JP5823922B2 - 成膜方法 - Google Patents
成膜方法 Download PDFInfo
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- JP5823922B2 JP5823922B2 JP2012135150A JP2012135150A JP5823922B2 JP 5823922 B2 JP5823922 B2 JP 5823922B2 JP 2012135150 A JP2012135150 A JP 2012135150A JP 2012135150 A JP2012135150 A JP 2012135150A JP 5823922 B2 JP5823922 B2 JP 5823922B2
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- 238000000151 deposition Methods 0.000 title description 2
- 238000000926 separation method Methods 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 40
- 238000012545 processing Methods 0.000 claims description 39
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 27
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 17
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- SEQDDYPDSLOBDC-UHFFFAOYSA-N Temazepam Chemical compound N=1C(O)C(=O)N(C)C2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 SEQDDYPDSLOBDC-UHFFFAOYSA-N 0.000 claims 4
- 239000007789 gas Substances 0.000 description 129
- 239000012495 reaction gas Substances 0.000 description 98
- 239000010408 film Substances 0.000 description 76
- 235000012431 wafers Nutrition 0.000 description 56
- 230000015572 biosynthetic process Effects 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 13
- 238000010926 purge Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000010409 thin film Substances 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 8
- 238000012546 transfer Methods 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- -1 ethylmethyl Chemical group 0.000 description 2
- 125000002524 organometallic group Chemical group 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 2
- CGRVKSPUKAFTBN-UHFFFAOYSA-N N-silylbutan-1-amine Chemical compound CCCCN[SiH3] CGRVKSPUKAFTBN-UHFFFAOYSA-N 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N Oxozirconium Chemical compound [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- IZZWAVLUDXHAFI-UHFFFAOYSA-N [Zr]N Chemical compound [Zr]N IZZWAVLUDXHAFI-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- 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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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
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- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
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- 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
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- 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
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- 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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- 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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45544—Atomic layer deposition [ALD] characterized by the apparatus
- C23C16/45548—Atomic layer deposition [ALD] characterized by the apparatus having arrangements for gas injection at different locations of the reactor for each ALD half-reaction
- C23C16/45551—Atomic layer deposition [ALD] characterized by the apparatus having arrangements for gas injection at different locations of the reactor for each ALD half-reaction for relative movement of the substrate and the gas injectors or half-reaction reactor compartments
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Description
始めに、本発明の実施形態による成膜方法を実施するのに好適な成膜装置について説明する。
図1から図3までを参照すると、本発明の実施形態による成膜装置は、ほぼ円形の平面形状を有する扁平な真空容器1と、この真空容器1内に設けられ、真空容器1の中心に回転中心を有する回転テーブル2と、を備えている。真空容器1は、有底の円筒形状を有する容器本体12と、容器本体12の上面に対して、例えばOリングなどのシール部材13(図1)を介して気密に着脱可能に配置される天板11とを有している。
次に、これまでに参照した図面に加えて図6を参照しながら、本発明の実施形態による成膜方法について、上述の成膜装置を用いて実施される場合を例にとり説明する。
まず、図示しないゲートバルブを開き、搬送アーム10により搬送口15(図3)を介してウエハWを回転テーブル2の凹部24内に受け渡す。この受け渡しは、凹部24が搬送口15に臨む位置に停止したときに凹部24の底面の貫通孔を介して真空容器1の底部側から不図示の昇降ピンが昇降することにより行われる。このようなウエハWの受け渡しを回転テーブル2を間欠的に回転させて行い、回転テーブル2の5つの凹部24内に夫々ウエハWを載置する。
・ウエハWの温度: 300℃
・TEMAZの供給量: 0.4cc/min(液体として)
・オゾン供給量: 300 g/Nm3(酸素ガスの供給量は10slm)
・分離ガスの供給量(分離ガスノズル41、42の各々からの供給量):10slm。
なお、比較例として、TEMAZの供給を停止することなく、TEMAZとオゾンガスとを同時に供給してZrO膜を成膜した(供給時間10秒に相当)。
(1)トリメチルアルミニウム(TMA)及びオゾンガスの組み合わせによる酸化アルミニウム膜の成膜、
(2)テトラキスエチルメチルアミノハフニウム(TEMAH)及びオゾンガスの組み合わせによる酸化ハフニウム膜の成膜、
(3)ストロンチウムビステトラメチルヘプタンジオナト(Sr(THD)2)及びオゾンガスの組み合わせによる酸化ストロンチウム膜の成膜、
(4)チタニウムメチルペンタンジオナトビステトラメチルヘプタンジオナト(Ti(MPD)(THD))及びオゾンガスの組み合わせによる酸化チタニウム膜の成膜、
(5)ビスターシャルブチルアミノシラン(BTBAS)及びオゾンガスの組み合わせによる酸化シリコン膜の成膜、及び
(6)有機アミノシランガス及びオゾンガスの組み合わせによる酸化シリコン膜の成膜などにも適用可能である。
Claims (3)
- 真空容器内に回転可能に収容され、複数の基板が載置される載置部を上面に有する回転テーブルと、
前記回転テーブルの前記上面の上方において区画される第1の処理領域に配置され、前記回転テーブルの前記上面に向けてガスを供給する第1のガス供給部と、
前記回転テーブルの周方向に沿って前記第1の処理領域から離間する第2の処理領域に配置され、前記回転テーブルの前記上面に対してガスを供給する第2のガス供給部と、
前記真空容器内において前記第1の処理領域と前記第2の処理領域との間に設けられ、
前記回転テーブルの前記上面に対して分離ガスを供給する分離ガス供給部、及び
前記分離ガス供給部からの前記分離ガスを前記第1の処理領域と前記第2の処理領域へ導く狭隘な空間を前記回転テーブルの前記上面に対して形成する天井面であって、前記回転テーブルの外縁に向かう方向に沿って、前記回転テーブルの周方向に沿う幅が大きくなる当該天井面を含む分離領域と
を備える成膜装置において行われる成膜方法であって、
前記回転テーブルを回転しながら、前記分離ガス供給部から前記分離ガスを供給して前記第1の処理領域と前記第2の処理領域とを分離しつつ、前記第1のガス供給部から前記第1の処理領域へTEMAZを供給すると共に、前記第2のガス供給部から前記第2の処理領域へ、前記TEMAZと反応し得るオゾンガスを供給し、酸化ジルコニウム膜を成膜するステップと、
前記回転テーブルを回転しながら、前記分離ガス供給部から前記分離ガスを供給して前記第1の処理領域と前記第2の処理領域とを分離しつつ、前記第1のガス供給部からTEMAZを供給することなく、前記第2のガス供給部から前記第2の処理領域へ前記オゾンガスを所定の期間供給し、前記酸化ジルコニウム膜の膜厚均一性を向上させるステップと、
を含み、
前記酸化ジルコニウム膜の膜厚均一性を向上させるステップは、プラズマを生成することなく少なくとも7.5秒間にわたり実行され、
前記TEMAZは、前記酸化ジルコニウム膜を成膜するステップにおいてのみ供給されるのに対し、前記オゾンガスは、前記酸化ジルコニウム膜を成膜するステップと前記酸化ジルコニウム膜の膜厚均一性を向上させるステップとを通じて連続的に供給される、
成膜方法。 - 前記酸化ジルコニウム膜の膜厚均一性を向上させるステップは、少なくとも8.0秒間にわたり実行される、請求項1に記載の成膜方法。
- 前記酸化ジルコニウム膜の膜厚均一性を向上させるステップにおける基板の温度は300℃である、請求項1又は2に記載の成膜方法。
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JP2012135150A JP5823922B2 (ja) | 2012-06-14 | 2012-06-14 | 成膜方法 |
US13/915,716 US8962495B2 (en) | 2012-06-14 | 2013-06-12 | Film deposition method |
KR1020130067777A KR101588083B1 (ko) | 2012-06-14 | 2013-06-13 | 성막 방법 |
TW102120843A TWI560309B (en) | 2012-06-14 | 2013-06-13 | Film deposition method |
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US9416448B2 (en) * | 2008-08-29 | 2016-08-16 | Tokyo Electron Limited | Film deposition apparatus, substrate processing apparatus, film deposition method, and computer-readable storage medium for film deposition method |
JP5107185B2 (ja) | 2008-09-04 | 2012-12-26 | 東京エレクトロン株式会社 | 成膜装置、基板処理装置、成膜方法及びこの成膜方法を実行させるためのプログラムを記録した記録媒体 |
US9297072B2 (en) | 2008-12-01 | 2016-03-29 | Tokyo Electron Limited | Film deposition apparatus |
JP5423529B2 (ja) * | 2010-03-29 | 2014-02-19 | 東京エレクトロン株式会社 | 成膜装置、成膜方法及び記憶媒体 |
JP6115244B2 (ja) * | 2013-03-28 | 2017-04-19 | 東京エレクトロン株式会社 | 成膜装置 |
JP6262115B2 (ja) | 2014-02-10 | 2018-01-17 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
JP5837962B1 (ja) * | 2014-07-08 | 2015-12-24 | 株式会社日立国際電気 | 基板処理装置、半導体装置の製造方法およびガス整流部 |
JP6280487B2 (ja) * | 2014-10-16 | 2018-02-14 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
KR102264257B1 (ko) | 2014-12-30 | 2021-06-14 | 삼성전자주식회사 | 막 형성 방법 및 이를 이용한 반도체 장치 제조 방법 |
JP6544232B2 (ja) * | 2015-12-25 | 2019-07-17 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
JP6548586B2 (ja) | 2016-02-03 | 2019-07-24 | 東京エレクトロン株式会社 | 成膜方法 |
US9887082B1 (en) * | 2016-07-28 | 2018-02-06 | Asm Ip Holding B.V. | Method and apparatus for filling a gap |
JP6733516B2 (ja) | 2016-11-21 | 2020-08-05 | 東京エレクトロン株式会社 | 半導体装置の製造方法 |
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US20060073276A1 (en) * | 2004-10-04 | 2006-04-06 | Eric Antonissen | Multi-zone atomic layer deposition apparatus and method |
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US20090324826A1 (en) * | 2008-06-27 | 2009-12-31 | Hitoshi Kato | Film Deposition Apparatus, Film Deposition Method, and Computer Readable Storage Medium |
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KR101588083B1 (ko) | 2016-01-25 |
US8962495B2 (en) | 2015-02-24 |
TW201413039A (zh) | 2014-04-01 |
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