JP2014096599A - ケイ素含有フィルムの低温堆積 - Google Patents
ケイ素含有フィルムの低温堆積 Download PDFInfo
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 38
- 239000010703 silicon Substances 0.000 title claims abstract description 38
- 230000008021 deposition Effects 0.000 title abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 81
- 239000002243 precursor Substances 0.000 claims abstract description 36
- 238000000151 deposition Methods 0.000 claims abstract description 30
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 27
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000000231 atomic layer deposition Methods 0.000 claims abstract description 24
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 17
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 16
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 40
- 239000000758 substrate Substances 0.000 claims description 30
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 25
- 239000001301 oxygen Substances 0.000 claims description 25
- 229910052760 oxygen Inorganic materials 0.000 claims description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 23
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 15
- 229910021529 ammonia Inorganic materials 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 238000010926 purge Methods 0.000 claims description 12
- 238000011065 in-situ storage Methods 0.000 claims description 10
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000000304 alkynyl group Chemical group 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- -1 monochlorosilane alkylsilane Chemical class 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims 8
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims 6
- 239000002994 raw material Substances 0.000 claims 5
- VVJKKWFAADXIJK-UHFFFAOYSA-N Allylamine Chemical compound NCC=C VVJKKWFAADXIJK-UHFFFAOYSA-N 0.000 claims 4
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims 4
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims 3
- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 claims 2
- 101150065749 Churc1 gene Proteins 0.000 claims 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims 2
- 102100038239 Protein Churchill Human genes 0.000 claims 2
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 claims 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims 2
- 150000002432 hydroperoxides Chemical class 0.000 claims 2
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 229910001868 water Inorganic materials 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000012686 silicon precursor Substances 0.000 claims 1
- 239000010408 film Substances 0.000 description 53
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 13
- 238000005137 deposition process Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 2
- 238000003775 Density Functional Theory Methods 0.000 description 1
- 238000004774 atomic orbital Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000005610 quantum mechanics Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
【解決手段】この堆積に用いられるケイ素含有前駆体は、モノクロロシラン(MCS)及びモノクロロアルキルシランである。この方法は、好ましくは、プラズマ原子層堆積、プラズマ化学気相成長、及びプラズマサイクリック化学気相成長を用いることによって実行される。
【選択図】図2
Description
a.基材と窒素含有原料とを接触させて、基材上に、窒素含有原料の少なくとも一部を吸着させるステップ;
b.未吸着の窒素含有原料をパージするステップ;
c.基材とケイ素含有前駆体とを接触させて、吸着した窒素含有原料の一部と反応させるステップ;及び
d.未反応のケイ素含有原料をパージするステップ;
ここで、この方法はプラズマで促進される方法である。
a.基材と酸素含有原料とを接触させて、基材上に、酸素含有原料の少なくとも一部を吸着させるステップ;
b.未吸着の酸素含有原料をパージするステップ;
c.基材とケイ素含有前駆体とを接触させて、吸着した酸素含有原料の一部と反応させるステップ;及び
d.未反応のケイ素含有原料をパージするステップ;
b.未吸着の酸素含有原料及び窒素含有原料をパージするステップ;
c.基材とケイ素含有前駆体とを接触させて、吸着した酸素含有原料及び窒素含有原料の一部と反応させるステップ;及び
d.未反応のケイ素含有原料をパージするステップ;
この実施例において、酸化ケイ素フィルムを次のステップを用いて堆積させた。
本実施態様において、酸化ケイ素フィルムを形成する方法は、次のステップを有する。
本実施態様において、酸窒化ケイ素フィルムを形成する方法は、次のステップを含む。
本実施態様において、炭素ドープ窒化ケイ素フィルムを形成する方法は、次のステップを含む。
本実施態様において、炭素ドープ酸化ケイ素フィルムを形成する方法は、次のステップを含む。
本実施態様において、炭素ドープ酸窒化ケイ素フィルムを形成する方法は、次のステップを含む。
Claims (22)
- 次のステップを含む方法であって、プラズマで促進される、窒化ケイ素又は炭素ドープ窒化ケイ素をプロセスチャンバー中で基材に堆積させる方法:
a.前記基材と窒素含有原料とを接触させて、前記基材上に、前記窒素含有原料の少なくとも一部を吸着させるステップ;
b.未吸着の窒素含有原料をパージするステップ;
c.前記基材とケイ素含有前駆体とを接触させて、吸着した窒素含有原料の前記一部と反応させるステップ;及び
d.未反応のケイ素含有原料をパージするステップ。 - 前記ケイ素含有原料が、モノクロロシランである、窒化ケイ素を堆積させる請求項1に記載の方法。
- 前記ケイ素含有原料が、次の一般式を有するモノクロロアルキルシランである、請求項1に記載の炭素ドープ窒化ケイ素を堆積する方法:ClSiHxR1 nR2 m−x(ここで、x=1、2;m=1、2、3;n=0、1;n+m=<3;R1及びR2は、個々に、炭素数1〜10を有するアルキル、アルケニル、アルキニル、及びアリールからなる群より選択される直鎖、分岐鎖又は環状の基である)。
- 前記ケイ素含有原料が、ClSiEtH2、ClSiEt2H、ClSi(CH=CH2)H2、ClSi(CH=CH2)MeH、ClSi(CH=CH2)EtH、ClSi(CCH)H2、ClSi(iso−Pr)2H、ClSi(sec−Bu)2H、ClSi(tert−Bu)2H、ClSi(iso−Pr)H2、ClSi(sec−Bu)H2、ClSi(tert−Bu)H2及びこれらの混合物からなる群より選択される、請求項3に記載の方法。
- プラズマ原子層堆積、及びプラズマサイクリック化学気相成長からなる群より選択される方法であって、前記プラズマが、アンモニアプラズマ、窒素プラズマ、窒素プラズマ及び水素プラズマの混合物、並びに窒素プラズマ及びアルゴンプラズマの混合物からなる群より選択され、プラズマ励起ケイ素前駆体が任意である、請求項1に記載の方法。
- 前記プラズマが、その場生成プラズマ、又はリモート生成プラズマである、請求項5に記載の方法。
- 窒化ケイ素を堆積させるための前記窒素含有原料が、窒素、アンモニア、ヒドラジン、モノアルキルヒドロジン、ジアルキルヒドロジン及びこれらの混合物から選択され;炭素ドープ窒化ケイ素を堆積させるための前記窒素含有前駆体が、窒素、アンモニア、ヒドラジン、モノアルキルヒドロジン、ジアルキルヒドロジン、ヒドロキシルアミン(NH2OH)、tert−ブチルアミン(NH2C(CH3)3)、アリルアミン(NH2CH2CHCH2)、ヒドロキシルアミン塩酸塩、メチルアミン、ジエチルアミン、トリエチルアミン及びこれらの混合物から選択される、請求項1に記載の方法。
- 次のステップを含む、酸化ケイ素又は炭素ドープ酸化ケイ素を、プロセスチャンバー中で基材に堆積させる方法:
a.前記基材と酸素含有原料とを接触させて、前記基材上に、前記酸素含有原料の少なくとも一部を吸着させるステップ;
b.未吸着の酸素含有原料をパージするステップ;
c.前記基材とケイ素含有前駆体とを接触させて、吸着した酸素含有原料の前記一部と反応させるステップ;及び
d.未反応のケイ素含有原料をパージするステップ; - 前記ケイ素含有原料が、モノクロロシランである、酸化ケイ素を堆積させる請求項8に記載の方法。
- 前記ケイ素含有原料が、次の一般式を有するモノクロロアルキルシランである、炭素ドープ酸化ケイ素を堆積させる請求項8に記載の方法:ClSiHxR1 nR2 m−x(ここで、x=1、2;m=1、2、3;n=0、1;n+m=<3;R1及びR2は、個々に、炭素数1〜10を有するアルキル、アルケニル、アルキニル、及びアリールからなる群より選択される直鎖、分岐鎖又は環状の基である)。
- 前記ケイ素含有原料が、ClSiEtH2、ClSiEt2H、ClSi(CH=CH2)H2、ClSi(CH=CH2)MeH、ClSi(CH=CH2)EtH、ClSi(CCH)H2、ClSi(iso−Pr)2H、ClSi(sec−Bu)2H、ClSi(tert−Bu)2H、ClSi(iso−Pr)H2、ClSi(sec−Bu)H2、ClSi(tert−Bu)H2及びこれらの混合物からなる群より選択される、請求項10に記載の方法。
- 前記方法が、プラズマ原子層堆積、プラズマ化学気相成長、及びプラズマサイクリック化学気相成長からなる群より選択される、請求項8に記載の方法。
- 前記プラズマが、その場生成プラズマ、又はリモート生成プラズマである、請求項12に記載の方法。
- 前記酸素含有原料が、酸素、水、窒素酸化物、オゾン、及びこれらの混合物からなる群より選択される、請求項8に記載の方法。
- 次のステップを含む、酸窒化ケイ素、又は炭素ドープ酸窒化ケイ素を、プロセスチャンバー中で基材に堆積させる方法:
a.前記基材と、酸素含有原料及び窒素含有原料の混合物とを接触させて、前記基材上に、前記酸素含有原料の少なくとも一部及び窒素含有原料の少なくとも一部を吸着させるステップ;
b.未吸着の酸素含有原料及び窒素含有原料をパージするステップ;
c.前記基材とケイ素含有前駆体とを接触させて、吸着した酸素含有原料及び窒素含有原料の前記一部と反応させるステップ;及び
d.未反応のケイ素含有原料をパージするステップ; - 前記ケイ素含有原料が、モノクロロシランである、酸窒化ケイ素を堆積させる請求項15に記載の方法。
- 前記ケイ素含有原料が、次の一般式を有するモノクロロアルキルシランである、炭素ドープ酸窒化ケイ素を堆積させる請求項15に記載の方法:ClSiHxR1 nR2 m−x(ここで、x=1、2;m=1、2、3;n=0、1;n+m=<3;R1及びR2は、個々に、炭素数1〜10を有するアルキル、アルケニル、アルキニル、及びアリールからなる群より選択される直鎖、分岐鎖又は環状の基である)。
- 前記ケイ素含有原料が、ClSiEtH2、ClSiEt2H、ClSi(CH=CH2)H2、ClSi(CH=CH2)MeH、ClSi(CH=CH2)EtH、ClSi(CCH)H2、ClSi(iso−Pr)2H、ClSi(sec−Bu)2H、ClSi(tert−Bu)2H、ClSi(iso−Pr)H2、ClSi(sec−Bu)H2、ClSi(tert−Bu)H2及びこれらの混合物からなる群より選択される、請求項17に記載の方法。
- 前記方法が、プラズマ原子層堆積、プラズマ化学気相成長及びプラズマサイクリック化学気相成長からなる群より選択される、請求項15に記載の方法。
- 前記プラズマが、その場生成プラズマ、又はリモート生成プラズマである、請求項19に記載の方法。
- 前記酸素含有原料が、酸素、水、窒素酸化物、オゾン、及びこれらの混合物からなる群より選択される、請求項15に記載の方法。
- 前記窒素含有原料が、窒素、アンモニア、ヒドラジン、モノアルキルヒドロジン、ジアルキルヒドロジン及びこれらの混合物から選択され;炭素ドープ窒化ケイ素を堆積させるための前記窒素含有前駆体が、窒素、アンモニア、ヒドラジン、モノアルキルヒドロジン、ジアルキルヒドロジン、ヒドロキシルアミン(NH2OH)、tert−ブチルアミン(NH2C(CH3)3)、アリルアミン(NH2CH2CHCH2)、ヒドロキシルアミン塩酸塩、メチルアミン、ジエチルアミン、トリエチルアミン及びこれらの混合物から選択される、請求項15に記載の方法。
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JP2022003689A (ja) * | 2015-11-12 | 2022-01-11 | エーエスエム アイピー ホールディング ビー.ブイ. | SiOCN薄膜の形成 |
JP7135187B2 (ja) | 2015-11-12 | 2022-09-12 | エーエスエム アイピー ホールディング ビー.ブイ. | SiOCN薄膜の形成 |
US11996284B2 (en) | 2015-11-12 | 2024-05-28 | Asm Ip Holding B.V. | Formation of SiOCN thin films |
US11562900B2 (en) | 2016-05-06 | 2023-01-24 | Asm Ip Holding B.V. | Formation of SiOC thin films |
US11776807B2 (en) | 2017-05-05 | 2023-10-03 | ASM IP Holding, B.V. | Plasma enhanced deposition processes for controlled formation of oxygen containing thin films |
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JP5890386B2 (ja) | 2016-03-22 |
JP2012216873A (ja) | 2012-11-08 |
KR101444707B1 (ko) | 2014-09-26 |
CN102047386B (zh) | 2013-06-19 |
JP5102393B2 (ja) | 2012-12-19 |
JP2011524087A (ja) | 2011-08-25 |
KR20130039769A (ko) | 2013-04-22 |
KR101266135B1 (ko) | 2013-05-27 |
JP5453495B2 (ja) | 2014-03-26 |
CN102047386A (zh) | 2011-05-04 |
KR20110017404A (ko) | 2011-02-21 |
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