JP5021567B2 - 静電チャック装置及び半導体基板の処理方法 - Google Patents
静電チャック装置及び半導体基板の処理方法 Download PDFInfo
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- JP5021567B2 JP5021567B2 JP2008152184A JP2008152184A JP5021567B2 JP 5021567 B2 JP5021567 B2 JP 5021567B2 JP 2008152184 A JP2008152184 A JP 2008152184A JP 2008152184 A JP2008152184 A JP 2008152184A JP 5021567 B2 JP5021567 B2 JP 5021567B2
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- electrostatic chuck
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6831—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using electrostatic chucks
- H01L21/6833—Details of electrostatic chucks
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- Condensed Matter Physics & Semiconductors (AREA)
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- Microelectronics & Electronic Packaging (AREA)
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- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Drying Of Semiconductors (AREA)
- Jigs For Machine Tools (AREA)
- Lock And Its Accessories (AREA)
Description
本発明の第1の実施の形態では、焼結セラミック静電チャック装置が提供される。このチャック装置は、継ぎ目のないモノリシックなセラミック本体に埋め込まれる静電クランプ電極を含む。このクランプ電極は、導電性材料で作られる少なくとも1つのパターンを含み、電極パターンの最大直線長が1.0インチである。本発明の好適な実施の形態によれば、電極パターンの前記最大直線長は、0.25インチである。電極パターンは、単一の導電性パターン又は2つの電気的に絶縁された導電性材料のパターンを含む。
上記の静電チャック装置を含む処理チャンバ内で半導体基板を処理する方法がまた提供される。この方法は、前記静電チャック装置に前記基板を静電気的にクランプする工程と、前記静電チャック装置を通して前記下部電極からの少なくとも1つの周波数の高周波エネルギを結合する工程と、を含む。
Claims (10)
- 半導体処理チャンバ内で半導体基板を支持するために有用な静電チャック装置であって、
電気的に絶縁性の又は半導体の材料で作られた本体であって、半導体基板が静電気的にクランプされる支持面をその上に有する本体と、
電気的に絶縁性の又は半導体の材料の焼結されたペーストを含み、半導体基板を前記支持面に静電気的にクランプするように構成されるクランプ電極と、
高周波エネルギを前記クランプ電極を通して前記支持面にクランプされた基板の近傍のオープンスペース内に結合するように構成された下部電極と、
を備え、
前記絶縁性の又は半導体のセラミック材料の前記焼結されたペーストは、30〜50重量%の超硬合金を含み、
(a)前記クランプ電極は、該クランプ電極が前記プラズマチャンバ内に高周波エネルギの結合に対して高い透過性があるように十分に高い抵抗率を有する、及び/又は、
(b)前記クランプ電極は、前記プラズマチャンバ内に結合される前記高周波エネルギ電力が前記基板支持面にわたって実質的に均一に分配されるように前記支持面に平行な方向に十分に高い横方向の高周波インピーダンスを有する
ことを特徴とする静電チャック装置。 - 前記クランプ電極は、10ohms/square又はそれ以上の表面抵抗率を有し、前記電気的に絶縁性の又は半導体の材料で作られた本体と少なくとも前記クランプ電極とは、一体のセラミック体を規定することを特徴とする請求項1に記載の静電チャック装置。
- 前記クランプ電極は、導電性材料の少なくとも1つのパターンを含み、該パターンは、25.4mmの最大直線長を有することを特徴とする請求項1に記載の静電チャック装置。
- 前記クランプ電極は、連続的で間断のない膜であることを特徴とする請求項1に記載の静電チャック装置。
- 前記クランプ電極は、前記本体の内部に配置され、
前記下部電極は、前記本体の内部に配置されるか又は前記基板支持面と向かい合う前記本体の表面に取り付けられることを特徴とする請求項1に記載の静電チャック装置。 - 前記クランプ電極は、前記本体の内部に配置され、
前記下部電極は、ベースプレートを含むことを特徴とする請求項1に記載の静電チャック装置。 - 前記静電チャック装置は、プラズマ処理チャンバの内部に配置されることを特徴とする請求項1に記載の静電チャック装置。
- 請求項1に記載の静電チャック装置を備える処理チャンバ内で半導体基板を処理する方法であって、
前記静電チャック装置に前記基板を静電気的にクランプする工程と、
前記静電チャック装置を通して前記下部電極から少なくとも1つの周波数の高周波エネルギを結合する工程と、
を含み、
前記クランプ電極の前記抵抗率は、前記クランプ電極の厚さが前記高周波エネルギの周波数での表皮厚さよりも実質的に小さいことを特徴とする方法。 - 前記高周波エネルギは、前記基板の露出面近傍にプラズマを生成し、及び/又は、前記基板にバイアスをかけ、
当該方法は、前記プラズマを用いて前記基板を処理する工程を更に含むことを特徴とする請求項8に記載の方法。 - 前記クランプ電極は、同じ電極材料の平面シートの2地点間抵抗率の少なくとも10倍の2地点間抵抗率に増加させるのに十分に狭い及び/又は長いパターンで配置される電極材料を含むことを特徴とする請求項8に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US09/892,634 | 2001-06-28 | ||
US09/892,634 US6483690B1 (en) | 2001-06-28 | 2001-06-28 | Ceramic electrostatic chuck assembly and method of making |
Related Parent Applications (1)
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JP2003509527A Division JP4349901B2 (ja) | 2001-06-28 | 2002-06-10 | セラミック静電チャックアセンブリ及びその作製方法 |
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JP2008277847A JP2008277847A (ja) | 2008-11-13 |
JP5021567B2 true JP5021567B2 (ja) | 2012-09-12 |
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JP2003509527A Expired - Fee Related JP4349901B2 (ja) | 2001-06-28 | 2002-06-10 | セラミック静電チャックアセンブリ及びその作製方法 |
JP2008152184A Expired - Lifetime JP5021567B2 (ja) | 2001-06-28 | 2008-06-10 | 静電チャック装置及び半導体基板の処理方法 |
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Country Status (11)
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US (1) | US6483690B1 (ja) |
EP (1) | EP1399964B1 (ja) |
JP (2) | JP4349901B2 (ja) |
KR (2) | KR20090075887A (ja) |
CN (1) | CN1296983C (ja) |
AT (1) | ATE459100T1 (ja) |
AU (1) | AU2002314971A1 (ja) |
DE (1) | DE60235466D1 (ja) |
IL (1) | IL159528A0 (ja) |
TW (1) | TW527264B (ja) |
WO (1) | WO2003003449A2 (ja) |
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- 2001-06-28 US US09/892,634 patent/US6483690B1/en not_active Expired - Lifetime
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2002
- 2002-06-10 WO PCT/US2002/018093 patent/WO2003003449A2/en active Application Filing
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- 2002-06-10 KR KR1020097011320A patent/KR20090075887A/ko not_active Application Discontinuation
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WO2003003449A3 (en) | 2003-12-24 |
JP4349901B2 (ja) | 2009-10-21 |
EP1399964B1 (en) | 2010-02-24 |
CN1529908A (zh) | 2004-09-15 |
KR20090075887A (ko) | 2009-07-09 |
DE60235466D1 (de) | 2010-04-08 |
JP2004531907A (ja) | 2004-10-14 |
US6483690B1 (en) | 2002-11-19 |
KR100916953B1 (ko) | 2009-09-14 |
KR20040012970A (ko) | 2004-02-11 |
AU2002314971A1 (en) | 2003-03-03 |
IL159528A0 (en) | 2004-06-01 |
JP2008277847A (ja) | 2008-11-13 |
CN1296983C (zh) | 2007-01-24 |
ATE459100T1 (de) | 2010-03-15 |
EP1399964A2 (en) | 2004-03-24 |
WO2003003449A2 (en) | 2003-01-09 |
TW527264B (en) | 2003-04-11 |
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