JP4950800B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP4950800B2 JP4950800B2 JP2007201855A JP2007201855A JP4950800B2 JP 4950800 B2 JP4950800 B2 JP 4950800B2 JP 2007201855 A JP2007201855 A JP 2007201855A JP 2007201855 A JP2007201855 A JP 2007201855A JP 4950800 B2 JP4950800 B2 JP 4950800B2
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- oxide film
- silicon oxide
- film
- sulfuric acid
- manufacturing
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- 239000004065 semiconductor Substances 0.000 title claims description 67
- 238000004519 manufacturing process Methods 0.000 title claims description 49
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 70
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 70
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 60
- 229920001709 polysilazane Polymers 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 53
- 239000000758 substrate Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 claims description 18
- 239000011259 mixed solution Substances 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 2
- 239000010408 film Substances 0.000 description 148
- 238000002955 isolation Methods 0.000 description 29
- 238000007254 oxidation reaction Methods 0.000 description 22
- 230000003647 oxidation Effects 0.000 description 21
- 238000011282 treatment Methods 0.000 description 21
- 239000012535 impurity Substances 0.000 description 20
- 239000007788 liquid Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 19
- 238000005530 etching Methods 0.000 description 15
- 239000010410 layer Substances 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 229910052581 Si3N4 Inorganic materials 0.000 description 9
- 238000009835 boiling Methods 0.000 description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 239000012298 atmosphere Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 238000001020 plasma etching Methods 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000010306 acid treatment Methods 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000007654 immersion Methods 0.000 description 5
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000004528 spin coating Methods 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000293849 Cordylanthus Species 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000006057 reforming reaction Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
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- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/312—Organic layers, e.g. photoresist
- H01L21/3121—Layers comprising organo-silicon compounds
- H01L21/3125—Layers comprising organo-silicon compounds layers comprising silazane compounds
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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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
- C23C18/122—Inorganic polymers, e.g. silanes, polysilazanes, polysiloxanes
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/125—Process of deposition of the inorganic material
- C23C18/1287—Process of deposition of the inorganic material with flow inducing means, e.g. ultrasonic
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- 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
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
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- 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
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02219—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and nitrogen
- H01L21/02222—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and nitrogen the compound being a silazane
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- 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
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
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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
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
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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
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02343—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a liquid
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- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/314—Inorganic layers
- H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
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- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/314—Inorganic layers
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- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
- H01L21/67086—Apparatus for fluid treatment for etching for wet etching with the semiconductor substrates being dipped in baths or vessels
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Description
基板上に過水素化ポリシラザンを塗布し、
少なくとも前記過水素化ポリシラザンを塗布した前記基板上を、超音波が印加されるとともに120℃以上に加熱された水を含む混合液に浸漬して、前記過水素化ポリシラザンを酸化シリコンに改質する
ことを特徴とする。
1a 吐出口
2 外槽
3 洗浄槽
4 薬液注入配管
5 バルブ
6 ポンプ
7 循環配管
8 ヒータ
9 フィルタ
10 超音波生成器
11 半導体基板
12 ゲート酸化膜
13 電荷蓄積層
14 マスク層
15 トレンチ
16 ライナー層
17 素子分離領域
18 ONO膜
19 ポリシリコン層
20 シリコン窒化膜
21 コンタクトホール
22 配線部
100 半導体製造装置
400 半導体装置
401 ガラス基板11
402 シリコン酸化膜
403 非晶質シリコン
404 シリコン酸化膜
405 ゲート電極膜
406 シリコン酸化膜
407 配線
408 配線
Claims (6)
- 基板上に過水素化ポリシラザンを塗布し、
少なくとも前記過水素化ポリシラザンを塗布した前記基板上を、超音波が印加されるとともに120℃以上に加熱された水を含む混合液に浸漬して、前記過水素化ポリシラザンを酸化シリコンに改質することを特徴とする半導体装置の製造方法。 - 前記混合液は、硫酸水であることを特徴とする請求項1に記載の半導体装置の製造方法。
- 前記硫酸水の硫酸濃度が45%以上96%以下であることを特徴とする請求項2に記載の半導体装置の製造方法。
- 少なくとも前記過水素化ポリシラザンを塗布した前記基板上を、100℃未満の温水または硫酸水に浸漬し、続けて超音波が印加されるとともに120℃以上に加熱された硫酸水に浸漬することを特徴とする請求項1に記載の半導体装置の製造方法。
- 前記改質により生成されたシリコン酸化膜を、CMP処理によりエッチングすることを特徴とする請求項1に記載の半導体装置の製造方法。
- 前記改質により生成されたシリコン酸化膜を、フッ酸を含むエッチング液でウエットエッチングすることを特徴とする請求項1に記載の半導体装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007201855A JP4950800B2 (ja) | 2006-08-25 | 2007-08-02 | 半導体装置の製造方法 |
US11/892,634 US20080064212A1 (en) | 2006-08-25 | 2007-08-24 | Method of manufacturing semiconductor device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006228704 | 2006-08-25 | ||
JP2006228704 | 2006-08-25 | ||
JP2007201855A JP4950800B2 (ja) | 2006-08-25 | 2007-08-02 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008078627A JP2008078627A (ja) | 2008-04-03 |
JP4950800B2 true JP4950800B2 (ja) | 2012-06-13 |
Family
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JP2009076638A (ja) * | 2007-09-20 | 2009-04-09 | Toshiba Corp | 半導体装置の製造方法 |
JP5329825B2 (ja) * | 2008-02-25 | 2013-10-30 | 株式会社東芝 | 半導体装置の製造方法 |
KR100983693B1 (ko) * | 2008-04-10 | 2010-09-24 | 주식회사 하이닉스반도체 | 고집적 반도체 장치 내 수직형 트랜지스터의 제조 방법 |
US8030170B2 (en) * | 2009-12-08 | 2011-10-04 | Micron Technology, Inc. | Methods of forming isolation structures, and methods of forming nonvolatile memory |
US20120276714A1 (en) * | 2011-04-28 | 2012-11-01 | Nanya Technology Corporation | Method of oxidizing polysilazane |
JPWO2013065771A1 (ja) * | 2011-11-01 | 2015-04-02 | 株式会社日立国際電気 | 半導体装置の製造方法、半導体装置の製造装置及び記録媒体 |
CN105244322B (zh) * | 2014-06-18 | 2018-12-21 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构的形成方法 |
WO2021131832A1 (ja) * | 2019-12-27 | 2021-07-01 | 東京エレクトロン株式会社 | 基板処理装置および基板処理方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4451969A (en) * | 1983-01-10 | 1984-06-05 | Mobil Solar Energy Corporation | Method of fabricating solar cells |
US5355048A (en) * | 1993-07-21 | 1994-10-11 | Fsi International, Inc. | Megasonic transducer for cleaning substrate surfaces |
US5747623A (en) * | 1994-10-14 | 1998-05-05 | Tonen Corporation | Method and composition for forming ceramics and article coated with the ceramics |
DE69638288D1 (de) * | 1995-07-13 | 2010-12-30 | Az Electronic Materials Usa | Zusammensetzung und verfahren zur herstellung von keramischen materialien |
JP3919862B2 (ja) * | 1996-12-28 | 2007-05-30 | Azエレクトロニックマテリアルズ株式会社 | 低誘電率シリカ質膜の形成方法及び同シリカ質膜 |
JPH1197437A (ja) * | 1997-09-18 | 1999-04-09 | Asahi Kasei Micro Syst Co Ltd | 半導体装置の製造方法および製造装置 |
US6479405B2 (en) * | 2000-10-12 | 2002-11-12 | Samsung Electronics Co., Ltd. | Method of forming silicon oxide layer in semiconductor manufacturing process using spin-on glass composition and isolation method using the same method |
KR100354442B1 (ko) * | 2000-12-11 | 2002-09-28 | 삼성전자 주식회사 | 반도체 장치의 스핀 온 글래스 절연막 형성 방법 |
JP3889271B2 (ja) * | 2000-12-15 | 2007-03-07 | 株式会社東芝 | 半導体装置の製造方法 |
US6699799B2 (en) * | 2001-05-09 | 2004-03-02 | Samsung Electronics Co., Ltd. | Method of forming a semiconductor device |
US6941956B2 (en) * | 2002-03-18 | 2005-09-13 | Dainippon Screen Mfg. Co., Ltd. | Substrate treating method and apparatus |
KR100499171B1 (ko) * | 2003-07-21 | 2005-07-01 | 삼성전자주식회사 | 스핀온글래스에 의한 산화실리콘막의 형성방법 |
US7192891B2 (en) * | 2003-08-01 | 2007-03-20 | Samsung Electronics, Co., Ltd. | Method for forming a silicon oxide layer using spin-on glass |
US6972241B2 (en) * | 2004-01-20 | 2005-12-06 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method of forming an STI feature to avoid electrical charge leakage |
US7521378B2 (en) * | 2004-07-01 | 2009-04-21 | Micron Technology, Inc. | Low temperature process for polysilazane oxidation/densification |
JP2006156471A (ja) * | 2004-11-25 | 2006-06-15 | Toshiba Corp | 半導体装置および半導体装置の製造方法 |
US7682927B2 (en) * | 2005-03-25 | 2010-03-23 | Kabushiki Kaisha Toshiba | Method of manufacturing semiconductor device |
JP4417882B2 (ja) * | 2005-05-27 | 2010-02-17 | 株式会社東芝 | 半導体装置の製造方法 |
JP5091428B2 (ja) * | 2005-06-14 | 2012-12-05 | 株式会社東芝 | 半導体装置の製造方法 |
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2007
- 2007-08-02 JP JP2007201855A patent/JP4950800B2/ja not_active Expired - Fee Related
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