JP2021531648A - 低温熱高品質の誘電体膜 - Google Patents
低温熱高品質の誘電体膜 Download PDFInfo
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- JP2021531648A JP2021531648A JP2021500899A JP2021500899A JP2021531648A JP 2021531648 A JP2021531648 A JP 2021531648A JP 2021500899 A JP2021500899 A JP 2021500899A JP 2021500899 A JP2021500899 A JP 2021500899A JP 2021531648 A JP2021531648 A JP 2021531648A
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- 239000000758 substrate Substances 0.000 claims abstract description 132
- 238000000034 method Methods 0.000 claims abstract description 76
- 238000012545 processing Methods 0.000 claims abstract description 63
- 239000002243 precursor Substances 0.000 claims abstract description 41
- 238000000151 deposition Methods 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims description 86
- 230000008569 process Effects 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 28
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- UIUXUFNYAYAMOE-UHFFFAOYSA-N methylsilane Chemical compound [SiH3]C UIUXUFNYAYAMOE-UHFFFAOYSA-N 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 9
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 9
- 229910000077 silane Inorganic materials 0.000 claims description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000001307 helium Substances 0.000 claims description 8
- 229910052734 helium Inorganic materials 0.000 claims description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 8
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- 229910052814 silicon oxide Inorganic materials 0.000 claims description 8
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 claims description 8
- GIRKRMUMWJFNRI-UHFFFAOYSA-N tris(dimethylamino)silicon Chemical compound CN(C)[Si](N(C)C)N(C)C GIRKRMUMWJFNRI-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- KWEKXPWNFQBJAY-UHFFFAOYSA-N (dimethyl-$l^{3}-silanyl)oxy-dimethylsilicon Chemical compound C[Si](C)O[Si](C)C KWEKXPWNFQBJAY-UHFFFAOYSA-N 0.000 claims description 5
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 claims description 5
- 229910003902 SiCl 4 Inorganic materials 0.000 claims description 5
- KSBGKOHSBWCTOP-UHFFFAOYSA-N bis(silylmethyl)silane Chemical compound [SiH3]C[SiH2]C[SiH3] KSBGKOHSBWCTOP-UHFFFAOYSA-N 0.000 claims description 5
- BUMGIEFFCMBQDG-UHFFFAOYSA-N dichlorosilicon Chemical compound Cl[Si]Cl BUMGIEFFCMBQDG-UHFFFAOYSA-N 0.000 claims description 5
- UBHZUDXTHNMNLD-UHFFFAOYSA-N dimethylsilane Chemical compound C[SiH2]C UBHZUDXTHNMNLD-UHFFFAOYSA-N 0.000 claims description 5
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 claims description 5
- OWKFQWAGPHVFRF-UHFFFAOYSA-N n-(diethylaminosilyl)-n-ethylethanamine Chemical compound CCN(CC)[SiH2]N(CC)CC OWKFQWAGPHVFRF-UHFFFAOYSA-N 0.000 claims description 5
- 239000005049 silicon tetrachloride Substances 0.000 claims description 5
- IEXRMSFAVATTJX-UHFFFAOYSA-N tetrachlorogermane Chemical compound Cl[Ge](Cl)(Cl)Cl IEXRMSFAVATTJX-UHFFFAOYSA-N 0.000 claims description 5
- PPMWWXLUCOODDK-UHFFFAOYSA-N tetrafluorogermane Chemical compound F[Ge](F)(F)F PPMWWXLUCOODDK-UHFFFAOYSA-N 0.000 claims description 5
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 claims description 5
- 239000005052 trichlorosilane Substances 0.000 claims description 5
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 claims description 5
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 claims description 5
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 claims description 4
- 229910052724 xenon Inorganic materials 0.000 claims description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 4
- 125000006309 butyl amino group Chemical group 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims 13
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- 239000012895 dilution Substances 0.000 claims 2
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- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- VYIRVGYSUZPNLF-UHFFFAOYSA-N n-(tert-butylamino)silyl-2-methylpropan-2-amine Chemical compound CC(C)(C)N[SiH2]NC(C)(C)C VYIRVGYSUZPNLF-UHFFFAOYSA-N 0.000 claims 1
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- 239000011261 inert gas Substances 0.000 description 4
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- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
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- 241000894007 species Species 0.000 description 2
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- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
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- 239000004642 Polyimide Substances 0.000 description 1
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical class O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- FAUIDPFKEVQLLR-UHFFFAOYSA-N [O-2].[Zr+4].[Si+4].[O-2].[O-2].[O-2] Chemical compound [O-2].[Zr+4].[Si+4].[O-2].[O-2].[O-2] FAUIDPFKEVQLLR-UHFFFAOYSA-N 0.000 description 1
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- 230000008033 biological extinction Effects 0.000 description 1
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
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- 239000006227 byproduct Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
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- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 description 1
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- 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
- 239000001301 oxygen Substances 0.000 description 1
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- RGZQGGVFIISIHZ-UHFFFAOYSA-N strontium titanium Chemical compound [Ti].[Sr] RGZQGGVFIISIHZ-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/02274—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
-
- 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
- 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]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
- C23C16/45536—Use of plasma, radiation or electromagnetic fields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32082—Radio frequency generated discharge
- H01J37/32174—Circuits specially adapted for controlling the RF discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
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Abstract
Description
[0078]実施例1
[0079]温度100℃、圧力400mTorrで処理ガスとして30sccmのSiH4、100sccmのNH3、及びN2を流し、希釈ガスとしてAr(g)とHe(g)を用いたCVDリアクタで、基板ペデスタル(静電チャック)を通して200ワットのRF(13.56MHz)電力を印加してすることによって、低温、高品質の窒化ケイ素誘電体膜を製造した。得られた誘電体膜は1.82(633nm)の屈折率(RI)を有し、これは同じ温度でPECVDから形成した誘電体膜よりはるかに高かった。同調電力(より高い)と圧力(より低い)により、RIは改善された。一次RFと二次RFは、350KHz、2MHz、13.56MHz、27MHz、40MHz、60MHz、100MHzの任意の組合せとすることができよう。
Claims (15)
- 基板を処理する方法であって、
前駆体含有混合ガスを、静電チャック上に配置された基板を有する処理チャンバの処理空間に流入させることと、
前記基板を約0.1mTorrから約10Torrの範囲の圧力、及び約−50℃から約150℃の範囲の温度に維持することと、
第1のRFバイアスを前記静電チャックに印加して、約1.5から約3の範囲の屈折率を有する誘電体膜を前記基板上に堆積させることにより、基板レベルでプラズマを発生させることと
を含む、方法。 - 第2のRFバイアスを前記静電チャックに印加して前記基板レベルで前記プラズマを発生させることを更に含み、前記第2のRFバイアスが、約10ワットから約3000ワットの範囲の電力で、かつ約350KHzから約100MHzの範囲の周波数で提供されるか、又は前記第2のRFバイアスが、約2MHzの周波数で約800ワットから約1200ワットの範囲の電力で提供される、請求項1に記載の方法。
- 前記第1のRFバイアスが、約10ワットから約3000ワットの範囲の電力で、かつ約350KHzから約100MHzの範囲の周波数で提供されるか、又は前記第1のRFバイアスが、約13.56MHzの周波数で約2500ワットから約3000ワットの範囲の電力で提供される、請求項1に記載の方法。
- チャック電圧を前記静電チャック上に配置された前記基板に印加することを更に含む、請求項1に記載の方法。
- 前記前駆体含有混合ガスが、シラン(SiH4)、トリエトキシシラン(SiH(OEt)3)、テトラエトキシシラン(テトラエチルオルトシリケート;Si(OEt)4若しくはTEOS)、ジシラン(Si2H6)、SiH(CH3)3、ジメチルシラン(SiH2(CH3)2)、メチルシラン(SiH3CH3)、ジクロロシラン(SiH2Cl2)、四塩化ケイ素(SiCl4)、四フッ化ケイ素(SiF4)、トリクロロシラン(HSiCl3)、メチルシラン(CH3SiH3)、トリメチルシラン(C3H10Si)、1,1,3,3−テトラメチルジシロキサン(TMDZ)、1,3,5−トリシラペンタン(TSP)、(ビス(ターシャルブチルアミノ)シラン(BTBAS)、(ビス(ジエチルアミノ)シラン(BDEAS)、トリス(ジメチルアミノ)シラン(TDMAS)、(Si[N(tBu)CH=CHN(tBu)](OEt)2(Si−TBES)、Si[N(tBu)CH=CHN(tBu)](H)NH2(Si−TBAS)、ゲルマン(GeH4)、四塩化ゲルマニウム(GeCl4)、四フッ化ゲルマニウム(GeF4)、t−ブチルゲルマン(GeH(CH3)3)、N2O、O2、NH3、N2、H2、C2H2、又はC3H6から選択される1つ又は複数の前駆体を含む、請求項1に記載の方法。
- 前記前駆体含有混合ガスが、ヘリウム(He)、アルゴン(Ar)、キセノン(Xe)、クリプトン(Kr)、窒素(N2)、又は水素(H2)から選択される1つ又は複数の希釈ガスを含む、請求項1に記載の方法。
- 前記誘電体膜が、ケイ素、窒化ケイ素、炭化ケイ素、酸化ケイ素、酸炭化ケイ素、酸炭窒化ケイ素、酸窒化ケイ素、窒化チタン、又は酸化物と窒化物との複合物のうちの1つ又は複数を含む、請求項1に記載の方法。
- 基板を処理する方法であって、
前駆体含有混合ガスを、静電チャック上に配置された基板を有する処理チャンバの処理空間に流入させることであって、前記前駆体含有混合ガスが、シラン(SiH4)、トリエトキシシラン(SiH(OEt)3)、テトラエトキシシラン(テトラエチルオルトシリケート;Si(OEt)4若しくはTEOS)、ジシラン(Si2H6)、SiH(CH3)3、ジメチルシラン(SiH2(CH3)2)、メチルシラン(SiH3CH3)、ジクロロシラン(SiH2Cl2)、四塩化ケイ素(SiCl4)、四フッ化ケイ素(SiF4)、トリクロロシラン(HSiCl3)、メチルシラン(CH3SiH3)、トリメチルシラン(C3H10Si)、1,1,3,3−テトラメチルジシロキサン(TMDZ)、1,3,5−トリシラペンタン(TSP)、(ビス(ターシャルブチルアミノ)シラン(BTBAS)、(ビス(ジエチルアミノ)シラン(BDEAS)、トリス(ジメチルアミノ)シラン(TDMAS)、(Si[N(tBu)CH=CHN(tBu)](OEt)2(Si−TBES)、Si[N(tBu)CH=CHN(tBu)](H)NH2(Si−TBAS)、ゲルマン(GeH4)、四塩化ゲルマニウム(GeCl4)、四フッ化ゲルマニウム(GeF4)、t−ブチルゲルマン(GeH(CH3)3)、N2O、O2、NH3、N2、H2、C2H2、又はC3H6から選択される1つ又は複数の前駆体を含む、前駆体含有混合ガスを、静電チャック上に配置された基板を有する処理チャンバの処理空間に流入させることと、
前記基板を約0.1mTorrから約10Torrの範囲の圧力に維持することと、
第1のRFバイアス及び第2のRFバイアスを前記静電チャックに印加して、約1.5から約3の範囲の屈折率を有する誘電体膜を前記基板上に堆積させることにより、基板レベルでプラズマを発生させることと
を含む、方法。 - 前記第1のRFバイアスが、約13.56MHzの周波数で、約2500ワットから約3000ワットの範囲の電力で提供される、請求項8に記載の方法。
- 前記第2のRFバイアスが、約2MHzの周波数において約800ワットから約1200ワットの範囲の電力で提供される、請求項8に記載の方法。
- 基板を処理する方法であって、
前駆体含有混合ガスを、静電チャック上に配置された基板を有する処理チャンバの処理空間に流入させることと、
前記処理空間を約0.1mTorrから約10Torrの範囲の圧力に維持することと、
第1のRFバイアス及び第2のRFバイアスを前記静電チャックに印加して、約1.5から約3の範囲の屈折率を有する誘電体膜を前記基板上に堆積させることにより、基板レベルでプラズマを発生させることと、
パターニングされたフォトレジスト層を前記誘電体膜上に形成することと、
前記パターニングされたフォトレジスト層に対応するパターンで前記誘電体膜をエッチングして、前記誘電体膜のエッチングされた部分を提供することと、
前記パターンを前記基板内にエッチングすることと、
前記誘電体膜の前記エッチングされた部分に材料を堆積させることと
を含む、方法。 - 前記第1のRFバイアスが、約350KHzから約100MHzの周波数において、約10ワットから約3000ワットの範囲の電力で提供される、請求項11に記載の方法。
- 前記第2のRFバイアスが、約350KHzから約100MHzの範囲の周波数において、約10ワットから約3000ワットの範囲の電力で提供される、請求項11に記載の方法。
- 前記前駆体含有混合ガスが、シラン(SiH4)、トリエトキシシラン(SiH(OEt)3)、テトラエトキシシラン(テトラエチルオルトシリケート;Si(OEt)4若しくはTEOS)、ジシラン(Si2H6)、SiH(CH3)3、ジメチルシラン(SiH2(CH3)2)、メチルシラン(SiH3CH3)、ジクロロシラン(SiH2Cl2)、四塩化ケイ素(SiCl4)、四フッ化ケイ素(SiF4)、トリクロロシラン(HSiCl3)、メチルシラン(CH3SiH3)、トリメチルシラン(C3H10Si)、1,1,3,3−テトラメチルジシロキサン(TMDZ)、1,3,5−トリシラペンタン(TSP)、(ビス(ターシャルブチルアミノ)シラン(BTBAS)、(ビス(ジエチルアミノ)シラン(BDEAS)、トリス(ジメチルアミノ)シラン(TDMAS)、(Si[N(tBu)CH=CHN(tBu)](OEt)2(Si−TBES)、Si[N(tBu)CH=CHN(tBu)](H)NH2(Si−TBAS)、ゲルマン(GeH4)、四塩化ゲルマニウム(GeCl4)、四フッ化ゲルマニウム(GeF4)、t−ブチルゲルマン(GeH(CH3)3)、N2O、O2、NH3、N2、H2、C2H2、又はC3H6から選択される1つ又は複数の前駆体を含む、請求項11に記載の方法。
- 前記前駆体含有混合ガスが、ヘリウム(He)、アルゴン(Ar)、キセノン(Xe)、クリプトン(Kr)、窒素(N2)、又は水素(H2)から選択される1つ又は複数の希釈ガスを含む、請求項11に記載の方法。
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