CN100440485C - 非易失半导体存储器件的制造方法 - Google Patents
非易失半导体存储器件的制造方法 Download PDFInfo
- Publication number
- CN100440485C CN100440485C CNB2005100026568A CN200510002656A CN100440485C CN 100440485 C CN100440485 C CN 100440485C CN B2005100026568 A CNB2005100026568 A CN B2005100026568A CN 200510002656 A CN200510002656 A CN 200510002656A CN 100440485 C CN100440485 C CN 100440485C
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- Prior art keywords
- dielectric film
- film
- grid
- semiconductor substrate
- conductor sheet
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- 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.)
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 93
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 63
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 44
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 36
- 238000005530 etching Methods 0.000 claims description 16
- 230000001590 oxidative effect Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 22
- 230000003647 oxidation Effects 0.000 abstract description 19
- 229910052785 arsenic Inorganic materials 0.000 abstract description 6
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 abstract description 6
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 32
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 16
- 229920005591 polysilicon Polymers 0.000 description 16
- 238000005229 chemical vapour deposition Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 9
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- 210000003323 beak Anatomy 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002784 hot electron Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000008485 antagonism Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
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- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 101100204059 Caenorhabditis elegans trap-2 gene Proteins 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009279 wet oxidation reaction Methods 0.000 description 2
- 241001232787 Epiphragma Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
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- 239000002096 quantum dot Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- 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
- H01L29/40117—Multistep manufacturing processes for data storage electrodes the electrodes comprising a charge-trapping insulator
-
- 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
- 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
Abstract
Description
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004015703A JP2005209931A (ja) | 2004-01-23 | 2004-01-23 | 不揮発性半導体記憶装置およびその製造方法 |
JP015703/2004 | 2004-01-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1645596A CN1645596A (zh) | 2005-07-27 |
CN100440485C true CN100440485C (zh) | 2008-12-03 |
Family
ID=34792449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100026568A Expired - Fee Related CN100440485C (zh) | 2004-01-23 | 2005-01-21 | 非易失半导体存储器件的制造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7282411B2 (zh) |
JP (1) | JP2005209931A (zh) |
CN (1) | CN100440485C (zh) |
TW (1) | TWI359497B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006060138A (ja) | 2004-08-23 | 2006-03-02 | Toshiba Corp | 半導体集積回路装置 |
JP2006222203A (ja) * | 2005-02-09 | 2006-08-24 | Renesas Technology Corp | 半導体装置およびその製造方法 |
KR100632638B1 (ko) * | 2005-03-09 | 2006-10-12 | 주식회사 하이닉스반도체 | 플래쉬 메모리소자의 제조방법 |
JP2007049000A (ja) * | 2005-08-11 | 2007-02-22 | Renesas Technology Corp | 半導体集積回路装置およびその製造方法 |
KR100634006B1 (ko) * | 2005-09-05 | 2006-10-16 | 동부일렉트로닉스 주식회사 | 스플리트 게이트형 비휘발성 기억 장치 및 그 제조방법 |
US7567458B2 (en) * | 2005-09-26 | 2009-07-28 | Silicon Storage Technology, Inc. | Flash memory array having control/decode circuitry for disabling top gates of defective memory cells |
US7977190B2 (en) * | 2006-06-21 | 2011-07-12 | Micron Technology, Inc. | Memory devices having reduced interference between floating gates and methods of fabricating such devices |
US9634134B2 (en) | 2011-10-13 | 2017-04-25 | Taiwan Semiconductor Manufacturing Company, Ltd. | Embedded transistor |
US8853021B2 (en) | 2011-10-13 | 2014-10-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Embedded transistor |
US11315931B2 (en) | 2011-10-13 | 2022-04-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Embedded transistor |
CN107978606B (zh) * | 2017-11-20 | 2020-08-25 | 上海华力微电子有限公司 | 一种嵌入式闪存工艺集成方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5891774A (en) * | 1995-11-17 | 1999-04-06 | Sharp Kabushiki Kaisha | Method of fabricating EEPROM using oblique implantation |
US20020036316A1 (en) * | 1999-12-10 | 2002-03-28 | Masuoka Fujio | Process for producing semiconductor memory device and semiconductor memory device |
US20030181007A1 (en) * | 2002-03-25 | 2003-09-25 | Weng-Hsing Huang | Method for reducing random bit failures of flash memories |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4012341B2 (ja) | 1999-07-14 | 2007-11-21 | 株式会社ルネサステクノロジ | 半導体集積回路装置 |
JP4058219B2 (ja) | 1999-09-17 | 2008-03-05 | 株式会社ルネサステクノロジ | 半導体集積回路 |
-
2004
- 2004-01-23 JP JP2004015703A patent/JP2005209931A/ja active Pending
- 2004-12-31 TW TW093141800A patent/TWI359497B/zh not_active IP Right Cessation
-
2005
- 2005-01-18 US US11/036,023 patent/US7282411B2/en not_active Expired - Fee Related
- 2005-01-21 CN CNB2005100026568A patent/CN100440485C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5891774A (en) * | 1995-11-17 | 1999-04-06 | Sharp Kabushiki Kaisha | Method of fabricating EEPROM using oblique implantation |
US20020036316A1 (en) * | 1999-12-10 | 2002-03-28 | Masuoka Fujio | Process for producing semiconductor memory device and semiconductor memory device |
US20030181007A1 (en) * | 2002-03-25 | 2003-09-25 | Weng-Hsing Huang | Method for reducing random bit failures of flash memories |
Also Published As
Publication number | Publication date |
---|---|
US20050164442A1 (en) | 2005-07-28 |
CN1645596A (zh) | 2005-07-27 |
TW200601555A (en) | 2006-01-01 |
JP2005209931A (ja) | 2005-08-04 |
US7282411B2 (en) | 2007-10-16 |
TWI359497B (en) | 2012-03-01 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: RENESAS ELECTRONICS Free format text: FORMER OWNER: RENESAS TECHNOLOGY CORP. Effective date: 20100919 |
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COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: TOKYO, JAPAN TO: KANAGAWA PREFECTURE, JAPAN |
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Effective date of registration: 20100919 Address after: Kanagawa Patentee after: Renesas Electronics Corporation Address before: Tokyo, Japan, Japan Patentee before: Renesas Technology Corp. |
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CP02 | Change in the address of a patent holder |
Address after: Tokyo, Japan, Japan Patentee after: Renesas Electronics Corporation Address before: Kanagawa Patentee before: Renesas Electronics Corporation |
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CF01 | Termination of patent right due to non-payment of annual fee |
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CF01 | Termination of patent right due to non-payment of annual fee |