CN1135628C - 非易失性存储单元 - Google Patents
非易失性存储单元 Download PDFInfo
- Publication number
- CN1135628C CN1135628C CNB971999996A CN97199999A CN1135628C CN 1135628 C CN1135628 C CN 1135628C CN B971999996 A CNB971999996 A CN B971999996A CN 97199999 A CN97199999 A CN 97199999A CN 1135628 C CN1135628 C CN 1135628C
- Authority
- CN
- China
- Prior art keywords
- layer
- gate electrode
- recess
- control grid
- substrate
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 210000000352 storage cell Anatomy 0.000 title abstract 2
- 239000004065 semiconductor Substances 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 52
- 239000000758 substrate Substances 0.000 claims description 30
- 235000012239 silicon dioxide Nutrition 0.000 claims description 26
- 239000000377 silicon dioxide Substances 0.000 claims description 26
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 14
- 229920005591 polysilicon Polymers 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 2
- 238000007667 floating Methods 0.000 abstract description 33
- 229910052581 Si3N4 Inorganic materials 0.000 description 10
- 238000005530 etching Methods 0.000 description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 210000003323 beak Anatomy 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 description 1
- 229960001231 choline Drugs 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
Landscapes
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19639026.5 | 1996-09-23 | ||
DE19639026A DE19639026C1 (de) | 1996-09-23 | 1996-09-23 | Selbstjustierte nichtflüchtige Speicherzelle |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1238857A CN1238857A (zh) | 1999-12-15 |
CN1135628C true CN1135628C (zh) | 2004-01-21 |
Family
ID=7806628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971999996A Expired - Fee Related CN1135628C (zh) | 1996-09-23 | 1997-09-15 | 非易失性存储单元 |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0948816B1 (zh) |
JP (1) | JP2001501034A (zh) |
KR (1) | KR20000048526A (zh) |
CN (1) | CN1135628C (zh) |
AT (1) | ATE265091T1 (zh) |
BR (1) | BR9712840A (zh) |
DE (2) | DE19639026C1 (zh) |
IN (1) | IN191647B (zh) |
RU (1) | RU2205471C2 (zh) |
UA (1) | UA57034C2 (zh) |
WO (1) | WO1998013878A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101221810B (zh) * | 2006-11-20 | 2010-06-09 | 旺宏电子股份有限公司 | 栅极二极管非易失性存储器的操作 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2810161B1 (fr) * | 2000-06-09 | 2005-03-11 | Commissariat Energie Atomique | Memoire electronique a architecture damascene et procede de realisation d'une telle memoire |
US6661053B2 (en) | 2001-12-18 | 2003-12-09 | Infineon Technologies Ag | Memory cell with trench transistor |
TW575960B (en) * | 2001-12-18 | 2004-02-11 | Infineon Technologies Ag | Memory cell with trench transistor |
DE10162261B4 (de) * | 2001-12-18 | 2005-09-15 | Infineon Technologies Ag | Speicherzelle mit Grabentransistor |
DE10204873C1 (de) | 2002-02-06 | 2003-10-09 | Infineon Technologies Ag | Herstellungsverfahren für Speicherzelle |
DE10226964A1 (de) | 2002-06-17 | 2004-01-08 | Infineon Technologies Ag | Verfahren zur Herstellung einer NROM-Speicherzellenanordnung |
DE10229065A1 (de) * | 2002-06-28 | 2004-01-29 | Infineon Technologies Ag | Verfahren zur Herstellung eines NROM-Speicherzellenfeldes |
DE10306318B4 (de) * | 2003-02-14 | 2010-07-22 | Infineon Technologies Ag | Halbleiter-Schaltungsanordnung mit Grabenisolation und Herstellungsverfahren |
KR100674952B1 (ko) * | 2005-02-05 | 2007-01-26 | 삼성전자주식회사 | 3차원 플래쉬 메모리 소자 및 그 제조방법 |
US7365382B2 (en) * | 2005-02-28 | 2008-04-29 | Infineon Technologies Ag | Semiconductor memory having charge trapping memory cells and fabrication method thereof |
KR100707217B1 (ko) * | 2006-05-26 | 2007-04-13 | 삼성전자주식회사 | 리세스-타입 제어 게이트 전극을 구비하는 반도체 메모리소자 및 그 제조 방법 |
KR101131136B1 (ko) * | 2006-10-19 | 2012-04-03 | 삼성전자주식회사 | 리세스-타입 제어 게이트 전극을 구비하는 반도체 메모리소자의 동작 방법 |
JP5301123B2 (ja) * | 2007-07-25 | 2013-09-25 | スパンション エルエルシー | 半導体装置及びその製造方法 |
JP5546740B2 (ja) | 2008-05-23 | 2014-07-09 | ローム株式会社 | 半導体装置 |
WO2010114406A1 (ru) * | 2009-03-30 | 2010-10-07 | Murashev Viktor Nikolaevich | Ячейка памяти для быстродействующего эсппзу и способ ее программирования |
RU2465659C1 (ru) * | 2011-08-09 | 2012-10-27 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | Ячейка памяти для быстродействующего эсппзу с управляемым потенциалом подзатворной области |
JP5815786B2 (ja) * | 2014-04-09 | 2015-11-17 | ローム株式会社 | 半導体装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0715953B2 (ja) * | 1985-08-09 | 1995-02-22 | 株式会社リコー | 書換え可能なメモリ装置とその製造方法 |
JPS6285468A (ja) * | 1985-10-09 | 1987-04-18 | Nippon Denso Co Ltd | 不揮発性半導体記憶装置 |
US5045490A (en) * | 1990-01-23 | 1991-09-03 | Texas Instruments Incorporated | Method of making a pleated floating gate trench EPROM |
JP2925312B2 (ja) * | 1990-11-30 | 1999-07-28 | 株式会社東芝 | 半導体基板の製造方法 |
JP2889061B2 (ja) * | 1992-09-25 | 1999-05-10 | ローム株式会社 | 半導体記憶装置およびその製法 |
KR0125113B1 (ko) * | 1993-02-02 | 1997-12-11 | 모리시타 요이찌 | 불휘발성 반도체 메모리 집적장치 및 그 제조방법 |
JPH0738002A (ja) * | 1993-07-22 | 1995-02-07 | Toshiba Corp | 半導体装置及びその半導体装置を用いた不揮発性半導体メモリとそのメモリの駆動回路 |
-
1996
- 1996-09-23 DE DE19639026A patent/DE19639026C1/de not_active Expired - Fee Related
-
1997
- 1997-09-15 JP JP10515143A patent/JP2001501034A/ja not_active Abandoned
- 1997-09-15 KR KR1019990702433A patent/KR20000048526A/ko active IP Right Grant
- 1997-09-15 UA UA99031564A patent/UA57034C2/uk unknown
- 1997-09-15 EP EP97944710A patent/EP0948816B1/de not_active Expired - Lifetime
- 1997-09-15 DE DE59711553T patent/DE59711553D1/de not_active Expired - Lifetime
- 1997-09-15 BR BR9712840-6A patent/BR9712840A/pt not_active IP Right Cessation
- 1997-09-15 RU RU99108463/28A patent/RU2205471C2/ru not_active IP Right Cessation
- 1997-09-15 WO PCT/DE1997/002066 patent/WO1998013878A1/de active IP Right Grant
- 1997-09-15 CN CNB971999996A patent/CN1135628C/zh not_active Expired - Fee Related
- 1997-09-15 AT AT97944710T patent/ATE265091T1/de not_active IP Right Cessation
- 1997-09-16 IN IN1704CA1997 patent/IN191647B/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101221810B (zh) * | 2006-11-20 | 2010-06-09 | 旺宏电子股份有限公司 | 栅极二极管非易失性存储器的操作 |
Also Published As
Publication number | Publication date |
---|---|
DE59711553D1 (de) | 2004-05-27 |
DE19639026C1 (de) | 1998-04-09 |
ATE265091T1 (de) | 2004-05-15 |
WO1998013878A1 (de) | 1998-04-02 |
JP2001501034A (ja) | 2001-01-23 |
EP0948816A1 (de) | 1999-10-13 |
KR20000048526A (ko) | 2000-07-25 |
EP0948816B1 (de) | 2004-04-21 |
BR9712840A (pt) | 2000-12-05 |
RU2205471C2 (ru) | 2003-05-27 |
CN1238857A (zh) | 1999-12-15 |
IN191647B (zh) | 2003-12-13 |
UA57034C2 (uk) | 2003-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: SIEMENS AG Effective date: 20120223 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120223 Address after: Federal Republic of Germany City, Laura Ibiza Berger Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: Siemens AG |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040121 Termination date: 20160915 |
|
CF01 | Termination of patent right due to non-payment of annual fee |