CN100530600C - 形成非易失性半导体内存组件的方法 - Google Patents
形成非易失性半导体内存组件的方法 Download PDFInfo
- Publication number
- CN100530600C CN100530600C CNB01819608XA CN01819608A CN100530600C CN 100530600 C CN100530600 C CN 100530600C CN B01819608X A CNB01819608X A CN B01819608XA CN 01819608 A CN01819608 A CN 01819608A CN 100530600 C CN100530600 C CN 100530600C
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- Prior art keywords
- dielectric medium
- silicon
- central area
- electric charge
- dielectric
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- 239000000377 silicon dioxide Substances 0.000 claims description 150
- 235000012239 silicon dioxide Nutrition 0.000 claims description 95
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 83
- 229910052710 silicon Inorganic materials 0.000 claims description 75
- 239000010703 silicon Substances 0.000 claims description 75
- 230000002093 peripheral effect Effects 0.000 claims description 74
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 60
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 57
- 238000002347 injection Methods 0.000 claims description 52
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- 229910052712 strontium Inorganic materials 0.000 claims description 15
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 15
- 238000002513 implantation Methods 0.000 claims description 14
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 12
- 229910052796 boron Inorganic materials 0.000 claims description 12
- 229910052454 barium strontium titanate Inorganic materials 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 10
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 10
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052785 arsenic Inorganic materials 0.000 claims description 5
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 5
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 5
- 238000005121 nitriding Methods 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 230000005264 electron capture Effects 0.000 claims 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 54
- -1 silicon oxide nitride Chemical class 0.000 description 44
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 33
- 229920005591 polysilicon Polymers 0.000 description 33
- 239000000463 material Substances 0.000 description 21
- 238000000059 patterning Methods 0.000 description 19
- 238000005229 chemical vapour deposition Methods 0.000 description 18
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- 229910045601 alloy Inorganic materials 0.000 description 8
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- 229910052681 coesite Inorganic materials 0.000 description 8
- 229910052906 cristobalite Inorganic materials 0.000 description 8
- 229910052682 stishovite Inorganic materials 0.000 description 8
- 229910052905 tridymite Inorganic materials 0.000 description 8
- 239000003989 dielectric material Substances 0.000 description 7
- 239000007943 implant Substances 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
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- 229910002370 SrTiO3 Inorganic materials 0.000 description 3
- UMVBXBACMIOFDO-UHFFFAOYSA-N [N].[Si] Chemical compound [N].[Si] UMVBXBACMIOFDO-UHFFFAOYSA-N 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 210000003323 beak Anatomy 0.000 description 2
- 239000011469 building brick Substances 0.000 description 2
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- 230000008676 import Effects 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 2
- 241000293849 Cordylanthus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- LPQOADBMXVRBNX-UHFFFAOYSA-N ac1ldcw0 Chemical group Cl.C1CN(C)CCN1C1=C(F)C=C2C(=O)C(C(O)=O)=CN3CCSC1=C32 LPQOADBMXVRBNX-UHFFFAOYSA-N 0.000 description 1
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- 150000004767 nitrides Chemical class 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/30—EEPROM devices comprising charge-trapping gate insulators characterised by the memory core region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body
- H01L27/10—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration
- H01L27/105—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration including field-effect components
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/40—EEPROM devices comprising charge-trapping gate insulators characterised by the peripheral circuit region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/954—Making oxide-nitride-oxide device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/981—Utilizing varying dielectric thickness
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/723,635 | 2000-11-28 | ||
US09/723,635 US6465306B1 (en) | 2000-11-28 | 2000-11-28 | Simultaneous formation of charge storage and bitline to wordline isolation |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1478298A CN1478298A (zh) | 2004-02-25 |
CN100530600C true CN100530600C (zh) | 2009-08-19 |
Family
ID=24907066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB01819608XA Expired - Fee Related CN100530600C (zh) | 2000-11-28 | 2001-08-07 | 形成非易失性半导体内存组件的方法 |
Country Status (8)
Country | Link |
---|---|
US (3) | US6465306B1 (zh) |
EP (1) | EP1338034B1 (zh) |
JP (1) | JP5132024B2 (zh) |
KR (1) | KR100810710B1 (zh) |
CN (1) | CN100530600C (zh) |
AU (1) | AU2001283186A1 (zh) |
DE (2) | DE60141035D1 (zh) |
WO (1) | WO2002045157A1 (zh) |
Families Citing this family (112)
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2000
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DE60144340D1 (de) | 2011-05-12 |
KR100810710B1 (ko) | 2008-03-07 |
WO2002045157A1 (en) | 2002-06-06 |
EP1338034B1 (en) | 2010-01-06 |
US6465306B1 (en) | 2002-10-15 |
EP1338034A1 (en) | 2003-08-27 |
KR20030060958A (ko) | 2003-07-16 |
JP5132024B2 (ja) | 2013-01-30 |
US20020063277A1 (en) | 2002-05-30 |
AU2001283186A1 (en) | 2002-06-11 |
US20020192910A1 (en) | 2002-12-19 |
JP2004515076A (ja) | 2004-05-20 |
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