CN1212466A - 非易失性半导体存储装置及其生产方法 - Google Patents
非易失性半导体存储装置及其生产方法 Download PDFInfo
- Publication number
- CN1212466A CN1212466A CN98119837A CN98119837A CN1212466A CN 1212466 A CN1212466 A CN 1212466A CN 98119837 A CN98119837 A CN 98119837A CN 98119837 A CN98119837 A CN 98119837A CN 1212466 A CN1212466 A CN 1212466A
- Authority
- CN
- China
- Prior art keywords
- conductivity type
- control gate
- memory device
- well
- nonvolatile semiconductor
- 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.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 111
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000005530 etching Methods 0.000 claims abstract description 36
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 22
- 238000009792 diffusion process Methods 0.000 abstract description 22
- 239000000758 substrate Substances 0.000 abstract description 10
- 239000002131 composite material Substances 0.000 abstract description 8
- 238000005468 ion implantation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 63
- 239000002184 metal Substances 0.000 description 14
- 239000000428 dust Substances 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66825—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a floating gate
-
- 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
-
- 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
- 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 (14)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25569797A JP3221369B2 (ja) | 1997-09-19 | 1997-09-19 | 不揮発性半導体記憶装置及びその製造方法 |
JP255697/1997 | 1997-09-19 | ||
JP255697/97 | 1997-09-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1212466A true CN1212466A (zh) | 1999-03-31 |
CN1130774C CN1130774C (zh) | 2003-12-10 |
Family
ID=17282390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98119837A Expired - Fee Related CN1130774C (zh) | 1997-09-19 | 1998-09-18 | 非易失性半导体存储装置及其生产方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US6392268B2 (zh) |
EP (1) | EP0903789A3 (zh) |
JP (1) | JP3221369B2 (zh) |
KR (1) | KR100372392B1 (zh) |
CN (1) | CN1130774C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100363841B1 (ko) * | 1999-12-28 | 2002-12-06 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자 |
US6620673B1 (en) * | 2002-03-08 | 2003-09-16 | Alpine Microsystems, Inc. | Thin film capacitor having multi-layer dielectric film including silicon dioxide and tantalum pentoxide |
JP2006024598A (ja) * | 2004-07-06 | 2006-01-26 | Fujitsu Ltd | 半導体装置の製造方法 |
WO2006129342A1 (ja) * | 2005-05-30 | 2006-12-07 | Spansion Llc | 半導体装置およびその製造方法 |
KR100857741B1 (ko) | 2006-10-02 | 2008-09-10 | 삼성전자주식회사 | 불휘발성 메모리 소자 및 제조방법 |
US20090179247A1 (en) * | 2008-01-16 | 2009-07-16 | Renesas Technology Corp. | Semiconductor device |
JP5259246B2 (ja) | 2008-05-09 | 2013-08-07 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2011176163A (ja) | 2010-02-25 | 2011-09-08 | Panasonic Corp | 不揮発性半導体記憶装置 |
US8816438B2 (en) * | 2012-12-14 | 2014-08-26 | Spansion Llc | Process charging protection for split gate charge trapping flash |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57100768A (en) * | 1980-12-16 | 1982-06-23 | Nec Corp | Manufacture of field effect semiconductor device |
JPH0724261B2 (ja) * | 1989-01-20 | 1995-03-15 | 株式会社東芝 | 半導体装置の製造方法 |
JPH02297960A (ja) * | 1989-05-12 | 1990-12-10 | Nippon Telegr & Teleph Corp <Ntt> | 半導体装置およびその製造方法 |
US5243559A (en) | 1990-12-12 | 1993-09-07 | Nippon Steel Corporation | Semiconductor memory device |
DE69312676T2 (de) | 1993-02-17 | 1997-12-04 | Sgs Thomson Microelectronics | Prozess zur Herstellung von integrierten Bauelementen einschliesslich nichtvolatiler Speicher und Transistoren mit Tunneloxidschutz |
JPH07244991A (ja) * | 1994-03-01 | 1995-09-19 | Sony Corp | フローティングゲート型不揮発性半導体記憶装置 |
US5457652A (en) * | 1994-04-01 | 1995-10-10 | National Semiconductor Corporation | Low voltage EEPROM |
US5424233A (en) * | 1994-05-06 | 1995-06-13 | United Microflectronics Corporation | Method of making electrically programmable and erasable memory device with a depression |
JPH08181284A (ja) * | 1994-09-13 | 1996-07-12 | Hewlett Packard Co <Hp> | 保護素子およびその製造方法 |
JP3380836B2 (ja) * | 1995-07-04 | 2003-02-24 | 松下電器産業株式会社 | Mis半導体装置及びその製造方法 |
KR970008496A (ko) * | 1995-07-04 | 1997-02-24 | 모리시다 요이치 | Mis 반도체 장치와 그 제조방법 및 그 진단방법 |
JP3183326B2 (ja) * | 1996-07-17 | 2001-07-09 | 日本電気株式会社 | 読出専用半導体記憶装置 |
US5998826A (en) * | 1996-09-05 | 1999-12-07 | Macronix International Co., Ltd. | Triple well floating gate memory and operating method with isolated channel program, preprogram and erase processes |
JP2924832B2 (ja) * | 1996-11-28 | 1999-07-26 | 日本電気株式会社 | 半導体装置の製造方法 |
JPH10173157A (ja) * | 1996-12-06 | 1998-06-26 | Toshiba Corp | 半導体装置 |
JPH10200077A (ja) | 1997-01-08 | 1998-07-31 | Sony Corp | 半導体装置及びその製造方法 |
KR100239424B1 (ko) * | 1997-09-26 | 2000-01-15 | 김영환 | 정전기 보호회로 |
US6060742A (en) * | 1999-06-16 | 2000-05-09 | Worldwide Semiconductor Manufacturing Corporation | ETOX cell having bipolar electron injection for substrate-hot-electron program |
-
1997
- 1997-09-19 JP JP25569797A patent/JP3221369B2/ja not_active Expired - Fee Related
-
1998
- 1998-09-03 EP EP98116737A patent/EP0903789A3/en not_active Withdrawn
- 1998-09-04 KR KR10-1998-0036502A patent/KR100372392B1/ko not_active IP Right Cessation
- 1998-09-17 US US09/154,982 patent/US6392268B2/en not_active Expired - Fee Related
- 1998-09-18 CN CN98119837A patent/CN1130774C/zh not_active Expired - Fee Related
-
2001
- 2001-08-17 US US09/930,950 patent/US6503797B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6503797B2 (en) | 2003-01-07 |
KR100372392B1 (ko) | 2003-04-21 |
CN1130774C (zh) | 2003-12-10 |
EP0903789A3 (en) | 1999-12-08 |
EP0903789A2 (en) | 1999-03-24 |
JPH1197560A (ja) | 1999-04-09 |
US20010052616A1 (en) | 2001-12-20 |
JP3221369B2 (ja) | 2001-10-22 |
US6392268B2 (en) | 2002-05-21 |
US20010055847A1 (en) | 2001-12-27 |
KR19990029546A (ko) | 1999-04-26 |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: NEC ELECTRONICS TAIWAN LTD. Free format text: FORMER OWNER: NIPPON ELECTRIC CO., LTD. Effective date: 20030701 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20030701 Address after: Kanagawa, Japan Applicant after: NEC Corp. Address before: Tokyo, Japan Applicant before: NEC Corp. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031210 Termination date: 20091019 |