4542324B2 (ja) * | 2002-10-17 | 2010-09-15 | 株式会社荏原製作所 | 研磨状態監視装置及びポリッシング装置 |
| JP4464642B2 (ja) * | 2003-09-10 | 2010-05-19 | 株式会社荏原製作所 | 研磨状態監視装置、研磨状態監視方法、研磨装置及び研磨方法 |
| US7394554B2 (en) | 2003-09-15 | 2008-07-01 | Timbre Technologies, Inc. | Selecting a hypothetical profile to use in optical metrology |
| US7264535B2 (en) * | 2004-04-23 | 2007-09-04 | Hitachi Global Storage Technologies Netherlands, B.V. | Run-to-run control of backside pressure for CMP radial uniformity optimization based on center-to-edge model |
| US7144297B2 (en) * | 2005-05-03 | 2006-12-05 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method and apparatus to enable accurate wafer prediction |
| US7495781B2 (en) | 2006-07-10 | 2009-02-24 | Tokyo Electron Limited | Optimizing selected variables of an optical metrology model |
| US7522295B2 (en) | 2006-11-07 | 2009-04-21 | Tokyo Electron Limited | Consecutive measurement of structures formed on a semiconductor wafer using a polarized reflectometer |
| EP2088123A1 (en) * | 2006-11-10 | 2009-08-12 | Sumitomo Electric Industries, Ltd. | Si-O CONTAINING HYDROGENATED CARBON FILM, OPTICAL DEVICE INCLUDING THE SAME, AND METHOD FOR MANUFACTURING THE Si-O CONTAINING HYDROGENATED FILM AND THE OPTICAL DEVICE |
| JP5254668B2 (ja) * | 2008-06-03 | 2013-08-07 | 株式会社荏原製作所 | 研磨終点検出方法 |
| US20100120331A1 (en) * | 2008-11-07 | 2010-05-13 | Applied Materials, Inc. | Endpoint control of multiple-wafer chemical mechanical polishing |
| US8751033B2 (en) | 2008-11-14 | 2014-06-10 | Applied Materials, Inc. | Adaptive tracking spectrum features for endpoint detection |
| JP5728239B2 (ja) | 2010-03-02 | 2015-06-03 | 株式会社荏原製作所 | 研磨監視方法、研磨方法、研磨監視装置、および研磨装置 |
| WO2011139575A2 (en) * | 2010-05-05 | 2011-11-10 | Applied Materials, Inc. | Endpoint method using peak location of modified spectra |
| US8190285B2 (en) * | 2010-05-17 | 2012-05-29 | Applied Materials, Inc. | Feedback for polishing rate correction in chemical mechanical polishing |
| NL2006700A (en) * | 2010-06-04 | 2011-12-06 | Asml Netherlands Bv | Method and apparatus for measuring a structure on a substrate, computer program products for implementing such methods & apparatus. |
| JP2014500613A (ja) | 2010-10-15 | 2014-01-09 | アプライド マテリアルズ インコーポレイテッド | 光学監視のためのスペクトルライブラリの構築 |
| US20120278028A1 (en) | 2011-04-28 | 2012-11-01 | Jeffrey Drue David | Generating model based spectra library for polishing |
| US9011202B2 (en) * | 2012-04-25 | 2015-04-21 | Applied Materials, Inc. | Fitting of optical model with diffraction effects to measured spectrum |
-
2012
- 2012-04-25 US US13/456,035 patent/US9011202B2/en active Active
-
2013
- 2013-04-05 KR KR1020147032927A patent/KR101917344B1/ko active Active
- 2013-04-05 JP JP2015508993A patent/JP6234438B2/ja active Active
- 2013-04-05 WO PCT/US2013/035510 patent/WO2013162855A1/en not_active Ceased
- 2013-04-09 TW TW102112532A patent/TWI546154B/zh active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11260497B2 (en) | 2018-05-11 | 2022-03-01 | Toshiba Memory Corporation | Polishing apparatus and polishing pad |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI546154B (zh) | 2016-08-21 |
| KR101917344B1 (ko) | 2018-11-09 |
| US20130288570A1 (en) | 2013-10-31 |
| JP2015520508A (ja) | 2015-07-16 |
| KR20150005652A (ko) | 2015-01-14 |
| WO2013162855A1 (en) | 2013-10-31 |
| US9011202B2 (en) | 2015-04-21 |
| TW201343323A (zh) | 2013-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6234438B2 (ja) | 回折効果を用いた光学モデルの測定スペクトルへの適合 | |
| JP6017538B2 (ja) | 環境の影響の変動を伴う基準スペクトルの構築 | |
| KR101892914B1 (ko) | 측정된 스펙트럼에 대한 광학 모델의 피팅 | |
| KR101867385B1 (ko) | 광학 모니터링을 위한 스펙트럼들의 라이브러리 구축 | |
| US9573242B2 (en) | Computer program product and method of controlling polishing of a substrate | |
| JP6030636B2 (ja) | モデルに基づく、研磨のためのスペクトルライブラリの生成 | |
| US20120278028A1 (en) | Generating model based spectra library for polishing | |
| KR20130088851A (ko) | 스펙트럼 모니터링을 이용하는 층 제거의 검출 | |
| US8942842B2 (en) | Varying optical coefficients to generate spectra for polishing control | |
| TW201205704A (en) | Control of overpolishing of multiple substrates on the same platen in chemical mechanical polishing | |
| US20140242881A1 (en) | Feed forward parameter values for use in theoretically generating spectra | |
| US20140242730A1 (en) | Spectraphic monitoring based on pre-screening of theoretical library | |
| US20120100781A1 (en) | Multiple matching reference spectra for in-situ optical monitoring | |
| TWI643701B (zh) | 控制硏磨的方法,及其電腦程式產品和硏磨設備 | |
| US20140242880A1 (en) | Optical model with polarization direction effects for comparison to measured spectrum | |
| CN106471606B (zh) | 利用沉积前测量的研磨 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160405 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160405 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20161027 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20161108 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20170207 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170404 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170926 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20171024 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6234438 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |