JP2020518136A - 3d nandに適用するための低誘電率酸化物および低抵抗のopスタック - Google Patents
3d nandに適用するための低誘電率酸化物および低抵抗のopスタック Download PDFInfo
- Publication number
- JP2020518136A JP2020518136A JP2019558555A JP2019558555A JP2020518136A JP 2020518136 A JP2020518136 A JP 2020518136A JP 2019558555 A JP2019558555 A JP 2019558555A JP 2019558555 A JP2019558555 A JP 2019558555A JP 2020518136 A JP2020518136 A JP 2020518136A
- Authority
- JP
- Japan
- Prior art keywords
- silicon oxide
- layer
- oxide layer
- polysilicon
- polysilicon layer
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 51
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 47
- 229920005591 polysilicon Polymers 0.000 claims abstract description 46
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims abstract description 33
- 239000002243 precursor Substances 0.000 claims abstract description 29
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 229910000078 germane Inorganic materials 0.000 claims abstract description 9
- 239000002019 doping agent Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 42
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 41
- 239000000758 substrate Substances 0.000 claims description 24
- 238000000151 deposition Methods 0.000 claims description 11
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- 239000012686 silicon precursor Substances 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 43
- 238000009832 plasma treatment Methods 0.000 abstract description 8
- 150000004767 nitrides Chemical class 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 abstract 1
- QUZPNFFHZPRKJD-UHFFFAOYSA-N germane Chemical compound [GeH4] QUZPNFFHZPRKJD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052986 germanium hydride Inorganic materials 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
- H10B41/23—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
- H10B41/27—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
-
- 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
- C23C16/24—Deposition of silicon 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
- C23C16/401—Oxides containing silicon
-
- 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
- C23C16/50—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 using electric discharges
- C23C16/505—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 using electric discharges using radio frequency discharges
-
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
-
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
-
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
- C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
-
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
- C23C28/44—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by a measurable physical property of the alternating layer or system, e.g. thickness, density, hardness
-
- 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
- H01L21/02123—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
-
- 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
- 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
- H01L21/02214—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 oxygen
-
- 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]
-
- 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
- H01L21/02296—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
- H01L21/02321—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment introduction of substances into an already existing insulating layer
- H01L21/02329—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment introduction of substances into an already existing insulating layer introduction of nitrogen
-
- 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
- H01L21/02296—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
- H01L21/0234—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 treatment by exposure to a plasma
-
- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02441—Group 14 semiconducting materials
- H01L21/0245—Silicon, silicon germanium, germanium
-
- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02488—Insulating materials
-
- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02494—Structure
- H01L21/02496—Layer structure
- H01L21/02505—Layer structure consisting of more than two layers
- H01L21/02507—Alternating layers, e.g. superlattice
-
- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10D89/00
- H01L25/0657—Stacked arrangements of devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
- H10B41/35—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region with a cell select transistor, e.g. NAND
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/40—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region
- H10B41/41—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region of a memory region comprising a cell select transistor, e.g. NAND
-
- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02592—Microstructure amorphous
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
- Formation Of Insulating Films (AREA)
- Crystallography & Structural Chemistry (AREA)
Abstract
Description
Claims (15)
- メモリデバイススタックを製造する方法であって、
基板をPECVDチャンバ内に配置することと、
オクタメチルシクロテトラシロキサン前駆体を前記PECVDチャンバに導入して、前記基板の上に酸化ケイ素層を堆積させることと、
前記酸化ケイ素層の上にポリシリコン層を堆積させることと、
を含む方法。 - 前記酸化ケイ素層の上にポリシリコン層を堆積させることが、
シランとゲルマンを前記PECVDチャンバに導入して、前記ポリシリコン層を堆積させることを含む、請求項1に記載の方法。 - オクタメチルシクロテトラシロキサン前駆体を前記PECVDチャンバに導入して、前記基板の上に前記酸化ケイ素層を堆積させることが、約27メガヘルツのプラズマ密度で行われる、請求項1に記載の方法。
- 約300kHzから約400kHzの間のRF周波数で前記酸化ケイ素層をボンバードすることを、さらに含む、請求項1に記載の方法。
- 前記方法が、前記酸化ケイ素層と前記ポリシリコン層との間の界面をプラズマ処理することを、さらに含み、前記プラズマ処理が、NH3/N2を前記PECVDチャンバに導入することを含む、請求項1に記載の方法。
- 前記酸化ケイ素層の上に前記ポリシリコン層を堆積させることが、
シラン、アルゴン、およびヘリウムからなる群から選択された1つ以上の前駆体、ならびにホスフィンおよびジボランからなる群から選択された1つ以上のドーパント前駆体を、前記PECVDチャンバに導入して、前記酸化ケイ素層の上にアモルファスシリコン層を堆積させることと、
前記アモルファスシリコン層をアニーリングして、前記ポリシリコン層を形成することと、
を含む、請求項1に記載の方法。 - 前記酸化ケイ素層の上に前記ポリシリコン層を堆積させることが、
シランからなる群から選択された少なくとも1つのケイ素前駆体およびゲルマンを、前記PECVDチャンバに導入して、SixGe(1−x)膜を形成することを含む、請求項1に記載の方法。 - メモリデバイススタックを製造する方法であって、
基板をPECVDチャンバ内に配置することと、
前記基板の上に酸化ケイ素層を堆積させることと、
ケイ素前駆体とゲルマンを前記PECVDチャンバに導入して、前記酸化ケイ素層の上にポリシリコン層を堆積させることと、
を含む方法。 - 前記基板の上に酸化ケイ素層を堆積させることが、
OMCTS前駆体を前記PECVDチャンバに導入して、前記酸化ケイ素層を堆積させることを含む、請求項8に記載の方法。 - 前記方法が、前記酸化ケイ素層と前記ポリシリコン層との間の界面をプラズマ処理することを、さらに含み、前記プラズマ処理が、NH3/N2を前記PECVDチャンバに導入することを含む、請求項8に記載の方法。
- 基板と、
前記基板の上に配置された酸化ケイ素層であって、約2.5から約3.2の間の誘電率を有する酸化ケイ素層と、
前記酸化ケイ素層の上に配置されたポリシリコン層と、
を備えるメモリデバイス。 - 前記酸化ケイ素層の前記誘電率が、約2.8から約3.0の間である、請求項11に記載のメモリデバイス。
- 前記酸化ケイ素層が、前記基板の上に前記基板と接触して堆積されており、前記ポリシリコン層が、前記酸化ケイ素層の上に前記酸化ケイ素層と接触して堆積されている、請求項11に記載のメモリデバイス。
- 前記ポリシリコン層が、n型ポリシリコン層であり、前記n型ポリシリコン層が、約0.5×10−3Ω・cm未満の抵抗率を有する、請求項11に記載のメモリデバイス。
- 前記ポリシリコン層が、p型ポリシリコン層であり、前記p型ポリシリコン層が、約1.5×10−3Ω・cm未満の抵抗率を有する、請求項11に記載のメモリデバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762490725P | 2017-04-27 | 2017-04-27 | |
US62/490,725 | 2017-04-27 | ||
PCT/US2018/028632 WO2018200335A1 (en) | 2017-04-27 | 2018-04-20 | Low dielectric constant oxide and low resistance op stack for 3d nand application |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020518136A true JP2020518136A (ja) | 2020-06-18 |
JP7211969B2 JP7211969B2 (ja) | 2023-01-24 |
Family
ID=63916830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019558555A Active JP7211969B2 (ja) | 2017-04-27 | 2018-04-20 | 3d nandに適用するための低誘電率酸化物および低抵抗のopスタック |
Country Status (5)
Country | Link |
---|---|
US (2) | US10553427B2 (ja) |
JP (1) | JP7211969B2 (ja) |
KR (1) | KR102578078B1 (ja) |
CN (1) | CN110235248B (ja) |
WO (1) | WO2018200335A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210327891A1 (en) * | 2020-04-16 | 2021-10-21 | Applied Materials, Inc. | Stack for 3d-nand memory cell |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03218073A (ja) * | 1990-01-23 | 1991-09-25 | Seiko Epson Corp | 薄膜半導体装置及びその製造方法 |
JPH04261067A (ja) * | 1991-01-28 | 1992-09-17 | Tonen Corp | 太陽電池の製造方法 |
JPH09120957A (ja) * | 1995-08-23 | 1997-05-06 | Fujitsu Ltd | プラズマ装置及びプラズマ処理方法 |
JP2007266143A (ja) * | 2006-03-27 | 2007-10-11 | Toshiba Corp | 不揮発性半導体記憶装置及びその製造方法 |
JP2008124111A (ja) * | 2006-11-09 | 2008-05-29 | Nissin Electric Co Ltd | プラズマcvd法によるシリコン系薄膜の形成方法 |
JP2009539265A (ja) * | 2006-05-30 | 2009-11-12 | アプライド マテリアルズ インコーポレイテッド | ギャップ充填と共形のフィルムの適用のために低k膜を堆積させ硬化する方法 |
JP2010504648A (ja) * | 2006-09-20 | 2010-02-12 | アプライド マテリアルズ インコーポレイテッド | 低k誘電膜の二層キャッピング |
CN102339846A (zh) * | 2010-07-19 | 2012-02-01 | 旺宏电子股份有限公司 | 具有可调整栅极电阻值的晶体管的半导体存储器元件 |
JP2016539514A (ja) * | 2013-11-04 | 2016-12-15 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 酸化物−ケイ素スタックのための付着性の改善 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH276406A (fr) * | 1943-03-30 | 1951-07-15 | Works Corning Glass | Procédé de polymérisation d'octaméthylcyclotétrasiloxane. |
KR100226366B1 (ko) * | 1995-08-23 | 1999-10-15 | 아끼구사 나오유끼 | 플라즈마장치 및 플라즈마 처리방법 |
US6074919A (en) * | 1999-01-20 | 2000-06-13 | Advanced Micro Devices, Inc. | Method of forming an ultrathin gate dielectric |
JP3545364B2 (ja) * | 2000-12-19 | 2004-07-21 | キヤノン販売株式会社 | 半導体装置及びその製造方法 |
US6897163B2 (en) * | 2003-01-31 | 2005-05-24 | Applied Materials, Inc. | Method for depositing a low dielectric constant film |
US8007332B2 (en) * | 2004-03-15 | 2011-08-30 | Sharp Laboratories Of America, Inc. | Fabrication of a semiconductor nanoparticle embedded insulating film electroluminescence device |
US7037855B2 (en) * | 2004-08-31 | 2006-05-02 | Asm Japan K.K. | Method of forming fluorine-doped low-dielectric-constant insulating film |
KR100728962B1 (ko) | 2004-11-08 | 2007-06-15 | 주식회사 하이닉스반도체 | 지르코늄산화막을 갖는 반도체소자의 캐패시터 및 그 제조방법 |
US7259111B2 (en) | 2005-01-19 | 2007-08-21 | Applied Materials, Inc. | Interface engineering to improve adhesion between low k stacks |
US7355236B2 (en) * | 2005-12-22 | 2008-04-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | Non-volatile floating gate memory cells with polysilicon storage dots and fabrication methods thereof |
FR2919213B1 (fr) * | 2007-07-23 | 2009-08-28 | Commissariat Energie Atomique | Procede de soudure de deux elements entre eux au moyen d'un materiau de brasure |
EP2251671B1 (en) * | 2009-05-13 | 2017-04-26 | SiO2 Medical Products, Inc. | Outgassing method for inspecting a coated surface |
JP2011061007A (ja) * | 2009-09-10 | 2011-03-24 | Hitachi Kokusai Electric Inc | 半導体デバイスの製造方法及び基板処理装置 |
US20120142172A1 (en) | 2010-03-25 | 2012-06-07 | Keith Fox | Pecvd deposition of smooth polysilicon films |
US20110272024A1 (en) * | 2010-04-13 | 2011-11-10 | Applied Materials, Inc. | MULTI-LAYER SiN FOR FUNCTIONAL AND OPTICAL GRADED ARC LAYERS ON CRYSTALLINE SOLAR CELLS |
US8076250B1 (en) * | 2010-10-06 | 2011-12-13 | Applied Materials, Inc. | PECVD oxide-nitride and oxide-silicon stacks for 3D memory application |
US20130032897A1 (en) * | 2011-08-02 | 2013-02-07 | International Business Machines Corporation | Mosfet gate electrode employing arsenic-doped silicon-germanium alloy layer |
US9117668B2 (en) * | 2012-05-23 | 2015-08-25 | Novellus Systems, Inc. | PECVD deposition of smooth silicon films |
US9484297B2 (en) * | 2015-03-13 | 2016-11-01 | Globalfoundries Inc. | Semiconductor device having non-magnetic single core inductor and method of producing the same |
CN105513960B (zh) * | 2016-01-27 | 2019-01-11 | 武汉华星光电技术有限公司 | 氧化硅薄膜的沉积方法及低温多晶硅tft基板的制备方法 |
-
2018
- 2018-04-20 CN CN201880009550.6A patent/CN110235248B/zh active Active
- 2018-04-20 JP JP2019558555A patent/JP7211969B2/ja active Active
- 2018-04-20 WO PCT/US2018/028632 patent/WO2018200335A1/en active Application Filing
- 2018-04-20 KR KR1020197025419A patent/KR102578078B1/ko active IP Right Grant
- 2018-04-20 US US15/958,747 patent/US10553427B2/en active Active
-
2019
- 2019-12-18 US US16/718,392 patent/US20200126784A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03218073A (ja) * | 1990-01-23 | 1991-09-25 | Seiko Epson Corp | 薄膜半導体装置及びその製造方法 |
JPH04261067A (ja) * | 1991-01-28 | 1992-09-17 | Tonen Corp | 太陽電池の製造方法 |
JPH09120957A (ja) * | 1995-08-23 | 1997-05-06 | Fujitsu Ltd | プラズマ装置及びプラズマ処理方法 |
JP2007266143A (ja) * | 2006-03-27 | 2007-10-11 | Toshiba Corp | 不揮発性半導体記憶装置及びその製造方法 |
JP2009539265A (ja) * | 2006-05-30 | 2009-11-12 | アプライド マテリアルズ インコーポレイテッド | ギャップ充填と共形のフィルムの適用のために低k膜を堆積させ硬化する方法 |
JP2010504648A (ja) * | 2006-09-20 | 2010-02-12 | アプライド マテリアルズ インコーポレイテッド | 低k誘電膜の二層キャッピング |
JP2008124111A (ja) * | 2006-11-09 | 2008-05-29 | Nissin Electric Co Ltd | プラズマcvd法によるシリコン系薄膜の形成方法 |
CN102339846A (zh) * | 2010-07-19 | 2012-02-01 | 旺宏电子股份有限公司 | 具有可调整栅极电阻值的晶体管的半导体存储器元件 |
JP2016539514A (ja) * | 2013-11-04 | 2016-12-15 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 酸化物−ケイ素スタックのための付着性の改善 |
Also Published As
Publication number | Publication date |
---|---|
US10553427B2 (en) | 2020-02-04 |
KR20190135472A (ko) | 2019-12-06 |
JP7211969B2 (ja) | 2023-01-24 |
WO2018200335A1 (en) | 2018-11-01 |
CN110235248A (zh) | 2019-09-13 |
CN110235248B (zh) | 2024-03-26 |
US20180315592A1 (en) | 2018-11-01 |
US20200126784A1 (en) | 2020-04-23 |
KR102578078B1 (ko) | 2023-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100530562C (zh) | 原子层沉积的电介质层 | |
US8993453B1 (en) | Method of fabricating a nonvolatile charge trap memory device | |
CN103329259A (zh) | 氮化硅与氮氧化硅的等离子体处理 | |
JP7191023B2 (ja) | 下位構造材料に直接rf曝露しない共形の気密性誘電体封入のためのsibn膜 | |
US11817320B2 (en) | CVD based oxide-metal multi structure for 3D NAND memory devices | |
TWI551716B (zh) | 形成鍺薄膜之方法 | |
CN108630762A (zh) | 半导体装置及其制造方法 | |
CN111540667A (zh) | 涉及在衬底材料上形成锗原子层的方法、设备和系统 | |
JP7211969B2 (ja) | 3d nandに適用するための低誘電率酸化物および低抵抗のopスタック | |
US8338279B2 (en) | Reduced pattern loading for doped epitaxial process and semiconductor structure | |
CN102683199A (zh) | 碳化硅薄膜制作方法以及金属阻挡层制作方法 | |
WO2021150391A1 (en) | Electronic devices comprising silicon carbide materials and related methods and systems | |
US10593543B2 (en) | Method of depositing doped amorphous silicon films with enhanced defect control, reduced substrate sensitivity to in-film defects and bubble-free film growth | |
TW440928B (en) | Method for forming a silicon conductive layer by CVD | |
JP2006120992A (ja) | シリコン窒化膜の製造方法及びその製造装置 | |
CN102646579B (zh) | 一种sonos结构及制造方法 | |
CN119256636A (zh) | 用于3d存储器的直接字线触点与制造方法 | |
TW202316632A (zh) | 形成具有降低電阻的記憶體裝置的方法 | |
US20120282783A1 (en) | Method for fabricating high-k dielectric layer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210413 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220428 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220510 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220810 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220823 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221122 |
|
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: 20221213 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230112 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7211969 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |