JP2005252000A - ウエーハ研磨方法 - Google Patents
ウエーハ研磨方法 Download PDFInfo
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- JP2005252000A JP2005252000A JP2004060631A JP2004060631A JP2005252000A JP 2005252000 A JP2005252000 A JP 2005252000A JP 2004060631 A JP2004060631 A JP 2004060631A JP 2004060631 A JP2004060631 A JP 2004060631A JP 2005252000 A JP2005252000 A JP 2005252000A
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- JP
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- Prior art keywords
- polishing
- wafer
- carrier
- thickness
- level
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- 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.)
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
【解決手段】 ウエーハの研磨に伴って発生する定盤振動の周波数のなから、研磨の進行度を反映してレベルが変化する1又は複数の特定周波数を予め選択する。研磨中に定盤の振動レベルを検出し、前記特定周波数のレベル変化から研磨終了時点を推定する。キャリアとして、その厚みがウエーハの仕上がり目標厚と同一かこれより僅かに薄い、厚み制御されたのものを使用する。
【選択図】 図3
Description
2 上定盤
3 太陽歯車
4 キャリア
5 ウエーハ
6 振動センサー(加速度センサー)
7 電池
8 DC−DCコンバーター
9 送信機
10 受信機
11 ACアダプター
12 パーソナルコンピュータ
13 キーボード
14 制御用シーケンサ
15 ディスプレイ
Claims (6)
- 研磨すべきウエーハをキャリアに保持して上下の回転定盤間で運動させることにより、前記半導体ウエーハの両面を同時に研磨するウエーハ研磨方法において、前記ウエーハの研磨に伴う定盤振動のなかから研磨の進行度を反映して振動レベルが変化する1又は複数の特定周波数を予め選択しておき、研磨中に前記特定周波数の振動レベル変化を検出し、その振動レベル変化から研磨の進行度を推定することを特徴とするウエーハ研磨方法。
- キャリアの厚みをウエーハの仕上がり目標厚と同一か6μm以下の範囲内で目標厚より薄く設定する請求項1に記載のウエーハ研磨方法。
- 前記特定周波数は、キャリア内でのウエーハ運動に起因する振動である請求項2に記載のウエーハ研磨方法。
- 前記特定周波数の振動レベルが所定レベルに達した時点を研磨終了時点と見なす請求項1に記載のウエーハ研磨方法。
- 振動レベルの変化パターンが相違する複数の特定周波数について、それぞれの振動レベルが所定の関係を満足したときを研磨終了時点と見なす請求項1に記載のウエーハ研磨方法。
- 前記特定周波数の振動レベルの上昇が飽和した時点を研磨終了時点と見なす請求項1に記載のウエーハ研磨方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004060631A JP4326985B2 (ja) | 2004-03-04 | 2004-03-04 | ウエーハ研磨方法 |
Applications Claiming Priority (1)
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JP2004060631A JP4326985B2 (ja) | 2004-03-04 | 2004-03-04 | ウエーハ研磨方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005252000A true JP2005252000A (ja) | 2005-09-15 |
JP4326985B2 JP4326985B2 (ja) | 2009-09-09 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2004060631A Expired - Lifetime JP4326985B2 (ja) | 2004-03-04 | 2004-03-04 | ウエーハ研磨方法 |
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JP (1) | JP4326985B2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007253269A (ja) * | 2006-03-22 | 2007-10-04 | Toshiba Matsushita Display Technology Co Ltd | 基板装置の製造方法 |
JP2007301713A (ja) * | 2006-04-10 | 2007-11-22 | Kemet Japan Co Ltd | 研磨治具 |
WO2011068236A1 (ja) * | 2009-12-01 | 2011-06-09 | 株式会社Sumco | ウェーハの研磨方法 |
JP2012069897A (ja) * | 2010-08-27 | 2012-04-05 | Covalent Materials Corp | 半導体ウエハの研磨方法及び半導体ウエハ研磨装置 |
KR101259315B1 (ko) | 2010-08-27 | 2013-05-09 | 글로벌웨어퍼스 재팬 가부시키가이샤 | 반도체 웨이퍼의 연마 방법 및 반도체 웨이퍼의 연마 장치 |
JPWO2014002467A1 (ja) * | 2012-06-25 | 2016-05-30 | 株式会社Sumco | ワークの研磨方法およびワークの研磨装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021144972A (ja) | 2020-03-10 | 2021-09-24 | キオクシア株式会社 | 半導体製造装置 |
-
2004
- 2004-03-04 JP JP2004060631A patent/JP4326985B2/ja not_active Expired - Lifetime
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007253269A (ja) * | 2006-03-22 | 2007-10-04 | Toshiba Matsushita Display Technology Co Ltd | 基板装置の製造方法 |
JP2007301713A (ja) * | 2006-04-10 | 2007-11-22 | Kemet Japan Co Ltd | 研磨治具 |
WO2011068236A1 (ja) * | 2009-12-01 | 2011-06-09 | 株式会社Sumco | ウェーハの研磨方法 |
DE112010004635T5 (de) | 2009-12-01 | 2012-10-04 | Sumco Corporation | Wafer-Polierverfahren |
JP5533884B2 (ja) * | 2009-12-01 | 2014-06-25 | 株式会社Sumco | ウェーハの研磨方法 |
KR101409738B1 (ko) * | 2009-12-01 | 2014-07-02 | 가부시키가이샤 사무코 | 웨이퍼의 연마 방법 |
US8900033B2 (en) | 2009-12-01 | 2014-12-02 | Sumco Corporation | Wafer polishing method |
DE112010004635B4 (de) | 2009-12-01 | 2019-03-21 | Sumco Corporation | Wafer-Polierverfahren |
JP2012069897A (ja) * | 2010-08-27 | 2012-04-05 | Covalent Materials Corp | 半導体ウエハの研磨方法及び半導体ウエハ研磨装置 |
KR101259315B1 (ko) | 2010-08-27 | 2013-05-09 | 글로벌웨어퍼스 재팬 가부시키가이샤 | 반도체 웨이퍼의 연마 방법 및 반도체 웨이퍼의 연마 장치 |
JPWO2014002467A1 (ja) * | 2012-06-25 | 2016-05-30 | 株式会社Sumco | ワークの研磨方法およびワークの研磨装置 |
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JP4326985B2 (ja) | 2009-09-09 |
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