JPH06507942A - 低い固有応力および/または低い水素含有率をもつSiO↓xフィルムの堆積法 - Google Patents
低い固有応力および/または低い水素含有率をもつSiO↓xフィルムの堆積法Info
- Publication number
- JPH06507942A JPH06507942A JP5500219A JP50021993A JPH06507942A JP H06507942 A JPH06507942 A JP H06507942A JP 5500219 A JP5500219 A JP 5500219A JP 50021993 A JP50021993 A JP 50021993A JP H06507942 A JPH06507942 A JP H06507942A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- film
- hydrogen
- growing
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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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
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/401—Oxides containing silicon
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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
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
Description
Claims (33)
- 1.低い固有応力をもつSiOxフィルムの成長方法であって、反応領域に基板 を設置し、 同時に第一および第二ガスを該反応領域に導入し、但し該第一ガスは該第二ガス とは異なっており、 該第一ガスを分解し、かつ該分解ガスを該基板表面上で反応させることにより該 基板上にフィルムを成長させ、ここで該成長中のフィルムは秩序立ったおよび無 秩序の結晶学的状態にある原子を含み、および該無秩序な結晶学的状態にある成 長中の該フィルムから原子を除去することにより該フィルム中の固有応力を減少 させ、ここで該無秩序な原子は該第二ガスの化学的に活性な種と該成長中のフィ ルムとを反応させることにより除去され、かつ該フィルム成長工程並びに該固有 応力除去工程を同時に実施する、ことを特徴とする上記方法。
- 2.該第一ガスがオルガノシランガスを含み、かつ該第二ガスがハロゲン含有ガ スを含む請求の範囲第1項に記載の方法。
- 3.該第一ガスが珪素含有ガスを含み、該第二ガスがハロゲン含有ガスを含み、 該方法が更に該フィルム成長工程中に該反応領域に第三のガスを導入する工程を 含み、該第三のガスが酸素含有ガスを含み、かつ該フィルムが本質的に二酸化珪 素からなる請求の範囲第1項に記載の方法。
- 4.該第一ガスがSiH2、Si2H6、SiF1、Si2F6、SiCl4、 SiH2Cl2およびオルガノシラン類からなる群から選ばれるガスを含む請求 の範囲第1項記載の方法。
- 5.該第三ガスがO2、N2OおよびCO2からなる群から選ばれるガスを含む 請求の範囲第3項記載の方法。
- 6.該第二ガスが、NF3、HF、SF6、CF4、C2F6、C2Cl3F3 、SF6、Br2、Cl2、F2およびI2からなる群から選ばれるハロゲンガ スを含む請求の範囲第1項記載の方法。
- 7.該フィルム成長工程および該固有応力除去工程を真空環境下で実施する請求 の範囲第1項記載の方法。
- 8.該真空が1トール以下であり、かつ該基板が約450℃以下の温度に維持さ れている請求の範囲第7項記載の方法。
- 9.該フィルム成長工程および該固有応力除去工程を、プラズマCVD装置の反 応チャンバー内で実施する請求の範囲第1項記載の方法。
- 10.該固有応力除去工程が100〜200MPaの範囲を越えない値まで、該 フィルム中の固有応力の大きさを減ずる請求の範囲第1項記載の方法。
- 11.該第二のガスがフッ素含有エッチング剤を含む請求の範囲第1項に記載の 方法。
- 12.該フッ素含有エッチング剤を、1:10〜4:1の範囲内の原子比F:S iにて該反応領域に導入する請求の範囲第11項に記載の方法。
- 13.該フィルムをシリコンウエハ上に堆積する請求の範囲第1項記載の方法。
- 14.該シリコンウエハが露出した金属化層を含み、かつ該SiOxフィルムを 該シリコンウエハ上に誘電体層として適用する請求の範囲第13項に記載の方法 。
- 15.該第一および第二ガスの少なくとも一方が水素を含み、かつ該固有応力除 去工程が該フィルム中の水素含有率の低下をもたらす請求の範囲第1項に記載の 方法。
- 16.該固有応力除表工程が、1.5〜3原子%まで、該フィルム内のヒドロキ シルとしての水素を低減する請求の範囲第15項に記載の方法。
- 17.該固有応力除去工程が、該フィルム成長工程中に該フィルムが成長する速 度の20〜90%の範囲内の速度で該フィルムをエッチングする請求の範囲第1 項に記載の方法。
- 18.低い水素含有率をもつSiOxフィルムを成長させる方法であって、反応 領域に基板を設置し、 同時に第一および第二ガスを該反応領域に導入し、但し該第一ガスは該第二ガス とは異なり、かつ該第一および第二ガスの少なくとも一方は水素を含み、該第一 ガスを分解し、かつ該分解ガスを該基板と反応させることにより該基板上にフィ ルムを成長させ、ここで該フィルムはその中に水素を含有し、および該成長中の フィルムと該第二ガス中の化学的に活性な種とを反応させることにより、該フィ ルムから該水素原子を除去し、かつ該フィルム成長工程並びに該水素除去工程を 同時に実施する、 ことを特徴とする上記方法。
- 19.該第一ガスがオルガノシランガスを含み、かつ該第二ガスがハロゲン含有 ガスを含む請求の範囲第18項に記載の方法。
- 20.該第一ガスが珪素含有ガスを含み、該第二ガスがハロゲン含有ガスを含み 、該方法が更に該フィルム成長工程中に該反応領域に第三のガスを導入する工程 を含み、該第三のガスが酸素含有ガスを含み、かつ該フィルムが本質的に二酸化 珪素からなる請求の範囲第18項に記載の方法。
- 21.該第一ガスがSiH4、Si2H6、SiF4、Si2F6、SiCl4 、SiH2Cl2およびオルガノシラン類からなる群から選ばれるガスを含む請 求の範囲第18項記載の方法。
- 22.該第三ガスがO2、N2OおよびCO2からなる群から選ばれるガスを含 む請求の範囲第20項記載の方法。
- 23.該第二ガスが、HF3、HF、SF6、CF4、C2F6、C2Cl3F 3、SF6、Br2、Cl2、F2およびI2からなる群から選ばれるハロゲン ガスを含む請求の範囲第18項記載の方法。
- 24.該フィルム成長工程および該水素除去工程を真空環境下で実施する請求の 範囲第18項記載の方法。
- 25.該真空が1トール以下であり、かつ該基板が約450℃以下の温度に維持 されている請求の範囲第24項記載の方法。
- 26.該フィルム成長工程および該水素除去工程を、プラズマCVD装置の反応 チャンバー内で実施する請求の範囲第18項記載の方法。
- 27.該水素除去工程が100〜200MPaの範囲を越えない値まで、該フィ ルム中の固有応力の大きさを減ずる請求の範囲第18項記載の方法。
- 28.該第二のガスがフッ素含有エッチング剤を含む請求の範囲第18項に記載 の方法。
- 29.該フッ素含有エッチング剤を、1:10〜4:1の範囲内の原子比F:S iにて該反応領域に導入する請求の範囲第28項に記載の方法。
- 30.該フィルムをシリコンウエハ上に堆積する請求の範囲第18項記載の方法 。
- 31.該シリコンウエハが露出した金属化層を含み、かつ該SiOxフィルムを 該シリコンウエハ上に誘電体層として適用する請求の範囲第30項に記載の方法 。
- 32.該水素除去工程が、1.5〜3原子%まで、該フィルム内のヒドロキシル としての水素を低減する請求の範囲第18項に記載の方法。
- 33.該水素除去工程が、該フィルム成長工程中の該フィルムの堆積速度の20 〜90%の範囲内の速度にて該フィルムをエッチングする請求の範囲第18項に 記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70174991A | 1991-05-17 | 1991-05-17 | |
US701,749 | 1991-05-17 | ||
PCT/US1992/004103 WO1992020833A1 (en) | 1991-05-17 | 1992-05-15 | A PROCESS FOR DEPOSITING A SIOx FILM HAVING REDUCED INTRINSIC STRESS AND/OR REDUCED HYDROGEN CONTENT |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06507942A true JPH06507942A (ja) | 1994-09-08 |
JP3670277B2 JP3670277B2 (ja) | 2005-07-13 |
Family
ID=24818528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50021993A Expired - Fee Related JP3670277B2 (ja) | 1991-05-17 | 1992-05-15 | 低い固有応力および/または低い水素含有率をもつSiO▲X▼フィルムの堆積法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US5750211A (ja) |
EP (1) | EP0584252B1 (ja) |
JP (1) | JP3670277B2 (ja) |
DE (1) | DE69224640T2 (ja) |
WO (1) | WO1992020833A1 (ja) |
Cited By (4)
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JP2015065465A (ja) * | 2014-12-04 | 2015-04-09 | ▲さん▼圓光電股▲ふん▼有限公司 | 発光ダイオード装置の製造方法 |
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- 1992-05-15 WO PCT/US1992/004103 patent/WO1992020833A1/en active IP Right Grant
- 1992-05-15 EP EP92912751A patent/EP0584252B1/en not_active Expired - Lifetime
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1993
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JPH1079387A (ja) * | 1996-08-02 | 1998-03-24 | Applied Materials Inc | シリカ膜のフッ素化による応力制御 |
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JP2015065465A (ja) * | 2014-12-04 | 2015-04-09 | ▲さん▼圓光電股▲ふん▼有限公司 | 発光ダイオード装置の製造方法 |
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DE69224640D1 (de) | 1998-04-09 |
DE69224640T2 (de) | 1998-10-01 |
US6326064B1 (en) | 2001-12-04 |
JP3670277B2 (ja) | 2005-07-13 |
WO1992020833A1 (en) | 1992-11-26 |
EP0584252B1 (en) | 1998-03-04 |
EP0584252A4 (en) | 1994-05-25 |
US5750211A (en) | 1998-05-12 |
EP0584252A1 (en) | 1994-03-02 |
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