JP7018729B2 - 成膜方法 - Google Patents
成膜方法 Download PDFInfo
- Publication number
- JP7018729B2 JP7018729B2 JP2017179464A JP2017179464A JP7018729B2 JP 7018729 B2 JP7018729 B2 JP 7018729B2 JP 2017179464 A JP2017179464 A JP 2017179464A JP 2017179464 A JP2017179464 A JP 2017179464A JP 7018729 B2 JP7018729 B2 JP 7018729B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- gas
- metal
- metal oxide
- oxide film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 66
- 230000015572 biosynthetic process Effects 0.000 title claims description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims description 83
- 150000004706 metal oxides Chemical class 0.000 claims description 83
- 229910052751 metal Inorganic materials 0.000 claims description 65
- 239000002184 metal Substances 0.000 claims description 65
- 229910003481 amorphous carbon Inorganic materials 0.000 claims description 51
- 230000008569 process Effects 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 183
- 229910010413 TiO 2 Inorganic materials 0.000 description 68
- 238000010926 purge Methods 0.000 description 48
- 230000003647 oxidation Effects 0.000 description 28
- 238000007254 oxidation reaction Methods 0.000 description 28
- 210000002381 plasma Anatomy 0.000 description 25
- 238000001179 sorption measurement Methods 0.000 description 20
- 150000002500 ions Chemical class 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 229910052736 halogen Inorganic materials 0.000 description 6
- 150000002367 halogens Chemical class 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000000231 atomic layer deposition Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
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
- C23C16/22—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
- C23C16/26—Deposition of carbon only
-
- 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
- C23C16/40—Oxides
- C23C16/405—Oxides of refractory metals or yttrium
-
- 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
-
- 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
- C23C16/4554—Plasma being used non-continuously in between ALD reactions
-
- 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
- C23C16/45542—Plasma being used non-continuously during the ALD reactions
-
- 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
- C23C16/52—Controlling or regulating the coating process
-
- 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
- H01L21/02109—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
- H01L21/02172—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 at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
-
- 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
- H01L21/02109—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
- H01L21/02172—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 at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—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 at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02186—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 at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing titanium, e.g. TiO2
-
- 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
- H01L21/02109—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
- H01L21/022—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 a laminate, i.e. composed of sublayers, e.g. stacks of alternating high-k metal oxides
-
- 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
- H01L21/02109—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
-
- 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
- H01L21/0228—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 deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28556—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by chemical means, e.g. CVD, LPCVD, PECVD, laser CVD
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Electromagnetism (AREA)
- Chemical Vapour Deposition (AREA)
- Plasma Technology (AREA)
- Formation Of Insulating Films (AREA)
Description
(成膜装置)
第1実施形態の成膜方法を実施する成膜装置の一例について説明する。図1は、第1実施形態の成膜方法を実施する成膜装置の一例を示す概略図である。
次に、第1実施形態の成膜方法について、前述した成膜装置を用いて、ウエハWの上に形成された所定パターンを有する下地膜の上に、金属酸化膜の一例である酸化チタン(TiO2)膜を成膜する場合を例に挙げて説明する。図2は、第1実施形態の成膜方法を説明するためのフローチャートである。
実施例1では、所定パターンを有する下地膜であるアモルファスカーボン膜の上に、PEALD法により、金属酸化膜であるTiO2膜を成膜したときのアモルファスカーボン膜に与える影響について、断面形状を観察することにより評価した。なお、実施例1では、0.5Torr(67Pa)に調整された処理容器10内において、PEALD法によりTiO2膜を成膜した。また、酸化ステップでは、高周波電源から13.56MHzの高周波電力を印加した。また、断面形状は、走査型電子顕微鏡(SEM:Scanning Electron Microscope)及び走査型透過電子顕微鏡(STEM:Scanning Transmission Electron Microscope)を用いて観察した。
実施例2では、所定パターンを有する下地膜であるアモルファスカーボン膜の上に、PEALD法により、金属酸化膜であるTiO2膜を成膜したときのアモルファスカーボン膜に与える影響について、断面形状を観察することにより評価した。なお、実施例2では、2Torr(267Pa)に調整された処理容器10内において、PEALD法によりTiO2膜を成膜した。また、酸化ステップでは、実施例1と同様に、高周波電源から13.56MHzの高周波電力を印加した。また、断面形状は、STEMにより観察した。
(成膜装置)
第2実施形態の成膜方法を実施する成膜装置の一例について説明する。図8は、第2実施形態の成膜方法を実施する成膜装置の一例を示す概略図である。
次に、第2実施形態の成膜方法について、前述した成膜装置を用いて、ウエハWの上に形成された所定パターンを有する下地膜の上に、金属酸化膜の一例であるTiO2膜を成膜する場合を例に挙げて説明する。図9は、第2実施形態の成膜方法を説明するためのフローチャートである。
実施例3では、所定パターンを有する下地膜であるアモルファスカーボン膜の上に、PEALD法により、金属酸化膜であるTiO2膜を成膜したときのアモルファスカーボン膜に与える影響について、断面形状を観察することにより評価した。なお、実施例3では、載置台12とアースとの間のインピーダンスを0Ω,292Ωに調整した状態で、PEALD法によりTiO2膜を成膜した。また、酸化ステップでは、高周波電源から450kHzの高周波電力を印加した。また、断面形状の観察は、STEMにより行った。
12 載置台
14 シャワーヘッド
16a~16e ガス供給部
18 高周波電源
20 排気口
22 インピーダンス調整回路
24 可変インダクタ
26 コンデンサ
W ウエハ
Claims (11)
- 被処理体が載置される載置台と、前記載置台とアースとの間のインピーダンスを調整可能に設けられたインピーダンス調整回路と、を備える成膜装置を用いて、前記被処理体に形成された下地膜の上に金属酸化膜を成膜する成膜方法であって、
金属含有ガスとプラズマ化された酸化ガスとを交互に供給して前記下地膜の上に第1の金属酸化膜を成膜する工程と、
前記金属含有ガスとプラズマ化された酸化ガスとを交互に供給して前記第1の金属酸化膜の上に第2の金属酸化膜を成膜する工程と、
を有し、
前記第2の金属酸化膜を成膜する工程において前記インピーダンスが第1のインピーダンスから前記第1のインピーダンスよりも低い第2のインピーダンスとなるように前記インピーダンス調整回路を調整する、
成膜方法。 - 前記第1の金属酸化膜の厚さは、1nm以下である、
請求項1に記載の成膜方法。 - 前記金属含有ガスは、塩素を含む、
請求項1又は2に記載の成膜方法。 - 前記金属含有ガスは、TiCl4である、
請求項1乃至3のいずれか一項に記載の成膜方法。 - 前記下地膜は、所定パターンを有するアモルファスカーボン膜である、
請求項1乃至4のいずれか一項に記載の成膜方法。 - 被処理体が載置される載置台と、前記載置台とアースとの間のインピーダンスを調整可能に設けられたインピーダンス調整回路と、を備える成膜装置を用いて、前記被処理体に形成された下地膜の上に金属酸化膜を成膜する成膜方法であって、
第1の金属含有ガスとプラズマ化された酸化ガスとを交互に供給して前記下地膜の上に第1の金属酸化膜を成膜する工程と、
前記第1の金属含有ガスとは異なる第2の金属含有ガスとプラズマ化された酸化ガスとを交互に供給して前記第1の金属酸化膜の上に第2の金属酸化膜を成膜する工程と、
を有し、
前記第2の金属酸化膜を成膜する工程において前記インピーダンスが第1のインピーダンスから前記第1のインピーダンスよりも低い第2のインピーダンスとなるように前記インピーダンス調整回路を調整する、
成膜方法。 - 前記第1の金属酸化膜の厚さは、1nm以下である、
請求項6に記載の成膜方法。 - 前記第1の金属含有ガス及び前記第2の金属含有ガスは、同一の金属を含有する、
請求項6又は7に記載の成膜方法。 - 前記第1の金属含有ガスは、TDMAT(テトラキスジメチルアミノチタン)である、
請求項6乃至8のいずれか一項に記載の成膜方法。 - 前記第2の金属含有ガスは、TiCl4である、
請求項6乃至9のいずれか一項に記載の成膜方法。 - 前記下地膜は、所定パターンを有するアモルファスカーボン膜である、
請求項6乃至10のいずれか一項に記載の成膜方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017179464A JP7018729B2 (ja) | 2017-09-19 | 2017-09-19 | 成膜方法 |
KR1020180110942A KR102114555B1 (ko) | 2017-09-19 | 2018-09-17 | 성막 방법 |
US16/132,729 US10872764B2 (en) | 2017-09-19 | 2018-09-17 | Film forming method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017179464A JP7018729B2 (ja) | 2017-09-19 | 2017-09-19 | 成膜方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019056130A JP2019056130A (ja) | 2019-04-11 |
JP7018729B2 true JP7018729B2 (ja) | 2022-02-14 |
Family
ID=65721498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017179464A Active JP7018729B2 (ja) | 2017-09-19 | 2017-09-19 | 成膜方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10872764B2 (ja) |
JP (1) | JP7018729B2 (ja) |
KR (1) | KR102114555B1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10734219B2 (en) * | 2018-09-26 | 2020-08-04 | Asm Ip Holdings B.V. | Plasma film forming method |
KR20200130118A (ko) * | 2019-05-07 | 2020-11-18 | 에이에스엠 아이피 홀딩 비.브이. | 비정질 탄소 중합체 막을 개질하는 방법 |
US12195851B2 (en) * | 2020-06-16 | 2025-01-14 | Applied Materials, Inc. | Thin layer deposition with plasma pulsing |
US11705312B2 (en) | 2020-12-26 | 2023-07-18 | Applied Materials, Inc. | Vertically adjustable plasma source |
USD993445S1 (en) * | 2021-08-09 | 2023-07-25 | Becton, Dickinson And Company | Sample rack adapter |
USD981591S1 (en) * | 2022-05-05 | 2023-03-21 | Singular Genomics Systems, Inc. | Sample cartridge |
USD979093S1 (en) | 2022-05-05 | 2023-02-21 | Singular Genomics Systems, Inc. | Reagent cartridge |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012233259A (ja) | 2012-06-25 | 2012-11-29 | Tokyo Electron Ltd | アモルファスカーボン膜の成膜方法、それを用いた半導体装置の製造方法、およびコンピュータ読取可能な記憶媒体 |
JP2017069433A (ja) | 2015-09-30 | 2017-04-06 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理装置およびプログラム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3424182B2 (ja) * | 1994-09-13 | 2003-07-07 | アネルバ株式会社 | 表面処理装置 |
DK1763584T3 (da) * | 2004-07-02 | 2009-08-03 | Promega Corp | Sammensætninger og fremgangsmåde til ekstraktionen og detektionen af mikrobiel ATP |
US20060088660A1 (en) * | 2004-10-26 | 2006-04-27 | Putkonen Matti I | Methods of depositing lead containing oxides films |
US7608549B2 (en) * | 2005-03-15 | 2009-10-27 | Asm America, Inc. | Method of forming non-conformal layers |
JP5231038B2 (ja) | 2008-02-18 | 2013-07-10 | 東京エレクトロン株式会社 | プラズマ処理装置およびプラズマ処理方法、ならびに記憶媒体 |
US9390909B2 (en) | 2013-11-07 | 2016-07-12 | Novellus Systems, Inc. | Soft landing nanolaminates for advanced patterning |
JP6176776B2 (ja) | 2013-03-22 | 2017-08-09 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理装置、基板処理システムおよびプログラム |
US9478415B2 (en) * | 2015-02-13 | 2016-10-25 | Asm Ip Holding B.V. | Method for forming film having low resistance and shallow junction depth |
JP6416031B2 (ja) | 2015-03-30 | 2018-10-31 | 株式会社Kokusai Electric | 半導体デバイスの製造方法、基板処理装置およびプログラム |
TWI737612B (zh) * | 2015-06-18 | 2021-09-01 | 美商應用材料股份有限公司 | 用於均勻且共形之混成氧化鈦薄膜的沉積方法 |
-
2017
- 2017-09-19 JP JP2017179464A patent/JP7018729B2/ja active Active
-
2018
- 2018-09-17 US US16/132,729 patent/US10872764B2/en active Active
- 2018-09-17 KR KR1020180110942A patent/KR102114555B1/ko active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012233259A (ja) | 2012-06-25 | 2012-11-29 | Tokyo Electron Ltd | アモルファスカーボン膜の成膜方法、それを用いた半導体装置の製造方法、およびコンピュータ読取可能な記憶媒体 |
JP2017069433A (ja) | 2015-09-30 | 2017-04-06 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理装置およびプログラム |
Also Published As
Publication number | Publication date |
---|---|
KR102114555B1 (ko) | 2020-05-22 |
JP2019056130A (ja) | 2019-04-11 |
KR20190032223A (ko) | 2019-03-27 |
US20190088475A1 (en) | 2019-03-21 |
US10872764B2 (en) | 2020-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7018729B2 (ja) | 成膜方法 | |
TWI750268B (zh) | 電漿蝕刻方法 | |
WO2019225184A1 (ja) | 成膜装置および成膜方法 | |
JP5231038B2 (ja) | プラズマ処理装置およびプラズマ処理方法、ならびに記憶媒体 | |
KR100886273B1 (ko) | 플라즈마 처리 장치 및 플라즈마 처리 방법 | |
TWI697046B (zh) | 蝕刻方法 | |
TWI607484B (zh) | 電漿處理方法及電漿處理裝置 | |
JP7077108B2 (ja) | 被加工物の処理方法 | |
JP6426893B2 (ja) | コンタクト層の形成方法 | |
JP5551583B2 (ja) | 金属系膜の成膜方法および記憶媒体 | |
TW200935512A (en) | Apparatus and methof for plasma treatment | |
TW201639034A (zh) | 被處理體之處理方法 | |
TW201840248A (zh) | 電漿處理方法及電漿處理裝置 | |
JP2007005381A (ja) | プラズマエッチング方法、及びプラズマエッチング装置 | |
TWI660394B (zh) | 電漿處理方法及電漿處理裝置 | |
TW201742149A (zh) | 蝕刻方法 | |
TWI621174B (zh) | 電漿處理方法及電漿處理裝置 | |
JP6280721B2 (ja) | TiN膜の成膜方法および記憶媒体 | |
JP4999185B2 (ja) | ドライエッチング方法及びドライエッチング装置 | |
JP2015124398A (ja) | Ti膜の成膜方法 | |
JP2007042818A (ja) | 成膜装置及び成膜方法 | |
JP6770988B2 (ja) | 基板処理装置および半導体装置の製造方法 | |
TWI837677B (zh) | 用於高溫清潔的處理 | |
JP2020096155A (ja) | 基板処理方法 | |
JP3771879B2 (ja) | クリーニング方法及びこれを使用する金属膜作製装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200717 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210526 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210615 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210810 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220104 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220201 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7018729 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |