JPWO2006080064A1 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JPWO2006080064A1 JPWO2006080064A1 JP2007500377A JP2007500377A JPWO2006080064A1 JP WO2006080064 A1 JPWO2006080064 A1 JP WO2006080064A1 JP 2007500377 A JP2007500377 A JP 2007500377A JP 2007500377 A JP2007500377 A JP 2007500377A JP WO2006080064 A1 JPWO2006080064 A1 JP WO2006080064A1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 229910021332 silicide Inorganic materials 0.000 claims description 17
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 17
- 238000005468 ion implantation Methods 0.000 claims description 7
- 230000015654 memory Effects 0.000 abstract description 50
- 239000010408 film Substances 0.000 description 24
- 239000010410 layer Substances 0.000 description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 14
- 229910052710 silicon Inorganic materials 0.000 description 14
- 239000010703 silicon Substances 0.000 description 14
- 229910052814 silicon oxide Inorganic materials 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 230000004048 modification Effects 0.000 description 10
- 238000012986 modification Methods 0.000 description 10
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000002513 implantation Methods 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- -1 Metal Oxide Nitride Chemical class 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910015900 BF3 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0466—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells with charge storage in an insulating layer, e.g. metal-nitride-oxide-silicon [MNOS], silicon-oxide-nitride-oxide-silicon [SONOS]
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (9)
- ソース領域及びドレイン領域を有する半導体基板と、
前記半導体基板に設けられたゲートと、
カソード領域が前記ドレイン領域に接続されたダイオードと、
前記ダイオードのアノード領域に接続されたビットラインとを具備し、
前記ドレイン領域及び前記カソード領域が、共通のN型半導体領域であるドレイン・カソード共通領域からなる半導体装置。 - 前記アノード領域が、前記ドレイン・カソード共通領域に下部および側部を囲まれたP型半導体領域である請求項1記載の半導体装置。
- 前記ゲートの表面に接する第1の珪化金属層と、前記アノード領域に下部および側部を囲まれた第2の珪化金属層を具備し、前記第2の珪化金属層が前記ビットラインに接続された請求項2記載の半導体装置。
- 前記ゲートは、制御ゲートおよび浮遊ゲートを含む請求項1から3のいずれか一項記載の半導体装置。
- データ消去を、前記半導体基板に正の電圧を印加し、前記制御ゲートに負の電圧を印加し、前記ビットラインを開放状態として行う請求項4記載の半導体装置。
- 半導体基板に、該半導体基板上の積層体に形成された第1の開口部を介したイオン注入により、N型半導体からなるドレイン・カソード共通領域を形成する第1の工程と、
前記ドレイン・カソード共通領域に、前記積層体に形成された第2の開口部を介したイオン注入により、前記ドレイン・カソード共通領域によって囲まれた下部と側部を有するP型半導体からなるダイオードのアノード領域を形成する第2の工程と、
前記アノード領域をビットラインに接続する工程とを具備する半導体装置の製造方法。 - 前記第1の工程の後、前記第1の開口部の側部に第1の側壁を形成することにより第2の開口部を形成する工程を具備する請求項6記載の半導体装置の製造方法。
- 前記第1の開口部が隣接するトランジスタのゲート間に形成された開口部である請求項7記載の半導体装置の製造方法。
- 前記第2の工程の後、前記第2の開口部の側部に第2の側壁を形成することにより第3の開口部を形成する工程と、
前記ゲート表面を珪化させ第1の珪化金属層を形成すると同時に、前記第3の開口部を用い、前記アノード領域表面を珪化させ第2の珪化金属層を形成する工程とを具備する請求項8の半導体装置の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/001084 WO2006080064A1 (ja) | 2005-01-27 | 2005-01-27 | 半導体装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2006080064A1 true JPWO2006080064A1 (ja) | 2008-06-19 |
JP4974880B2 JP4974880B2 (ja) | 2012-07-11 |
Family
ID=36740099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007500377A Expired - Fee Related JP4974880B2 (ja) | 2005-01-27 | 2005-01-27 | 半導体装置及びその製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060244019A1 (ja) |
JP (1) | JP4974880B2 (ja) |
WO (1) | WO2006080064A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5434594B2 (ja) * | 2007-08-16 | 2014-03-05 | 日本電気株式会社 | 不揮発性半導体メモリ装置 |
US11183242B1 (en) | 2020-05-18 | 2021-11-23 | Micron Technology, Inc. | Preventing parasitic current during program operations in memory |
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TW209308B (en) * | 1992-03-02 | 1993-07-11 | Digital Equipment Corp | Self-aligned cobalt silicide on MOS integrated circuits |
JP3118063B2 (ja) * | 1992-03-23 | 2000-12-18 | ローム株式会社 | 不揮発性記憶素子およびこれを利用した不揮発性記憶装置、ならびに不揮発性記憶素子の製造方法 |
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EP0696050B1 (en) * | 1994-07-18 | 1998-10-14 | STMicroelectronics S.r.l. | EPROM and Flash-EEPROM non-volatile memory and method of manufacturing the same |
JP3197158B2 (ja) * | 1994-07-22 | 2001-08-13 | 松下電器産業株式会社 | 半導体記憶装置及びその駆動方法 |
JP3197168B2 (ja) * | 1994-10-03 | 2001-08-13 | 松下電器産業株式会社 | 半導体記憶装置の駆動方法 |
KR100193101B1 (ko) * | 1994-07-22 | 1999-06-15 | 모리시다 요이치 | 비휘발성 반도체 기억장치 및 그 구동방법 |
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-
2005
- 2005-01-27 WO PCT/JP2005/001084 patent/WO2006080064A1/ja not_active Application Discontinuation
- 2005-01-27 JP JP2007500377A patent/JP4974880B2/ja not_active Expired - Fee Related
-
2006
- 2006-01-26 US US11/341,932 patent/US20060244019A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20060244019A1 (en) | 2006-11-02 |
WO2006080064A1 (ja) | 2006-08-03 |
JP4974880B2 (ja) | 2012-07-11 |
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