KR100615093B1 - 나노크리스탈을 갖는 비휘발성 메모리 소자의 제조방법 - Google Patents
나노크리스탈을 갖는 비휘발성 메모리 소자의 제조방법 Download PDFInfo
- Publication number
- KR100615093B1 KR100615093B1 KR1020040066930A KR20040066930A KR100615093B1 KR 100615093 B1 KR100615093 B1 KR 100615093B1 KR 1020040066930 A KR1020040066930 A KR 1020040066930A KR 20040066930 A KR20040066930 A KR 20040066930A KR 100615093 B1 KR100615093 B1 KR 100615093B1
- Authority
- KR
- South Korea
- Prior art keywords
- nanocrystals
- reactant
- insulating film
- atomic layer
- layer deposition
- Prior art date
Links
- 239000002159 nanocrystal Substances 0.000 title claims abstract description 110
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000003860 storage Methods 0.000 title description 5
- 238000000034 method Methods 0.000 claims abstract description 88
- 238000000231 atomic layer deposition Methods 0.000 claims abstract description 77
- 239000004065 semiconductor Substances 0.000 claims abstract description 69
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 239000000376 reactant Substances 0.000 claims description 72
- 239000007789 gas Substances 0.000 claims description 49
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 21
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 claims description 19
- 239000010936 titanium Substances 0.000 claims description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910052710 silicon Inorganic materials 0.000 claims description 17
- 239000010703 silicon Substances 0.000 claims description 17
- 229910052721 tungsten Inorganic materials 0.000 claims description 15
- 239000010937 tungsten Substances 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 14
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 14
- 229910052796 boron Inorganic materials 0.000 claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052715 tantalum Inorganic materials 0.000 claims description 7
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- ILCYGSITMBHYNK-UHFFFAOYSA-N [Si]=O.[Hf] Chemical compound [Si]=O.[Hf] ILCYGSITMBHYNK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910001938 gadolinium oxide Inorganic materials 0.000 claims description 6
- 229940075613 gadolinium oxide Drugs 0.000 claims description 6
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 6
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 6
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 6
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 6
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 6
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 6
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 6
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 5
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 5
- BMGNSKKZFQMGDH-FDGPNNRMSA-L nickel(2+);(z)-4-oxopent-2-en-2-olate Chemical compound [Ni+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O BMGNSKKZFQMGDH-FDGPNNRMSA-L 0.000 claims description 5
- 229910052582 BN Inorganic materials 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910003902 SiCl 4 Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 239000011261 inert gas Substances 0.000 description 16
- 238000007667 floating Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 239000004054 semiconductor nanocrystal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 229910052732 germanium Inorganic materials 0.000 description 6
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 230000015654 memory Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000000059 patterning Methods 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- -1 MoCl 5 Chemical compound 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical group [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- H01L21/0228—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
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42324—Gate electrodes for transistors with a floating gate
- H01L29/42332—Gate electrodes for transistors with a floating gate with the floating gate formed by two or more non connected parts, e.g. multi-particles flating gate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
-
- 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
-
- 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
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/3141—Deposition using atomic layer deposition techniques [ALD]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/401—Multistep manufacturing processes
- H01L29/4011—Multistep manufacturing processes for data storage electrodes
- H01L29/40114—Multistep manufacturing processes for data storage electrodes the electrodes comprising a conductor-insulator-conductor-insulator-semiconductor structure
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/31604—Deposition from a gas or vapour
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/31604—Deposition from a gas or vapour
- H01L21/31608—Deposition of 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/31604—Deposition from a gas or vapour
- H01L21/31641—Deposition of Zirconium oxides, e.g. ZrO2
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/31604—Deposition from a gas or vapour
- H01L21/31645—Deposition of Hafnium oxides, e.g. HfO2
Abstract
Description
Claims (24)
- 반도체기판 상에 터널 절연막을 형성하고,상기 터널 절연막을 갖는 반도체기판을 원자층 증착 장치 내에 집어넣고,원자층 증착 공정 싸이클을 복수 회 진행하여 상기 터널 절연막 상에 나노크리스탈들을 형성하되, 상기 원자층 증착 공정 싸이클은 상기 원자층 증착 장치 내에 제 1 반응물을 주입하여 상기 터널 절연막 상에 제 1 반응물 화학흡착 점들을 형성하는 것을 포함하고,상기 나노크리스탈들을 갖는 반도체기판 상에 제어게이트 절연막을 형성하고,상기 제어게이트 절연막을 갖는 반도체기판 상에 제어게이트 전극을 형성하는 것을 포함하는 비휘발성 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 터널 절연막은 실리콘산화막, 실리콘질화막, 실리콘산질화막, 하프늄산화막(HfO), 하프늄실리콘산화막(HfSiO), 지르코늄산화막(ZrO), 지르코늄실리콘산화막(ZrSiO) 및 가돌리늄산화막(GdO)으로 이루어진 일군에서 선택된 하나의 막으로 형성하는 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 터널 절연막은 실리콘산화막, 실리콘질화막, 실리콘산질화막, 하프늄산화막(HfO), 하프늄실리콘산화막(HfSiO), 지르코늄산화막(ZrO), 지르코늄실리콘산화막(ZrSiO) 및 가돌리늄산화막(GdO)으로 이루어진 일군에서 선택된 적어도 두개의 적층막 또는 혼합물질막으로 형성하는 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 삭제
- 제 1 항에 있어서,상기 제 1 반응물은 WF6, TiCl4, TiI4, Ti(OEt)4, TaCl5, CuCl, MoCl5 및 Ni(acac)2 으로 이루어진 일군에서 선택된 하나인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 제 1 반응물은 지르코늄(Zr), 하프늄(Hf), 이트륨(Y) 및 알루미늄(Al) 중에서 선택된 하나의 물질을 포함하는 화합물인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 제 1 반응물은 SiCl4 또는 BCl3 인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 제 1 반응물을 주입하기 전에, 상기 원자층 증착장치 내부로 환원기체를 주입하여 상기 터널 절연막 상부면에 환원기체 화학흡착 점들을 형성하는 것을 더 포함하는 비휘발성 메모리 소자의 제조방법.
- 제 8 항에 있어서,상기 환원기체는 B2H6, SiH4, Si2H6 및 SiH2 Cl6 으로 이루어진 일군에서 선택된 적어도 하나의 기체인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 8 항에 있어서,상기 환원기체는 B2H6, SiH4, Si2H6 및 SiH2 Cl6 으로 이루어진 일군에서 선택된 적어도 두 가지의 기체를 순차적으로 공급하는 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 제 1 반응물 화학흡착 점들을 형성한 후에,상기 원자층 증착 장치 내부로 제 2 반응물을 주입하여 상기 제 1 반응물 화학흡착 점들과 반응시키는 것을 더 포함하는 비휘발성 메모리 소자의 제조방법.
- 제 11 항에 있어서,상기 제 2 반응물은 암모니아기체(NH3)인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 11 항에 있어서,상기 제 2 반응물은 H2O, H2O2, O2또는 O3 인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 나노크리스탈은 텅스텐(W), 티타늄(Ti), 탄탈룸(Ta), 구리(Cu), 몰리브덴(Mo) 및 니켈(Ni)로 이루어진 일군에서 선택된 하나이거나 이들의 질화물중 하나인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 나노크리스탈은 지르코늄(Zr), 하프늄(Hf), 이트륨(Y) 및 알루미늄(Al) 중에서 선택된 하나의 산화물나노크리스탈인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 나노크리스탈은 실리콘나노크리스탈, 질화실리콘나노크리스탈, 보론나노크리스탈 또는 질화보론나노크리스탈인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 반도체기판을 준비하고,상기 반도체기판 상에 터널 절연막을 형성하고,상기 터널 절연막을 갖는 반도체기판을 원자층 증착 장치 내에 집어넣고,상기 원자층 증착장치 내부로 환원기체를 주입하여 상기 터널 절연막 상부면에 환원기체 화학흡착 점들을 형성하고,상기 원자층 증착 장치 내에 상기 원자층 증착 장치 내에 제 1 반응물을 주 입하여 상기 터널 절연막 상에 제 1 반응물 화학흡착 점들을 형성하고,상기 환원기체 화학흡착 점들을 형성하는 단계 및 상기 제 1 반응물 화학흡착 점들을 형성하는 단계를 복수 회 반복하여 원하는 크기의 나노크리스탈들을 형성하고,상기 나노크리스탈들을 갖는 반도체기판을 원자층 증착 장치에서 꺼내고,상기 나노크리스탈들을 갖는 반도체기판 상에 제어게이트 절연막을 형성하고,상기 제어게이트 절연막을 갖는 반도체기판 상에 제어게이트 전극을 형성하는 것을 포함하는 비휘발성 메모리 소자의 제조방법.
- 제 17 항에 있어서,상기 환원기체는 B2H6, SiH4, Si2H6 및 SiH2 Cl6 으로 이루어진 일군에서 선택된 적어도 하나의 기체인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 17 항에 있어서,상기 제 1 반응물은 WF6, TiCl4, TiI4, Ti(OEt)4, TaCl5 , CuCl, MoCl5 및 Ni(acac)2 으로 이루어진 일군에서 선택된 하나인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 17 항에 있어서,상기 나노크리스탈은 텅스텐(W), 티타늄(Ti), 탄탈룸(Ta), 구리(Cu), 몰리브덴(Mo) 및 니켈(Ni)로 이루어진 일군에서 선택된 하나인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 17 항에 있어서,상기 제 1 반응물 화학흡착 점들을 형성한 후에, 상기 원자층 증착 장치 내부로 제 2 반응물을 주입하여 상기 제 1 반응물 화학흡착 점들과 반응시키는 것을 더 포함하는 비휘발성 메모리 소자의 제조방법.
- 제 21 항에 있어서,상기 제 2 반응물은 암모니아기체(NH3)인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 제 22 항에 있어서,상기 나노크리스탈은 텅스텐(W), 티타늄(Ti), 탄탈룸(Ta), 구리(Cu), 몰리브덴(Mo) 및 니켈(Ni)로 이루어진 일군에서 선택된 하나의 질화물인 것을 특징으로 하는 비휘발성 메모리 소자의 제조방법.
- 반도체기판을 준비하고,상기 반도체기판 상에 터널 절연막을 형성하고,상기 터널 절연막을 갖는 반도체기판을 원자층 증착 장치 내에 집어넣고,상기 원자층 증착장치 내부로 B2H6 를 주입하여 상기 터널 절연막 상부면에 B2H6 화학흡착 점들을 형성하고,상기 원자층 증착 장치 내에 WF6 를 주입하여 상기 B2H6 화학흡착 점들과 반응시키어 상기 터널 절연막 상에 텅스텐(W) 화학흡착 점들을 형성하고,상기 원자층 증착장치 내부로 암모니아기체(NH3)를 주입하여 상기 텅스텐(W) 화학흡착 점들과 반응시키어 질화텅스텐(WN) 나노크리스탈들을 형성하고,상기 B2H6 화학흡착 점들을 형성하는 단계 내지 상기 질화텅스텐(WN) 나노크리스탈들을 형성하는 단계를 복수 회 반복하여 원하는 크기의 질화텅스텐(WN) 나노크리스탈들을 형성하고,상기 질화텅스텐(WN) 나노크리스탈들을 갖는 반도체기판을 원자층 증착 장치에서 꺼내고,상기 질화텅스텐(WN) 나노크리스탈들을 갖는 반도체기판 상에 제어게이트 절연막을 형성하고,상기 제어게이트 절연막을 갖는 반도체기판 상에 제어게이트 전극을 형성하는 것을 포함하는 비휘발성 메모리 소자의 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040066930A KR100615093B1 (ko) | 2004-08-24 | 2004-08-24 | 나노크리스탈을 갖는 비휘발성 메모리 소자의 제조방법 |
US11/023,993 US7148106B2 (en) | 2004-08-24 | 2004-12-28 | Methods of fabricating non-volatile memory devices including nanocrystals |
JP2005213254A JP4823594B2 (ja) | 2004-08-24 | 2005-07-22 | ナノクリスタルを有する不揮発性メモリ素子の製造方法 |
US11/561,644 US7651904B2 (en) | 2004-08-24 | 2006-11-20 | Methods of fabricating non-volatile memory devices including nanocrystals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040066930A KR100615093B1 (ko) | 2004-08-24 | 2004-08-24 | 나노크리스탈을 갖는 비휘발성 메모리 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060018532A KR20060018532A (ko) | 2006-03-02 |
KR100615093B1 true KR100615093B1 (ko) | 2006-08-22 |
Family
ID=36113036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040066930A KR100615093B1 (ko) | 2004-08-24 | 2004-08-24 | 나노크리스탈을 갖는 비휘발성 메모리 소자의 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7148106B2 (ko) |
JP (1) | JP4823594B2 (ko) |
KR (1) | KR100615093B1 (ko) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9139906B2 (en) * | 2001-03-06 | 2015-09-22 | Asm America, Inc. | Doping with ALD technology |
US7491634B2 (en) * | 2006-04-28 | 2009-02-17 | Asm International N.V. | Methods for forming roughened surfaces and applications thereof |
US20060166435A1 (en) * | 2005-01-21 | 2006-07-27 | Teo Lee W | Synthesis of GE nanocrystal memory cell and using a block layer to control oxidation kinetics |
US20090039417A1 (en) * | 2005-02-17 | 2009-02-12 | National University Of Singapore | Nonvolatile Flash Memory Device and Method for Producing Dielectric Oxide Nanodots on Silicon Dioxide |
US20060189079A1 (en) * | 2005-02-24 | 2006-08-24 | Merchant Tushar P | Method of forming nanoclusters |
KR20060095819A (ko) * | 2005-02-28 | 2006-09-04 | 삼성전자주식회사 | 금속 질화물을 트랩 사이트로 이용한 메모리 소자를 그 제조 방법 |
US7687409B2 (en) | 2005-03-29 | 2010-03-30 | Micron Technology, Inc. | Atomic layer deposited titanium silicon oxide films |
US7662729B2 (en) | 2005-04-28 | 2010-02-16 | Micron Technology, Inc. | Atomic layer deposition of a ruthenium layer to a lanthanide oxide dielectric layer |
US7927948B2 (en) | 2005-07-20 | 2011-04-19 | Micron Technology, Inc. | Devices with nanocrystals and methods of formation |
JP2007043147A (ja) * | 2005-07-29 | 2007-02-15 | Samsung Electronics Co Ltd | 原子層蒸着工程を用いたシリコンリッチナノクリスタル構造物の形成方法及びこれを用いた不揮発性半導体装置の製造方法 |
KR100722776B1 (ko) * | 2005-07-29 | 2007-05-30 | 삼성전자주식회사 | 원자층 증착 공정을 이용한 실리콘 리치 나노-크리스탈구조물의 형성 방법 및 이를 이용한 불휘발성 반도체장치의 제조 방법 |
US7575978B2 (en) * | 2005-08-04 | 2009-08-18 | Micron Technology, Inc. | Method for making conductive nanoparticle charge storage element |
US20070085130A1 (en) * | 2005-10-19 | 2007-04-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Tungsten-containing nanocrystal, an array thereof, a memory comprising such an array, and methods of making and operating the foregoing |
KR101194839B1 (ko) * | 2006-02-28 | 2012-10-25 | 삼성전자주식회사 | 나노결정을 포함하는 메모리 소자 및 그 제조 방법 |
KR100740613B1 (ko) | 2006-07-03 | 2007-07-18 | 삼성전자주식회사 | 비휘발성 기억 소자의 형성 방법 |
KR100753020B1 (ko) * | 2006-08-30 | 2007-08-30 | 한국화학연구원 | 원자층 증착법을 이용한 비휘발성 부유 게이트 메모리소자를 위한 나노적층체의 제조방법 |
US20080121967A1 (en) * | 2006-09-08 | 2008-05-29 | Ramachandran Muralidhar | Nanocrystal non-volatile memory cell and method therefor |
US7517747B2 (en) * | 2006-09-08 | 2009-04-14 | Freescale Semiconductor, Inc. | Nanocrystal non-volatile memory cell and method therefor |
KR100851553B1 (ko) * | 2006-10-02 | 2008-08-11 | 삼성전자주식회사 | 반도체 소자 및 그 구동방법 |
KR20080031594A (ko) * | 2006-10-04 | 2008-04-10 | 삼성전자주식회사 | 전하 트랩형 메모리 소자 |
KR101427142B1 (ko) * | 2006-10-05 | 2014-08-07 | 에이에스엠 아메리카, 인코포레이티드 | 금속 규산염 막의 원자층 증착 |
US7687349B2 (en) * | 2006-10-30 | 2010-03-30 | Atmel Corporation | Growth of silicon nanodots having a metallic coating using gaseous precursors |
KR100836426B1 (ko) | 2006-11-24 | 2008-06-09 | 삼성에스디아이 주식회사 | 비휘발성 메모리 소자 및 그 제조방법과 이를 포함한메모리 장치 |
JPWO2008069325A1 (ja) * | 2006-12-07 | 2010-03-25 | 日本電気株式会社 | 半導体記憶装置および半導体装置 |
KR101033221B1 (ko) | 2006-12-29 | 2011-05-06 | 주식회사 하이닉스반도체 | 전하트랩층을 갖는 불휘발성 메모리소자 및 그 제조방법 |
US7763511B2 (en) * | 2006-12-29 | 2010-07-27 | Intel Corporation | Dielectric barrier for nanocrystals |
US8084087B2 (en) * | 2007-02-14 | 2011-12-27 | The Board Of Trustees Of The Leland Stanford Junior University | Fabrication method of size-controlled, spatially distributed nanostructures by atomic layer deposition |
KR101341571B1 (ko) * | 2007-04-30 | 2013-12-16 | 삼성전자주식회사 | 비휘발성 메모리 소자 및 그 제조방법 |
ITMI20071140A1 (it) * | 2007-06-04 | 2008-12-05 | St Microelectronics Srl | Processo per la realizzazione di un dispositivo di memoria integrato su un substrato semiconduttore e comprendente celle di memoria a nanocristalli e transistori cmos. |
US8367506B2 (en) | 2007-06-04 | 2013-02-05 | Micron Technology, Inc. | High-k dielectrics with gold nano-particles |
US7973286B2 (en) * | 2007-06-04 | 2011-07-05 | The Regents Of The University Of Michigan | Detector having a thin film of boron nitride (BN) such as cubic BN and method, systems and array utilizing same |
US7846793B2 (en) * | 2007-10-03 | 2010-12-07 | Applied Materials, Inc. | Plasma surface treatment for SI and metal nanocrystal nucleation |
US20090246510A1 (en) * | 2008-03-25 | 2009-10-01 | Commissariat A L'energie Atomique | Metallic nanocrystal patterning |
US20090243048A1 (en) * | 2008-03-25 | 2009-10-01 | Joel Dufourcq | Metallic nanocrystal encapsulation |
US8545936B2 (en) | 2008-03-28 | 2013-10-01 | Asm International N.V. | Methods for forming carbon nanotubes |
US9978185B1 (en) | 2008-04-15 | 2018-05-22 | Stamps.Com Inc. | Systems and methods for activation of postage indicia at point of sale |
WO2009133500A1 (en) * | 2008-04-28 | 2009-11-05 | Nxp B.V. | Method of forming a nanocluster-comprising dielectric layer and device comprising such a layer |
JP5665289B2 (ja) | 2008-10-29 | 2015-02-04 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理方法および基板処理装置 |
TWI401806B (zh) * | 2008-12-02 | 2013-07-11 | Chung Shan Inst Of Science | 半導體元件及其製造方法 |
US7871886B2 (en) | 2008-12-19 | 2011-01-18 | Freescale Semiconductor, Inc. | Nanocrystal memory with differential energy bands and method of formation |
US7799634B2 (en) * | 2008-12-19 | 2010-09-21 | Freescale Semiconductor, Inc. | Method of forming nanocrystals |
FR2974941B1 (fr) | 2011-05-06 | 2013-06-14 | Commissariat Energie Atomique | Procede de realisation de nanocristaux de |
JP5878797B2 (ja) | 2012-03-13 | 2016-03-08 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
AT512636B1 (de) * | 2012-05-29 | 2013-10-15 | Alberta Mag Dr Bonanni | Verfahren zum Einbetten magnetischer Nanokristalle in einen Halbleiter |
KR102107109B1 (ko) | 2013-10-17 | 2020-05-29 | 삼성디스플레이 주식회사 | 유기 발광 장치 및 이의 제조 방법 |
US10163932B1 (en) | 2015-07-24 | 2018-12-25 | Nutech Ventures | Memory device based on heterostructures of ferroelectric and two-dimensional materials |
US10573522B2 (en) | 2016-08-16 | 2020-02-25 | Lam Research Corporation | Method for preventing line bending during metal fill process |
CN106920755A (zh) * | 2017-02-14 | 2017-07-04 | 复旦大学 | 一种高密度镍纳米颗粒的制备方法及其应用 |
US11549175B2 (en) | 2018-05-03 | 2023-01-10 | Lam Research Corporation | Method of depositing tungsten and other metals in 3D NAND structures |
SG11202109796QA (en) | 2019-03-11 | 2021-10-28 | Lam Res Corp | Precursors for deposition of molybdenum-containing films |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1065024A (ja) | 1996-08-13 | 1998-03-06 | Toshiba Corp | 不揮発性半導体記憶装置 |
KR100276774B1 (ko) | 1997-09-30 | 2001-01-15 | 마찌다 가쯔히꼬 | 반도체 나노결정의 제조 방법 및 그 반도체 나노결정을 사용한반도체 기억 소자 |
KR20020038274A (ko) * | 2000-11-17 | 2002-05-23 | 박종섭 | 실리콘 양자점의 형성방법 및 그를 이용한 비휘발성메모리 소자의 제조방법 |
KR20020092383A (ko) * | 2000-03-14 | 2002-12-11 | 모토로라 인코포레이티드 | 메모리 셀, 형성 방법 및 동작 |
KR20030002747A (ko) * | 2001-06-29 | 2003-01-09 | 주식회사 하이닉스반도체 | 배치 타입의 원자층 증착 장비 및 이를 이용한 반도체소자의 박막 형성 방법 |
KR20040077565A (ko) * | 2003-02-27 | 2004-09-04 | 샤프 가부시키가이샤 | 나노층 박막의 원자층 증착 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100434553B1 (ko) | 1997-08-27 | 2004-09-18 | 삼성전자주식회사 | 단일전자트랜지스터및그제조방법 |
JPH11317464A (ja) * | 1998-03-02 | 1999-11-16 | Sony Corp | 電気的書き換えが可能なメモリ素子及びその製造方法 |
JP3204942B2 (ja) * | 1998-06-26 | 2001-09-04 | 株式会社東芝 | 半導体装置 |
JP2000340678A (ja) * | 1999-03-19 | 2000-12-08 | Toshiba Corp | 半導体装置の製造方法 |
JP3911658B2 (ja) | 1999-05-28 | 2007-05-09 | 富士通株式会社 | 半導体装置の製造方法 |
JP2001015613A (ja) * | 1999-06-29 | 2001-01-19 | Sony Corp | 不揮発性半導体記憶装置およびその製造方法 |
WO2001029893A1 (en) * | 1999-10-15 | 2001-04-26 | Asm America, Inc. | Method for depositing nanolaminate thin films on sensitive surfaces |
DE60125338T2 (de) * | 2000-03-07 | 2007-07-05 | Asm International N.V. | Gradierte dünne schichten |
US6297095B1 (en) * | 2000-06-16 | 2001-10-02 | Motorola, Inc. | Memory device that includes passivated nanoclusters and method for manufacture |
US6344403B1 (en) * | 2000-06-16 | 2002-02-05 | Motorola, Inc. | Memory device and method for manufacture |
JP4792620B2 (ja) * | 2000-06-21 | 2011-10-12 | ソニー株式会社 | 不揮発性半導体記憶装置およびその製造方法 |
WO2002003430A2 (en) * | 2000-06-29 | 2002-01-10 | California Institute Of Technology | Aerosol process for fabricating discontinuous floating gate microelectronic devices |
US6400610B1 (en) * | 2000-07-05 | 2002-06-04 | Motorola, Inc. | Memory device including isolated storage elements that utilize hole conduction and method therefor |
EP2323164B1 (en) * | 2000-08-14 | 2015-11-25 | SanDisk 3D LLC | Multilevel memory array and method for making same |
JP2002222876A (ja) * | 2001-01-25 | 2002-08-09 | Sony Corp | 不揮発性半導体記憶素子及びその製造方法 |
JP4590744B2 (ja) * | 2001-01-25 | 2010-12-01 | ソニー株式会社 | 不揮発性半導体記憶素子及びその製造方法 |
TW589684B (en) * | 2001-10-10 | 2004-06-01 | Applied Materials Inc | Method for depositing refractory metal layers employing sequential deposition techniques |
US6833161B2 (en) * | 2002-02-26 | 2004-12-21 | Applied Materials, Inc. | Cyclical deposition of tungsten nitride for metal oxide gate electrode |
US7005697B2 (en) * | 2002-06-21 | 2006-02-28 | Micron Technology, Inc. | Method of forming a non-volatile electron storage memory and the resulting device |
US6888739B2 (en) * | 2002-06-21 | 2005-05-03 | Micron Technology Inc. | Nanocrystal write once read only memory for archival storage |
US6808986B2 (en) * | 2002-08-30 | 2004-10-26 | Freescale Semiconductor, Inc. | Method of forming nanocrystals in a memory device |
JP2004158810A (ja) * | 2002-09-10 | 2004-06-03 | Fujitsu Ltd | 不揮発性半導体メモリ |
US6713812B1 (en) * | 2002-10-09 | 2004-03-30 | Motorola, Inc. | Non-volatile memory device having an anti-punch through (APT) region |
US6784103B1 (en) * | 2003-05-21 | 2004-08-31 | Freescale Semiconductor, Inc. | Method of formation of nanocrystals on a semiconductor structure |
KR100558003B1 (ko) * | 2003-09-26 | 2006-03-06 | 삼성전자주식회사 | 복수개의 유전체 나노클러스터들을 채택하는 비휘발성메모리 셀 및 그것을 제조하는 방법 |
-
2004
- 2004-08-24 KR KR1020040066930A patent/KR100615093B1/ko active IP Right Grant
- 2004-12-28 US US11/023,993 patent/US7148106B2/en active Active
-
2005
- 2005-07-22 JP JP2005213254A patent/JP4823594B2/ja active Active
-
2006
- 2006-11-20 US US11/561,644 patent/US7651904B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1065024A (ja) | 1996-08-13 | 1998-03-06 | Toshiba Corp | 不揮発性半導体記憶装置 |
KR100276774B1 (ko) | 1997-09-30 | 2001-01-15 | 마찌다 가쯔히꼬 | 반도체 나노결정의 제조 방법 및 그 반도체 나노결정을 사용한반도체 기억 소자 |
KR20020092383A (ko) * | 2000-03-14 | 2002-12-11 | 모토로라 인코포레이티드 | 메모리 셀, 형성 방법 및 동작 |
KR20020038274A (ko) * | 2000-11-17 | 2002-05-23 | 박종섭 | 실리콘 양자점의 형성방법 및 그를 이용한 비휘발성메모리 소자의 제조방법 |
KR100386614B1 (ko) | 2000-11-17 | 2003-06-02 | 주식회사 하이닉스반도체 | 실리콘 양자점의 형성방법 및 그를 이용한 비휘발성메모리 소자의 제조방법 |
KR20030002747A (ko) * | 2001-06-29 | 2003-01-09 | 주식회사 하이닉스반도체 | 배치 타입의 원자층 증착 장비 및 이를 이용한 반도체소자의 박막 형성 방법 |
KR20040077565A (ko) * | 2003-02-27 | 2004-09-04 | 샤프 가부시키가이샤 | 나노층 박막의 원자층 증착 |
Non-Patent Citations (3)
Title |
---|
10065024 |
1020020038274 |
1020030002747 |
Also Published As
Publication number | Publication date |
---|---|
KR20060018532A (ko) | 2006-03-02 |
US20070077712A1 (en) | 2007-04-05 |
JP4823594B2 (ja) | 2011-11-24 |
US20060046384A1 (en) | 2006-03-02 |
US7148106B2 (en) | 2006-12-12 |
US7651904B2 (en) | 2010-01-26 |
JP2006066896A (ja) | 2006-03-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100615093B1 (ko) | 나노크리스탈을 갖는 비휘발성 메모리 소자의 제조방법 | |
KR100894098B1 (ko) | 빠른 소거속도 및 향상된 리텐션 특성을 갖는 불휘발성메모리소자 및 그 제조방법 | |
KR100890040B1 (ko) | 전하트랩층을 갖는 불휘발성 메모리소자 및 그 제조방법 | |
US6297095B1 (en) | Memory device that includes passivated nanoclusters and method for manufacture | |
US20070120179A1 (en) | SONOS type non-volatile memory devices having a laminate blocking insulation layer and methods of manufacturing the same | |
KR100843229B1 (ko) | 하이브리드 구조의 전하 트랩막을 포함하는 플래쉬 메모리소자 및 그 제조 방법 | |
JP2007043147A (ja) | 原子層蒸着工程を用いたシリコンリッチナノクリスタル構造物の形成方法及びこれを用いた不揮発性半導体装置の製造方法 | |
JP4617574B2 (ja) | 不揮発性半導体記憶装置およびその製造方法 | |
KR20090095393A (ko) | 전하 트랩층을 갖는 불휘발성 메모리소자의 제조방법 | |
US7795159B2 (en) | Charge trap layer for a charge trap semiconductor memory device and method of manufacturing the same | |
KR20080062739A (ko) | 전하트랩층을 갖는 불휘발성 메모리소자 및 그 제조방법 | |
KR20050014317A (ko) | 부유트랩형 비휘발성 메모리 셀을 갖는 반도체 장치 및그의 제조방법 | |
KR101153310B1 (ko) | Mos형 반도체 메모리 장치의 제조 방법 및 플라즈마 cvd 장치 | |
US7919371B2 (en) | Method for fabricating non-volatile memory device with charge trapping layer | |
KR100811272B1 (ko) | 전하트랩층을 갖는 불휘발성 메모리소자 및 그 제조방법 | |
KR20080041478A (ko) | 전하트랩층을 갖는 불휘발성 메모리소자 및 그 제조방법 | |
KR100722776B1 (ko) | 원자층 증착 공정을 이용한 실리콘 리치 나노-크리스탈구조물의 형성 방법 및 이를 이용한 불휘발성 반도체장치의 제조 방법 | |
KR100791333B1 (ko) | 비휘발성 메모리 소자 제조 방법 및 이에 따라 제조된비휘발성 메모리 소자 | |
JP6165333B2 (ja) | サイクリック薄膜蒸着方法及び半導体製造方法及び半導体素子 | |
KR20080010514A (ko) | 절연막 구조물의 형성 방법 및 이를 이용한 불 휘발성메모리 소자의 형성 방법 | |
CN115274682A (zh) | Sonos存储器及其制造方法 | |
KR100814374B1 (ko) | 불휘발성 메모리 장치의 제조 방법 | |
KR100833445B1 (ko) | 플래시 메모리 소자의 제조방법 | |
KR20070023373A (ko) | 비휘발성 메모리 장치의 제조 방법 | |
KR20080092540A (ko) | 비휘발성 메모리 소자의 제조 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120801 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20130731 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20140731 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20160801 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20180731 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20190731 Year of fee payment: 14 |