JP4349901B2 - セラミック静電チャックアセンブリ及びその作製方法 - Google Patents
セラミック静電チャックアセンブリ及びその作製方法 Download PDFInfo
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Classifications
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- 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。
本発明は、その好適な実施の形態に関連して詳細に説明されたが、添付した特許請求の範囲記載で定められた発明の思想及び範囲を逸脱しない限り、特別に記載していない追加、削除、修正及び置換がなされうることは、当業者に自明であろう。
Claims (20)
- 焼結セラミック静電チャック装置であって、
継ぎ目のないモノリシックな焼結セラミック本体に埋め込まれる実質的に平面の静電クランプ電極であって、前記クランプ電極は、導電性材料で作られる相互に接続されたセグメントの少なくとも1つのパターンを含む静電クランプ電極を備え、
前記電極は、該電極の外側周辺から内部に延びるスリットによって分離された複数の電極セグメントと前記複数の電極セグメントを接続する接続部とを有する細かく分割された電極パターンを備え、
前記セグメントの最大直線長は25.4mmであることを特徴とするチャック装置。 - 前記セグメントの前記最大直線長は、6.35mmであることを特徴とする請求項1に記載のチャック装置。
- 前記クランプ電極は、単極電極構造を形成する単一の導電性パターンを含むことを特徴とする請求項1に記載のチャック装置。
- 前記クランプ電極は、二極性の電極構造を形成する少なくとも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ことを特徴とする請求項1に記載のチャック装置。
- 前記セラミック材料は、絶縁性の又は半導体の材料を含むことを特徴とする請求項1に記載のチャック装置。
- 前記複数の電極セグメントは繰り返して設置されていることを特徴とする請求項1に記載のチャック装置。
- 前記電極層は、前記焼結セラミック本体の主な外面のうちの一つの面からの距離が他の面からの距離よりも小さく配置されていることを特徴とする請求項1に記載のチャック装置。
- 前記電極層は、前記セラミック本体の主な外面の各々から略等距離にあることを特徴とする請求項1に記載のチャック装置。
- 導電性材料の前記パターンは、複数の小さな櫛形のグループに配置されることを特徴とする請求項3に記載のチャック装置。
- 各電極は、複数の小さな櫛形のグループを含むことを特徴とする請求項4に記載のチャック装置。
- あるパターンの櫛形のグループの少なくとも1つは、他のパターンの櫛形のグループの少なくとも1つと互いにかみ合うことを特徴とする請求項10に記載のチャック装置。
- 前記焼結セラミック本体の底面に固定された、高周波駆動の導電性ベースプレートを更に含むことを特徴とする請求項1に記載のチャック装置。
- 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、
前記基板を前記静電チャック装置に静電気的にクランプする工程と、
前記基板を処理する工程と、を含むことを特徴とする方法。 - 前記基板の露出面の近傍にプラズマを生成する前記静電チャック装置を通して少なくとも1つの周波数のRFエネルギを結合する工程を更に含むことを特徴とする請求項13に記載の方法。
- 前記処理チャンバは、プラズマエッチングチャンバであり、前記処理工程は、前記プラズマを用いて前記基板をエッチングする工程を含むことを特徴とする請求項14に記載の方法。
- 前記静電チャック装置の表面に静電クランプポテンシャルを形成する前記クランプ電極にDC電力を印加する工程を含むことを特徴とする請求項13に記載の方法。
- 前記チャンバに処理ガスを供給する工程と、
前記処理ガスにエネルギを与えてプラズマ状態にするために前記チャンバ内に高周波エネルギを結合する工程と、を更に含み、
前記基板は、前記処理工程の間にプラズマエッチングされるシリコンウエハを含むことを特徴とする請求項13に記載の方法。 - 請求項1に記載の前記セラミック静電チャック装置を作製する方法であって、
緑色の状態にあるセラミック材料を含む第1の層を供給する工程と、
前記第1の層の第1の主表面上に導電性材料の少なくとも1つのストリップのパターンを形成する工程と、
緑色の状態にあるセラミック材料を含む第2の層を供給する工程と、
前記第1の層の前記第1の主表面上に前記第2の層を組み立てる工程と、
前記第1、第2の層を複合燃焼して、埋め込まれた電極層を用いてモノリシックで継ぎ目のないセラミック体を形成する工程と、を含むことを特徴とする方法。 - 前記形成する工程は、導電性材料の粒子を含むペーストからパターンを形成する工程を含み、
前記複合燃焼する工程は、前記導電性材料の前記粒子を焼結して焼結クランプ電極を形成する工程を含むことを特徴とする請求項18に記載の方法。 - 前記第1、第2の層は、セラミックグリーンシートであることを特徴とする請求項18に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/892,634 US6483690B1 (en) | 2001-06-28 | 2001-06-28 | Ceramic electrostatic chuck assembly and method of making |
PCT/US2002/018093 WO2003003449A2 (en) | 2001-06-28 | 2002-06-10 | Ceramic electrostatic chuck and method of fabricating same |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008152184A Division 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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JP2004531907A JP2004531907A (ja) | 2004-10-14 |
JP4349901B2 true JP4349901B2 (ja) | 2009-10-21 |
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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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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 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6483690B1 (ja) |
EP (1) | EP1399964B1 (ja) |
JP (2) | JP4349901B2 (ja) |
KR (2) | KR100916953B1 (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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US6483690B1 (en) | 2002-11-19 |
EP1399964A2 (en) | 2004-03-24 |
TW527264B (en) | 2003-04-11 |
WO2003003449A2 (en) | 2003-01-09 |
JP2008277847A (ja) | 2008-11-13 |
CN1529908A (zh) | 2004-09-15 |
KR20090075887A (ko) | 2009-07-09 |
ATE459100T1 (de) | 2010-03-15 |
DE60235466D1 (de) | 2010-04-08 |
AU2002314971A1 (en) | 2003-03-03 |
CN1296983C (zh) | 2007-01-24 |
KR20040012970A (ko) | 2004-02-11 |
JP5021567B2 (ja) | 2012-09-12 |
KR100916953B1 (ko) | 2009-09-14 |
EP1399964B1 (en) | 2010-02-24 |
JP2004531907A (ja) | 2004-10-14 |
WO2003003449A3 (en) | 2003-12-24 |
IL159528A0 (en) | 2004-06-01 |
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