JP2012519236A - 真空を中絶させることなくペデスタルの表面から残留物を除去するin−situプラズマ洗浄 - Google Patents
真空を中絶させることなくペデスタルの表面から残留物を除去するin−situプラズマ洗浄 Download PDFInfo
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- 238000004140 cleaning Methods 0.000 title claims abstract description 44
- 238000011065 in-situ storage Methods 0.000 title abstract description 6
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- 239000000758 substrate Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 51
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- 238000000151 deposition Methods 0.000 claims description 45
- 238000005477 sputtering target Methods 0.000 claims description 27
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- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
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- 239000010936 titanium Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- 239000010935 stainless steel Substances 0.000 description 2
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- 208000000659 Autoimmune lymphoproliferative syndrome Diseases 0.000 description 1
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- WYEMLYFITZORAB-UHFFFAOYSA-N boscalid Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1NC(=O)C1=CC=CN=C1Cl WYEMLYFITZORAB-UHFFFAOYSA-N 0.000 description 1
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- 239000011810 insulating material Substances 0.000 description 1
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- 239000012768 molten material Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000002294 plasma sputter deposition Methods 0.000 description 1
- 238000009877 rendering Methods 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
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32798—Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
- H01J37/32853—Hygiene
- H01J37/32862—In situ cleaning of vessels and/or internal parts
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
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Abstract
【選択図】図2
Description
Claims (15)
- スパッタされた材料を基板上に付着させるスパッタリングターゲットと、
前記スパッタリングターゲットに対して全体に平行に、前記スパッタリングターゲットの反対側に配置された、前記基板を支持するサセプタであり、処理位置と洗浄位置の間を移動可能なサセプタと、
前記サセプタの周囲の壁を取り囲む電気的浮動状態にある付着リングと、
前記サセプタの下に配置された接地されたリフトピンプレートと、
前記付着リングに結合された金属接続ストラップであり、前記付着リング上に付着した金属膜を前記接地されたリフトピンプレートに電気的に結合する金属接続ストラップと、
前記金属接続ストラップに電気的に結合された接地ループであり、前記サセプタが洗浄位置にあるときには、前記接地されたリフトピンプレートと接触し、前記サセプタが前記処理位置にあるときには、前記接地されたリフトピンプレートから離隔する接地ループと、
前記チャンバ内へガスを導入するガス供給源と、
前記チャンバからガスを排出するガス排出機構と
を備える物理蒸着(PVD)チャンバ。 - 前記サセプタと前記接地されたリフトピンプレートの間に配置された熱シールドと、
前記熱シールドに結合されたマウンティングブラケットであり、その第1の端部に前記金属接続ストラップが結合され、その第2の端部に前記接地ループが結合されたマウンティングブラケットと
をさらに備える、請求項1に記載のチャンバ。 - 前記マウンティングブラケットを前記熱シールドから電気的に分離するセラミックワッシャをさらに備える、請求項2に記載のチャンバ。
- 真空を中絶させることなく物理蒸着(PVD)チャンバをプラズマ洗浄するプロセスキットであって、
上面からボスが延出した環状付着リング
を備えるプロセスキット。 - 前記付着リングの前記ボスを受け取る穴を有する金属接続ストラップをさらに備え、前記付着リングの上面の前記ボスの半径方向内側に、前記ストラップの一端が露出した、請求項4に記載のプロセスキット。
- 真空を中絶させることなく物理蒸着(PVD)チャンバをプラズマ洗浄する方法であって、
前記チャンバ内に配置されたサセプタであり、電気的浮動状態にある付着リングによって周囲を取り囲まれたサセプタ上に基板を配置すること、
前記チャンバ内の前記基板上および前記付着リング上に金属膜を付着させること、
前記付着リング上に付着した前記金属膜を、真空を中絶させることなく接地すること、ならびに
前記チャンバ内に形成されたプラズマによって、前記付着リング上の接地された前記金属膜を再スパッタすることなく、かつ真空を中絶させることなしに、前記チャンバから汚染物質を除去すること
を含む方法。 - 前記プラズマによって前記チャンバから汚染物質を除去する前に、前記サセプタから前記基板を取り除くことをさらに含む、請求項6に記載の方法。
- 前記付着リング上に付着した前記金属膜を接地することが、前記金属膜を、接地されたチャンバ構成要素に電気的に結合することを含む、請求項6に記載の方法。
- 前記接地されたチャンバ構成要素が、前記チャンバの本体に電気的に結合されたリフトピンプレートである、請求項8に記載の方法。
- 前記金属膜が、前記接地されたチャンバ構成要素に、金属接続ストラップを介して電気的に結合され、前記ストラップが、前記付着リングの上面に露出した端部を有する、請求項8に記載の方法。
- 前記基板を処理している間は、前記付着リング上に付着した前記金属膜が電気的浮動状態にあり、前記チャンバ内に形成されたプラズマによって真空を中絶させることなく前記チャンバから汚染物質を除去している間は、前記付着リング上に付着した前記金属膜が接地されているような態様で、前記金属接続ストラップが、前記接地されたチャンバ構成要素に対して移動する、請求項10に記載の方法。
- 前記金属接続ストラップが前記サセプタと一緒に移動する、請求項10に記載の方法。
- 前記付着リング上に付着した前記金属膜を接地することが、前記サセプタを処理位置から洗浄位置へ移動させることを含む、請求項6に記載の方法。
- 前記付着リングを接地することと、前記付着リングを浮動状態に置くこととを、真空を中絶させることなく電気的に切り換えること、
前記チャンバ内の電気的浮動状態にある前記付着リングによって周囲を取り囲まれた前記サセプタ上に別の基板を配置すること、ならびに
物理付着プロセスを使用して、真空を中絶させることなく、前記基板上および前記付着リング上に金属膜を付着させること
をさらに含む、請求項6に記載の方法。 - 前記付着リングがセラミック材料を含み、前記金属膜がアルミニウム膜を含む、請求項6に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US15625809P | 2009-02-27 | 2009-02-27 | |
US61/156,258 | 2009-02-27 | ||
US12/706,484 | 2010-02-16 | ||
US12/706,484 US8900471B2 (en) | 2009-02-27 | 2010-02-16 | In situ plasma clean for removal of residue from pedestal surface without breaking vacuum |
PCT/US2010/024404 WO2010099007A1 (en) | 2009-02-27 | 2010-02-17 | In situ plasma clean for removal of residue from pedestal surface without breaking vacuum |
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JP2012519236A true JP2012519236A (ja) | 2012-08-23 |
JP5599413B2 JP5599413B2 (ja) | 2014-10-01 |
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US (2) | US8900471B2 (ja) |
JP (1) | JP5599413B2 (ja) |
KR (2) | KR101722953B1 (ja) |
CN (1) | CN102414338B (ja) |
TW (1) | TWI527926B (ja) |
WO (1) | WO2010099007A1 (ja) |
Cited By (3)
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KR20150131227A (ko) * | 2013-03-14 | 2015-11-24 | 어플라이드 머티어리얼스, 인코포레이티드 | 선택적으로 접지되고 그리고 이동 가능한 프로세스 키트 링을 사용하여 기판을 프로세싱하기 위한 방법 및 장치 |
JP2018525812A (ja) * | 2015-06-29 | 2018-09-06 | ヴァリアン セミコンダクター イクイップメント アソシエイツ インコーポレイテッド | 静電チャックのための熱遮蔽 |
JP7523629B2 (ja) | 2015-12-17 | 2024-07-26 | ラム リサーチ コーポレーション | ウエハ裏面における堆積の低減のための可変温度ハードウェアおよび方法 |
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WO2010099007A1 (en) | 2010-09-02 |
CN102414338A (zh) | 2012-04-11 |
KR20160075760A (ko) | 2016-06-29 |
TW201033389A (en) | 2010-09-16 |
KR101632664B1 (ko) | 2016-07-01 |
KR101722953B1 (ko) | 2017-04-05 |
US20100218785A1 (en) | 2010-09-02 |
TWI527926B (zh) | 2016-04-01 |
US8900471B2 (en) | 2014-12-02 |
US20140366912A1 (en) | 2014-12-18 |
US9818585B2 (en) | 2017-11-14 |
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KR20110124788A (ko) | 2011-11-17 |
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