JP5547425B2 - ウェーハを処理するプロセスおよび装置 - Google Patents
ウェーハを処理するプロセスおよび装置 Download PDFInfo
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- H—ELECTRICITY
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02658—Pretreatments
- H01L21/02661—In-situ cleaning
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0209—Pretreatment of the material to be coated by heating
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/18—Epitaxial-layer growth characterised by the substrate
- C30B25/186—Epitaxial-layer growth characterised by the substrate being specially pre-treated by, e.g. chemical or physical means
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
- C30B33/02—Heat treatment
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
- C30B33/08—Etching
- C30B33/12—Etching in gas atmosphere or plasma
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—Silicon, silicon germanium, germanium
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
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- Chemical Vapour Deposition (AREA)
Description
本出願は、2008年5月16日に出願された米国仮特許出願第61/053,770号明細書の利益を主張し、この出願は本明細書中でその全体において参照することにより援用される。
本発明は、半導体基板の処理に関し、より詳細には、低圧でのベークおよびそれに続く、単一ウェーハの化学気相成長法(CVD)のチャンバ内でのインサイチュ(その場で)のエピタキシャル成長に関する。
Claims (11)
- 半導体基板の処理方法であって、
基板を、化学気相成長法の反応チャンバ内の基板支持部に配置することと、
前記反応チャンバ内に還元ガス環境を提供することと、
前記反応チャンバ内の圧力を、1×10−3Torr(約133.32×10 −3 Pa)から4Torr(約533.29Pa)の間のベーク圧力にまで低減することと、
前記ベーク圧力から堆積圧力にまで、前記反応チャンバ内の圧力を上昇させることと、
前記堆積圧力にて、エピタキシャル化学気相成長法によって層を堆積することと、
を含む、半導体基板の処理方法。 - 前記圧力を上昇させることは、1Torr(約133.32Pa)から100Torr(約13332Pa)の間まで圧力を上昇させることを含む、請求項1に記載の半導体基板の処理方法。
- 前記基板を配置することは、大気圧にて前記基板を前記チャンバに配置することを含む、請求項1に記載の半導体基板の処理方法。
- 前記反応チャンバ内において圧力を低減しながら、750℃から900℃の間まで前記基板の温度を上昇させることをさらに含む、請求項1に記載の半導体基板の処理方法。
- 前記基板の温度を上昇させることは、30℃未満の前記基板表面にわたる温度範囲を維持することを含む、請求項4に記載の半導体基板の処理方法。
- 前記反応チャンバ内において圧力を低減し始めるときから前記層を堆積し始めるまでの時間間隔は40秒未満である、請求項4に記載の半導体基板の処理方法。
- 前記チャンバに前記基板を配置する前に、水素を用いて前記基板の表面においてシリコンを終端させることをさらに含み、前記表面を終端させることがHF最終を含む、請求項1に記載の半導体基板の処理方法。
- 半導体基板上でのエピタキシャル化学気相成長法のためのシステムであって、
100リットル未満の大きさを有し、5Torr(約666.61Pa)未満の圧力に耐えるように構成された強化構造を備える反応チャンバと、
基板を前記反応チャンバに搬送するように構成されたロボットと、
前記反応チャンバ内において前記基板を加熱するように構成された複数の加熱素子と、
前記反応チャンバ内に還元ガス環境を提供し、次いで、1×10−6Torr(約133.32×10−6Pa)から4Torr(約533.29Pa)の間のベーク圧力にて、低圧でのベークを実行し、その後、圧力をエピタキシャル堆積圧力にまで上昇させるようにプログラミングされた制御器と、
を備える、システム。 - 前記制御器は、90秒から240秒の間、前記低圧でのベークを実行し、その後、圧力を、1Torr(約133.32Pa)から100Torr(約13332Pa)の間の堆積圧力にまで上昇させるようにプログラミングされている、請求項8に記載のシステム。
- 前記制御器は、前記低圧でのベークを実行しながら、前記加熱素子に対して実質的に一定の電力を維持するようにプログラミングされている、請求項9に記載のシステム。
- 前記制御器は、前記低圧でのベークを実行しながら、初期のベーク温度から、750℃から900℃の間まで、前記基板の温度を上昇させることが可能な閉ループ温度制御モードを有する、請求項8に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5377008P | 2008-05-16 | 2008-05-16 | |
US61/053,770 | 2008-05-16 |
Publications (3)
Publication Number | Publication Date |
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JP2009278086A JP2009278086A (ja) | 2009-11-26 |
JP2009278086A5 JP2009278086A5 (ja) | 2012-06-21 |
JP5547425B2 true JP5547425B2 (ja) | 2014-07-16 |
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JP2009112415A Active JP5547425B2 (ja) | 2008-05-16 | 2009-05-07 | ウェーハを処理するプロセスおよび装置 |
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Country | Link |
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US (1) | US7871937B2 (ja) |
JP (1) | JP5547425B2 (ja) |
KR (1) | KR101614422B1 (ja) |
TW (1) | TWI463538B (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CA3177078A1 (en) * | 2015-09-09 | 2017-03-16 | Fisher & Paykel Healthcare Limited | Zone heating for respiratory circuits |
KR102476797B1 (ko) | 2016-10-05 | 2022-12-09 | 삼성전자주식회사 | 반도체 장치 제조 방법 |
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