JP2012182496A - 基板洗浄チャンバ、洗浄及びコンディショニング方法 - Google Patents
基板洗浄チャンバ、洗浄及びコンディショニング方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
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- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02041—Cleaning
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- H01L21/02046—Dry cleaning only
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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Abstract
【解決手段】基板洗浄チャンバは、基板支持体に面する弧状面を有する輪郭付けされた天井電極を含み、弧状面と基板支持体との間のギャップの大きさを変えて基板支持体にわたり変化するプラズマ密度を与えるための可変断面厚みを有している。洗浄チャンバのための誘電体リングは、ベースと、峰部と、基板支持体の周囲リップをカバーする半径方向内方の張出部とを含む。ベースシールドは、少なくとも1つの周囲壁を有する円形ディスクを含む。洗浄チャンバのための洗浄及びコンディショニングプロセスについても説明する。
【選択図】図1
Description
Claims (15)
- 基板受け入れ面及び支持電極をもつ基板支持体を有する洗浄チャンバのための輪郭付けされた天井電極において、
上記基板支持体に面する弧状面であって、この弧状面は、上記基板支持体の上記基板受け入れ面にわたって延びる大きさの直径と、上記基板支持体の支持電極とこの弧状面との間に形成されるギャップの大きさを変えるように上記基板支持体にわたって変化する断面厚みとを有し、この弧状面と上記基板支持体との間に形成されるプラズマのプラズマ密度を、上記基板支持体にわたって半径方向に変えられるようにする、前記弧状面と、
上記基板支持体を取り巻くように上記弧状面の周囲から下方に延びる環状バンドと、
上記環状バンドから半径方外方に延びる支持張出部と、
を備えた天井電極。 - 上記弧状面は、上記基板支持体の基板受け入れ面の面積の少なくとも70%にわたって延びる、請求項1に記載の天井電極。
- 上記弧状面は、上記基板支持体の中央領域に対して上記基板支持体の周囲領域においてプラズマ密度を高めるために凸状のふくらみの形状にされた弧状プロフィールを備える、請求項1に記載の天井電極。
- 上記凸状のふくらみは、複数半径弧を備える、請求項3に記載の天井電極。
- 上記凸状のふくらみを取り囲む周囲凹状溝を備える、請求項4に記載の天井電極。
- プラズマで基板をエッチングするための洗浄チャンバにおいて、
基板受け入れ面を有し支持電極を備える基板支持体と、
上記基板支持体の上記基板受け入れ面と反対に面する弧状面を有する輪郭付けされた天井電極であって、上記弧状面は、上記基板支持体の上記基板受け入れ面の面積の少なくとも70%にわたって延び、これにより、上記弧状面は、上記基板受け入れ面にわたって半径方向に変わるプラズマ密度を与える形状にされる、前記天井電極と、
上記支持電極と上記輪郭付けされた天井電極とにわたり電圧バイアスを供給するための電極電源と、
上記チャンバへ洗浄ガスを導入するためのガス分配器と、
ガス排出部と、
を備え、これにより、上記チャンバへ導入されて上記支持体及び輪郭付けされた天井電極によりエネルギが与えられた洗浄ガスで上記基板の層をエッチングできるようにした、洗浄チャンバ。 - 上記輪郭付けされた天井電極の上記弧状面は、凸状のふくらみを備える、請求項6に記載の天井電極。
- 上記基板受け入れ面は、中央領域及び周囲領域を備え、上記弧状面は、上記基板支持体の中央領域に対して上記周囲領域においてプラズマ密度を高める形状にされた凸状のふくらみを含む、請求項6に記載のチャンバ。
- 上記弧状面は、複数の半径の弧を含む、請求項6に記載のチャンバ。
- 上記弧状面を取り囲む凹状の周囲溝を備えた、請求項6に記載のチャンバ。
- ベースシールドを更に備え、このベースシールドは、
誘電体ベースプレートを支持するための頂面を有する円形ディスクと、
リフトピンを延ばせるように上記円形ディスクを貫通する複数のリフトピン穴と、
上記円形ディスクから上方に延びてそれを取り囲む周囲壁であって、上記誘電体ベースプレートの周囲フランジから離間された周囲壁と、
を含む請求項6に記載のチャンバ。 - 上記周囲壁は、上記円形ディスクから実質的に垂直に延びる、請求項11に記載のチャンバ。
- 誘電体リングを更に備え、この誘電体リングは、
上記基板支持体を取り囲むために上記誘電体ベースプレートの周囲フランジに載せられるベースと、
上記基板受け入れ面より高さが高い峰部と、
上記基板支持体の周囲リップをカバーする半径方向内方の張出部と、
を含む請求項6に記載のチャンバ。 - 上記誘電体リングは、上記峰部と上記張出部との間に傾斜した内面を備える、請求項13に記載のチャンバ。
- 上記傾斜した内面は、丸い縁を備える、請求項14に記載のチャンバ。
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US11/745,451 US8435379B2 (en) | 2007-05-08 | 2007-05-08 | Substrate cleaning chamber and cleaning and conditioning methods |
US11/745,451 | 2007-05-08 |
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JP2012134438A Active JP5437445B2 (ja) | 2007-05-08 | 2012-06-14 | 基板洗浄チャンバ、洗浄及びコンディショニング方法 |
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JP (2) | JP5427171B2 (ja) |
KR (2) | KR101466584B1 (ja) |
CN (2) | CN102755976B (ja) |
TW (2) | TWI433215B (ja) |
WO (1) | WO2008140982A1 (ja) |
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KR20170102278A (ko) * | 2014-12-30 | 2017-09-08 | 어플라이드 머티어리얼스, 인코포레이티드 | 고 전도성 프로세스 키트 |
JP2020053538A (ja) * | 2018-09-26 | 2020-04-02 | 東京エレクトロン株式会社 | プラズマ処理装置 |
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KR101490117B1 (ko) | 2015-02-05 |
TWI544530B (zh) | 2016-08-01 |
WO2008140982A1 (en) | 2008-11-20 |
TW200903600A (en) | 2009-01-16 |
US20080276958A1 (en) | 2008-11-13 |
JP5427171B2 (ja) | 2014-02-26 |
KR20120090098A (ko) | 2012-08-16 |
KR101466584B1 (ko) | 2014-12-01 |
US8435379B2 (en) | 2013-05-07 |
KR20100017700A (ko) | 2010-02-16 |
JP5437445B2 (ja) | 2014-03-12 |
JP2010527152A (ja) | 2010-08-05 |
TWI433215B (zh) | 2014-04-01 |
US20130192629A1 (en) | 2013-08-01 |
CN102755976A (zh) | 2012-10-31 |
CN101680105A (zh) | 2010-03-24 |
TW201243924A (en) | 2012-11-01 |
CN101680105B (zh) | 2016-02-24 |
CN102755976B (zh) | 2016-05-18 |
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