JP5941653B2 - シリコン窒化膜の成膜方法及びシリコン窒化膜の成膜装置 - Google Patents
シリコン窒化膜の成膜方法及びシリコン窒化膜の成膜装置 Download PDFInfo
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- 229910052581 Si3N4 Inorganic materials 0.000 title claims description 126
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims description 126
- 238000000034 method Methods 0.000 title claims description 32
- 239000007789 gas Substances 0.000 claims description 335
- 238000012545 processing Methods 0.000 claims description 120
- 230000005284 excitation Effects 0.000 claims description 108
- 239000000758 substrate Substances 0.000 claims description 72
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 45
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 44
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 44
- 229910000077 silane Inorganic materials 0.000 claims description 44
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 38
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 238000009832 plasma treatment Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 52
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 38
- 239000011521 glass Substances 0.000 description 35
- 238000005401 electroluminescence Methods 0.000 description 31
- 229910052786 argon Inorganic materials 0.000 description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000010494 dissociation reaction Methods 0.000 description 10
- 230000005593 dissociations Effects 0.000 description 10
- 238000007789 sealing Methods 0.000 description 10
- 238000012546 transfer Methods 0.000 description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 8
- 238000001039 wet etching Methods 0.000 description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 238000005108 dry cleaning Methods 0.000 description 6
- 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 6
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 150000003254 radicals Chemical class 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000000151 deposition Methods 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
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910052596 spinel Inorganic materials 0.000 description 3
- 239000011029 spinel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 229910007991 Si-N Inorganic materials 0.000 description 1
- 229910006294 Si—N Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 150000002831 nitrogen free-radicals Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000006884 silylation reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- H—ELECTRICITY
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- 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]
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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
- C23C16/34—Nitrides
- C23C16/345—Silicon nitride
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
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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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- C23C16/455—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
- C23C16/45563—Gas nozzles
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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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- C23C16/455—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
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- H01L21/02299—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment
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Description
16 プラズマ成膜装置
20 アノード層
21 発光層
22 カソード層
23 シリコン窒化膜
30 処理容器
31 載置台
42 ラジアルラインスロットアンテナ
60 原料ガス供給構造体
62 開口部
63 原料ガス供給口
70 第1のプラズマ励起用ガス供給口
80 プラズマ励起用ガス供給構造体
82 第2のプラズマ励起用ガス供給口
83 開口部
90 排気口
100 制御部
A 有機ELデバイス
G ガラス基板
R1 プラズマ生成領域
R2 原料ガス解離領域
Claims (16)
- 処理容器内に収容された基板上にシリコン窒化膜を成膜する成膜方法であって、
前記処理容器内にシラン系ガス、窒素ガス及び水素ガスを含む処理ガスを供給し、
前記処理ガスを励起させてプラズマを生成し、当該プラズマによるプラズマ処理を行って基板上にシリコン窒化膜を成膜し、
前記処理容器内に供給される前記処理ガスにおいて、前記シラン系ガスの供給流量に対する前記窒素ガスの供給流量の比は、1〜1.5であることを特徴とする、シリコン窒化膜の成膜方法。 - 前記プラズマによるプラズマ処理中、前記処理容器内の圧力を20Pa〜60Paに維持することを特徴とする、請求項1に記載のシリコン窒化膜の成膜方法。
- 前記水素ガスの供給流量を制御して、前記シリコン窒化膜の膜応力を制御することを特徴とする、請求項1又は2に記載のシリコン窒化膜の成膜方法。
- 前記プラズマは、マイクロ波によって前記処理ガスが励起されて生成されることを特徴とする、請求項1〜3のいずれかに記載のシリコン窒化膜の成膜方法。
- 前記マイクロ波のパワーを制御して、前記シリコン窒化膜の膜応力を制御することを特徴とする、請求項4に記載のシリコン窒化膜の成膜方法。
- 前記処理ガスは、前記シリコン窒化膜を成膜するための原料ガスと、前記プラズマを生成するためのプラズマ励起用ガスとを含み、
前記原料ガスの供給は、前記プラズマ励起用ガスによる前記プラズマの生成と同時又は前記プラズマの生成前に行われることを特徴とする、請求項1〜5のいずれかに記載のシリコン窒化膜の成膜方法。 - 基板上にシリコン窒化膜を成膜する成膜装置であって、
基板を収容し処理する処理容器と、
前記処理容器内に、シラン系ガス、窒素ガス及び水素ガスを含む処理ガスを供給する処理ガス供給部と、
前記処理ガスを励起させてプラズマを生成するプラズマ励起部と、
前記プラズマによるプラズマ処理を行って基板上にシリコン窒化膜を成膜するように、前記処理ガス供給部と前記プラズマ励起部を制御する制御部と、を有し、
前記制御部は、前記シラン系ガスの供給流量に対する前記窒素ガスの供給流量の比が1〜1.5になるように、前記処理ガス供給部を制御することを特徴とする、シリコン窒化膜の成膜装置。 - 前記制御部は、前記プラズマによるプラズマ処理中、前記処理容器内の圧力を20Pa〜60Paに維持するように、前記処理ガス供給部を制御することを特徴とする、請求項7に記載のシリコン窒化膜の成膜装置。
- 前記制御部は、前記水素ガスの供給流量を制御して、前記シリコン窒化膜の膜応力を制御することを特徴とする、請求項7又は8に記載のシリコン窒化膜の成膜装置。
- 前記プラズマ励起部は、マイクロ波を供給して前記処理ガスを励起することを特徴とする、請求項7〜9のいずれかに記載のシリコン窒化膜の成膜装置。
- 前記制御部は、前記マイクロ波のパワーを制御して、前記シリコン窒化膜の膜応力を制御することを特徴とする、請求項10に記載のシリコン窒化膜の成膜装置。
- 前記処理ガスは、前記シリコン窒化膜を成膜するための原料ガスと、前記プラズマを生成するためのプラズマ励起用ガスとを含み、
前記制御部は、前記原料ガスの供給が、前記プラズマ励起用ガスによる前記プラズマの生成と同時又は前記プラズマの生成前に行われるように、前記処理ガス供給部と前記プラズマ励起部を制御することを特徴とする、請求項7〜11のいずれかに記載のシリコン窒化膜の成膜装置。 - 前記処理ガスは、前記シリコン窒化膜を成膜するための原料ガスと、前記プラズマを生成するためのプラズマ励起用ガスとを含み、
前記処理容器の上部には、前記プラズマ励起部が設けられ、
前記処理容器の下部には、基板を載置する載置部が設けられ、
前記プラズマ励起部と前記載置部との間には、前記処理容器内を区画し、前記処理ガス供給部を構成するプラズマ励起用ガス供給構造体及び原料ガス供給構造体が設けられ、
前記プラズマ励起用ガス供給構造体には、前記プラズマ励起部側の領域に前記プラズマ励起用ガスを供給するプラズマ励起用ガス供給口と、前記プラズマ励起部側の領域で生成された前記プラズマを前記載置部側の領域に通過させる開口部とが形成され、
前記原料ガス供給構造体には、前記載置部側の領域に前記原料ガスを供給する原料ガス供給口と、前記プラズマ励起部側の領域で生成された前記プラズマを前記載置部側の領域に通過させる開口部とが形成されていることを特徴とする、請求項7〜12のいずれかに記載のシリコン窒化膜の成膜装置。 - 前記プラズマ励起用ガス供給構造体は、前記プラズマ励起部から30mm以内の位置に配置されていることを特徴とする、請求項13に記載のシリコン窒化膜の成膜装置。
- 前記原料ガス供給口は、水平方向に向けて形成されていることを特徴とする、請求項13又は14に記載のシリコン窒化膜の成膜装置。
- 前記原料ガス供給口は、その内径が内側から外側に向かってテーパ状に拡大するように形成されていることを特徴とする、請求項15に記載のシリコン窒化膜の成膜装置。
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