JP5254668B2 - 研磨終点検出方法 - Google Patents
研磨終点検出方法 Download PDFInfo
- Publication number
- JP5254668B2 JP5254668B2 JP2008145746A JP2008145746A JP5254668B2 JP 5254668 B2 JP5254668 B2 JP 5254668B2 JP 2008145746 A JP2008145746 A JP 2008145746A JP 2008145746 A JP2008145746 A JP 2008145746A JP 5254668 B2 JP5254668 B2 JP 5254668B2
- Authority
- JP
- Japan
- Prior art keywords
- polishing
- time
- end point
- characteristic value
- point
- 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
- 238000005498 polishing Methods 0.000 title claims description 193
- 238000001514 detection method Methods 0.000 title claims description 33
- 238000012544 monitoring process Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 12
- 235000012431 wafers Nutrition 0.000 description 47
- 238000005070 sampling Methods 0.000 description 35
- 239000013307 optical fiber Substances 0.000 description 15
- 238000001228 spectrum Methods 0.000 description 14
- 238000012806 monitoring device Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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
- 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
- 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
- B24B49/02—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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
-
- 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
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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008145746A JP5254668B2 (ja) | 2008-06-03 | 2008-06-03 | 研磨終点検出方法 |
| US12/476,427 US8157616B2 (en) | 2008-06-03 | 2009-06-02 | Polishing end point detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008145746A JP5254668B2 (ja) | 2008-06-03 | 2008-06-03 | 研磨終点検出方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009291857A JP2009291857A (ja) | 2009-12-17 |
| JP2009291857A5 JP2009291857A5 (enExample) | 2012-05-17 |
| JP5254668B2 true JP5254668B2 (ja) | 2013-08-07 |
Family
ID=41380418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008145746A Active JP5254668B2 (ja) | 2008-06-03 | 2008-06-03 | 研磨終点検出方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8157616B2 (enExample) |
| JP (1) | JP5254668B2 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101381341B1 (ko) | 2006-10-06 | 2014-04-04 | 가부시끼가이샤 도시바 | 가공 종점 검지방법, 연마방법 및 연마장치 |
| US8657646B2 (en) * | 2011-05-09 | 2014-02-25 | Applied Materials, Inc. | Endpoint detection using spectrum feature trajectories |
| 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 |
| KR101436557B1 (ko) * | 2013-05-02 | 2014-09-01 | 주식회사 케이씨텍 | 산화물층을 갖는 웨이퍼의 연마 엔드 포인트 검출 정확성이 향상된 화학 기계적 연마 방법 및 이를 이용한 화학 기계적 연마 시스템 |
| TWI784719B (zh) | 2016-08-26 | 2022-11-21 | 美商應用材料股份有限公司 | 獲得代表在基板上的層的厚度的測量的方法,及量測系統和電腦程式產品 |
| US12288724B2 (en) | 2021-03-04 | 2025-04-29 | Applied Materials, Inc. | Region classification of film non-uniformity based on processing of substrate images |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6111634A (en) | 1997-05-28 | 2000-08-29 | Lam Research Corporation | Method and apparatus for in-situ monitoring of thickness using a multi-wavelength spectrometer during chemical-mechanical polishing |
| US6159073A (en) * | 1998-11-02 | 2000-12-12 | Applied Materials, Inc. | Method and apparatus for measuring substrate layer thickness during chemical mechanical polishing |
| US6190234B1 (en) * | 1999-01-25 | 2001-02-20 | Applied Materials, Inc. | Endpoint detection with light beams of different wavelengths |
| JP2002124496A (ja) * | 2000-10-18 | 2002-04-26 | Hitachi Ltd | 研磨加工の終点検出計測方法及びその装置、並びにそれを用いた半導体デバイスの製造方法及びその製造装置 |
| US6618130B2 (en) * | 2001-08-28 | 2003-09-09 | Speedfam-Ipec Corporation | Method and apparatus for optical endpoint detection during chemical mechanical polishing |
| 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 |
| US7406394B2 (en) | 2005-08-22 | 2008-07-29 | Applied Materials, Inc. | Spectra based endpointing for chemical mechanical polishing |
| KR101381341B1 (ko) * | 2006-10-06 | 2014-04-04 | 가부시끼가이샤 도시바 | 가공 종점 검지방법, 연마방법 및 연마장치 |
-
2008
- 2008-06-03 JP JP2008145746A patent/JP5254668B2/ja active Active
-
2009
- 2009-06-02 US US12/476,427 patent/US8157616B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US8157616B2 (en) | 2012-04-17 |
| JP2009291857A (ja) | 2009-12-17 |
| US20090298387A1 (en) | 2009-12-03 |
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