KR100667909B1 - 비휘발성 반도체 메모리 장치 - Google Patents
비휘발성 반도체 메모리 장치 Download PDFInfo
- Publication number
- KR100667909B1 KR100667909B1 KR1020050134385A KR20050134385A KR100667909B1 KR 100667909 B1 KR100667909 B1 KR 100667909B1 KR 1020050134385 A KR1020050134385 A KR 1020050134385A KR 20050134385 A KR20050134385 A KR 20050134385A KR 100667909 B1 KR100667909 B1 KR 100667909B1
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- Prior art keywords
- insulating film
- electrode
- active region
- transistor
- voltage
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- 239000003990 capacitor Substances 0.000 claims abstract description 58
- 239000004065 semiconductor Substances 0.000 claims abstract description 57
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 description 28
- 230000005641 tunneling Effects 0.000 description 25
- 210000004027 cell Anatomy 0.000 description 21
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 17
- 229920005591 polysilicon Polymers 0.000 description 17
- 238000007667 floating Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000005684 electric field Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000006386 memory function Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 210000004692 intercellular junction Anatomy 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Classifications
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
- H01L29/7881—Programmable transistors with only two possible levels of programmation
- H01L29/7883—Programmable transistors with only two possible levels of programmation charging by tunnelling of carriers, e.g. Fowler-Nordheim tunnelling
-
- 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
-
- 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
- H10B41/10—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the top-view layout
-
- 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
- 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
- H10B41/60—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates the control gate being a doped region, e.g. single-poly memory cell
-
- 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 (7)
- 반도체 기판;상기 반도체 기판에 형성된 제 1 활성 영역 및 제 2 활성 영역을 분리하는 소자 분리 영역;상기 제 1 활성 영역에 제 1 절연막을 매개로 형성된 트랜지스터 전극;상기 제 1 활성 영역에 제 2 절연막을 매개로 형성된 제 1 커패시터 전극; 및상기 제 2 활성 영역에 제 3 절연막을 매개로 형성되어 상기 트랜지스터 전극 및 상기 제 1 커패시터 전극에 전기적으로 연결된 제 2 커패시터 전극을 포함하는 것을 특징으로 하는 비휘발성 반도체 메모리 장치.
- 제 1항에 있어서,상기 제 1 절연막의 두께는 상기 제 2 절연막의 두께보다 큰 것을 특징으로 하는 비휘발성 반도체 메모리 장치.
- 제 1항에 있어서,상기 제 1 절연막과 상기 제 3 절연막의 두께는 동일한 것을 특징으로 하는 비휘발성 반도체 메모리 장치.
- 제 1항에 있어서,상기 제 1 절연막과 상기 제 3 절연막은 동시에 형성된 것을 특징으로 하는 비휘발성 반도체 메모리 장치.
- 제 1항에 있어서,상기 제 2 커패시터 전극은 상기 제 2 활성 영역의 내부에 형성된 것을 특징으로 하는 비휘발성 반도체 메모리 장치.
- 제 1항에 있어서,상기 트랜지스터 전극 및 상기 제 1 커패시터 전극은 금속라인에 의해서 상기 제 2 커패시터 전극에 연결된 것을 특징으로 하는 비휘발성 반도체 메모리 장치.
- 제 1항에 있어서,상기 제 1 활성 영역에 제 4 절연막을 매개로 형성된 선택 트랜지스터 전극을 더 포함하는 것을 특징으로 하는 비휘발성 반도체 메모리 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050134385A KR100667909B1 (ko) | 2005-12-29 | 2005-12-29 | 비휘발성 반도체 메모리 장치 |
JP2006356457A JP5000293B2 (ja) | 2005-12-29 | 2006-12-28 | 不揮発性半導体メモリ装置 |
US11/647,203 US7772638B2 (en) | 2005-12-29 | 2006-12-29 | Non-volatile memory device |
Applications Claiming Priority (1)
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KR1020050134385A KR100667909B1 (ko) | 2005-12-29 | 2005-12-29 | 비휘발성 반도체 메모리 장치 |
Publications (1)
Publication Number | Publication Date |
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KR100667909B1 true KR100667909B1 (ko) | 2007-01-11 |
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KR1020050134385A KR100667909B1 (ko) | 2005-12-29 | 2005-12-29 | 비휘발성 반도체 메모리 장치 |
Country Status (3)
Country | Link |
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US (1) | US7772638B2 (ko) |
JP (1) | JP5000293B2 (ko) |
KR (1) | KR100667909B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101586413B1 (ko) * | 2014-12-12 | 2016-01-18 | 주식회사 윙코 | 단일 폴리 비휘발성 메모리 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20100079176A (ko) * | 2008-12-30 | 2010-07-08 | 주식회사 동부하이텍 | 이이피롬 소자 및 그 제조 방법 |
GB201111916D0 (en) * | 2011-07-12 | 2011-08-24 | Cambridge Silicon Radio Ltd | Single poly non-volatile memory cells |
EP2639817A1 (en) * | 2012-03-12 | 2013-09-18 | eMemory Technology Inc. | Method of fabricating a single-poly floating-gate memory device |
WO2017200709A1 (en) * | 2016-05-18 | 2017-11-23 | Silicon Storage Technology, Inc. | Method of making split gate non-volatile flash memory cell |
CN107425003B (zh) | 2016-05-18 | 2020-07-14 | 硅存储技术公司 | 制造分裂栅非易失性闪存单元的方法 |
Family Cites Families (17)
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JPS6057673A (ja) * | 1983-09-08 | 1985-04-03 | Nec Corp | Mos型半導体装置 |
US4807003A (en) * | 1986-12-19 | 1989-02-21 | National Semiconductor Corp. | High-reliablity single-poly eeprom cell |
IT1199828B (it) * | 1986-12-22 | 1989-01-05 | Sgs Microelettronica Spa | Cella di memoria eeprom a singolo livello di polisilicio scrivibile e cancellabile bit a bit |
US5282161A (en) * | 1990-12-31 | 1994-01-25 | Sgs-Thomson Microelectronics S.R.L. | Eeprom cell having a read interface isolated from the write/erase interface |
US5440159A (en) * | 1993-09-20 | 1995-08-08 | Atmel Corporation | Single layer polysilicon EEPROM having uniform thickness gate oxide/capacitor dielectric layer |
JP3001409B2 (ja) * | 1996-02-19 | 2000-01-24 | モトローラ株式会社 | 2層フローティングゲート構造のマルチビット対応セルを有する不揮発性メモリ及びそのプログラム/消去/読出方法 |
JP4040102B2 (ja) * | 1996-10-28 | 2008-01-30 | マクロニクス インターナショナル カンパニー リミテッド | 冗長エレメントとして単一ポリシリコンフローティングゲートトランジスタを使用するメモリ冗長回路 |
US5786614A (en) * | 1997-04-08 | 1998-07-28 | Taiwan Semiconductor Manufacturing Co., Ltd. | Separated floating gate for EEPROM application |
JPH1187664A (ja) * | 1997-04-28 | 1999-03-30 | Nippon Steel Corp | 半導体装置及びその製造方法 |
US5885871A (en) * | 1997-07-31 | 1999-03-23 | Stmicrolelectronics, Inc. | Method of making EEPROM cell structure |
JP2000031395A (ja) * | 1998-07-13 | 2000-01-28 | Nec Corp | 半導体装置とその製造方法 |
EP0977265A1 (en) * | 1998-07-30 | 2000-02-02 | STMicroelectronics S.r.l. | Circuit structure comprising a parasitic transistor having a very high threshold voltage |
US6324097B1 (en) * | 1999-08-26 | 2001-11-27 | Mosel Vitelic Inc. | Single poly non-volatile memory structure and its fabricating method |
JP4068519B2 (ja) * | 2002-07-08 | 2008-03-26 | 株式会社東芝 | 有効期限付き機能利用装置 |
JP2004165182A (ja) * | 2002-11-08 | 2004-06-10 | Ricoh Co Ltd | 半導体装置 |
KR100493061B1 (ko) * | 2003-06-20 | 2005-06-02 | 삼성전자주식회사 | 비휘발성 메모리가 내장된 단일 칩 데이터 처리 장치 |
JP2005191057A (ja) * | 2003-12-24 | 2005-07-14 | Seiko Epson Corp | 不揮発性半導体装置及びその製造方法 |
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2005
- 2005-12-29 KR KR1020050134385A patent/KR100667909B1/ko active IP Right Grant
-
2006
- 2006-12-28 JP JP2006356457A patent/JP5000293B2/ja active Active
- 2006-12-29 US US11/647,203 patent/US7772638B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101586413B1 (ko) * | 2014-12-12 | 2016-01-18 | 주식회사 윙코 | 단일 폴리 비휘발성 메모리 |
Also Published As
Publication number | Publication date |
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JP2007184612A (ja) | 2007-07-19 |
JP5000293B2 (ja) | 2012-08-15 |
US20070152262A1 (en) | 2007-07-05 |
US7772638B2 (en) | 2010-08-10 |
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