KR100404787B1 - 비휘발성 반도체 기억 장치 및 그 제조 방법 - Google Patents
비휘발성 반도체 기억 장치 및 그 제조 방법 Download PDFInfo
- Publication number
- KR100404787B1 KR100404787B1 KR10-2001-0061855A KR20010061855A KR100404787B1 KR 100404787 B1 KR100404787 B1 KR 100404787B1 KR 20010061855 A KR20010061855 A KR 20010061855A KR 100404787 B1 KR100404787 B1 KR 100404787B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- silicon nitride
- insulating film
- trench
- gate electrode
- 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
Classifications
-
- 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
- H10B41/40—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region
- H10B41/42—Simultaneous manufacture of periphery and memory cells
- H10B41/43—Simultaneous manufacture of periphery and memory cells comprising only one type of peripheral transistor
- H10B41/44—Simultaneous manufacture of periphery and memory cells comprising only one type of peripheral transistor with a control gate layer also being used as part of the peripheral transistor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76229—Concurrent filling of a plurality of trenches having a different trench shape or dimension, e.g. rectangular and V-shaped trenches, wide and narrow trenches, shallow and deep trenches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
- H01L21/76235—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls trench shape altered by a local oxidation of silicon process step, e.g. trench corner rounding by LOCOS
-
- 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
- H10B41/40—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (3)
- 주표면을 갖는 반도체 기판과,상기 반도체 기판에 형성된 소자 분리용의 복수의 트렌치와,상기 트렌치의 벽면을 따라 형성되는 질화 실리콘층과,상기 트렌치 내에 형성된 소자 분리용의 제 1 절연막과,상기 질화 실리콘층의 주위에 위치하는 상기 주표면 상으로부터 상기 질화 실리콘층 상으로 연장되고, 상기 질화 실리콘층 상에 위치하는 부분의 두께가 상기 질화 실리콘층의 주위에 위치하는 부분의 두께 이상인 제 2 절연막과,상기 제 2 절연막 상에 형성된 플로팅 게이트 전극과,상기 플로팅 게이트 전극 상에 제 3 절연막을 거쳐서 형성되는 제어 게이트 전극을 구비한 비휘발성 반도체 기억 장치.
- 제 1 항에 있어서,상기 질화 실리콘층은 상기 트렌치의 벽면을 산화시킨 후에 질화시킴으로써 형성되는 비휘발성 반도체 기억 장치.
- 반도체 기판의 주표면 상에, 제 1 절연막을 거쳐서, 제 1 도전막을 포함하는 마스크막을 형성하는 공정과,상기 마스크막을 이용하여 상기 반도체 기판을 에칭함으로써 소자 분리용의 복수의 트렌치를 형성하는 공정과,상기 트렌치의 벽면을 산화시키는 공정과,상기 산화 후에 상기 트렌치의 벽면을 질화시킴으로써, 상기 트렌치의 벽면을 따라 연장되는 질화 실리콘층을 형성하는 공정과,상기 트렌치 내에 소자 분리용의 제 2 절연막을 형성하는 공정과,상기 마스크막의 두께를 감소시킴으로써, 상기 제 1 도전막을 노출시키는 공정과,상기 제 1 도전막 상에 제 3 절연막을 거쳐서 제 2 도전막을 형성하는 공정과,상기 제 2 도전막, 상기 제 3 절연막 및 상기 제 1 도전막을 패터닝함으로써, 플로팅 게이트 전극과 제어 게이트 전극을 형성하는 공정을 구비한 비휘발성 반도체 기억 장치의 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2001-00051779 | 2001-02-27 | ||
JP2001051779A JP4911826B2 (ja) | 2001-02-27 | 2001-02-27 | 不揮発性半導体記憶装置およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020070075A KR20020070075A (ko) | 2002-09-05 |
KR100404787B1 true KR100404787B1 (ko) | 2003-11-07 |
Family
ID=18912509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0061855A Expired - Fee Related KR100404787B1 (ko) | 2001-02-27 | 2001-10-08 | 비휘발성 반도체 기억 장치 및 그 제조 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6580117B2 (ko) |
JP (1) | JP4911826B2 (ko) |
KR (1) | KR100404787B1 (ko) |
TW (1) | TW522551B (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6809033B1 (en) * | 2001-11-07 | 2004-10-26 | Fasl, Llc | Innovative method of hard mask removal |
KR100426483B1 (ko) * | 2001-12-22 | 2004-04-14 | 주식회사 하이닉스반도체 | 플래쉬 메모리 셀의 제조 방법 |
US7064978B2 (en) * | 2002-07-05 | 2006-06-20 | Aplus Flash Technology, Inc. | Monolithic, combo nonvolatile memory allowing byte, page and block write with no disturb and divided-well in the cell array using a unified cell structure and technology with a new scheme of decoder and layout |
JP2004095886A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Ltd | 半導体装置及びその製造方法 |
JP3699956B2 (ja) * | 2002-11-29 | 2005-09-28 | 株式会社東芝 | 半導体装置の製造方法 |
US6773975B1 (en) * | 2002-12-20 | 2004-08-10 | Cypress Semiconductor Corporation | Formation of a shallow trench isolation structure in integrated circuits |
JP2004235313A (ja) * | 2003-01-29 | 2004-08-19 | Renesas Technology Corp | 半導体装置 |
JP4759944B2 (ja) * | 2004-07-07 | 2011-08-31 | ルネサスエレクトロニクス株式会社 | 不揮発性半導体記憶装置の製造方法 |
US7202125B2 (en) * | 2004-12-22 | 2007-04-10 | Sandisk Corporation | Low-voltage, multiple thin-gate oxide and low-resistance gate electrode |
JP4074292B2 (ja) | 2005-01-17 | 2008-04-09 | 株式会社東芝 | 半導体装置及びその製造方法 |
KR100766229B1 (ko) * | 2005-05-30 | 2007-10-10 | 주식회사 하이닉스반도체 | 플래시 메모리 소자의 제조 방법 |
US7981800B1 (en) | 2006-08-25 | 2011-07-19 | Cypress Semiconductor Corporation | Shallow trench isolation structures and methods for forming the same |
JP4843412B2 (ja) | 2006-08-28 | 2011-12-21 | 株式会社東芝 | 不揮発性半導体記憶装置 |
JP4836730B2 (ja) * | 2006-09-26 | 2011-12-14 | 株式会社東芝 | 半導体装置、およびその製造方法 |
KR101386430B1 (ko) * | 2007-10-02 | 2014-04-21 | 삼성전자주식회사 | 반도체 소자의 제조방법 |
TWI355087B (en) * | 2008-04-10 | 2011-12-21 | Nanya Technology Corp | Two bits u-shape memory structure and method of ma |
US8330547B2 (en) * | 2009-06-30 | 2012-12-11 | Qualcomm, Incorporated | Gain control linearity in an RF driver amplifier transmitter |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0287677A (ja) * | 1988-09-26 | 1990-03-28 | Nec Corp | 不揮発性mos半導体記憶装置 |
JP3602691B2 (ja) * | 1997-06-27 | 2004-12-15 | 株式会社東芝 | 不揮発性半導体記憶装置およびその製造方法 |
JP3867378B2 (ja) | 1997-12-09 | 2007-01-10 | ソニー株式会社 | 半導体不揮発性記憶装置の製造方法 |
US6333274B2 (en) * | 1998-03-31 | 2001-12-25 | Kabushiki Kaisha Toshiba | Method of manufacturing a semiconductor device including a seamless shallow trench isolation step |
US6245638B1 (en) * | 1998-08-03 | 2001-06-12 | Advanced Micro Devices | Trench and gate dielectric formation for semiconductor devices |
US6140208A (en) * | 1999-02-05 | 2000-10-31 | International Business Machines Corporation | Shallow trench isolation (STI) with bilayer of oxide-nitride for VLSI applications |
JP3833854B2 (ja) * | 1999-06-30 | 2006-10-18 | 株式会社東芝 | 不揮発性半導体記憶装置の製造方法 |
JP3651760B2 (ja) * | 1999-03-18 | 2005-05-25 | 株式会社東芝 | 半導体装置の製造方法 |
JP3875455B2 (ja) * | 1999-04-28 | 2007-01-31 | 株式会社東芝 | 半導体装置の製造方法 |
JP2000323565A (ja) * | 1999-05-13 | 2000-11-24 | Mitsubishi Electric Corp | 半導体装置の製造方法及び半導体装置 |
US6313011B1 (en) * | 1999-10-28 | 2001-11-06 | Koninklijke Philips Electronics N.V. (Kpenv) | Method for suppressing narrow width effects in CMOS technology |
-
2001
- 2001-02-27 JP JP2001051779A patent/JP4911826B2/ja not_active Expired - Fee Related
- 2001-08-06 US US09/921,913 patent/US6580117B2/en not_active Expired - Lifetime
- 2001-10-03 TW TW090124395A patent/TW522551B/zh not_active IP Right Cessation
- 2001-10-08 KR KR10-2001-0061855A patent/KR100404787B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2002252291A (ja) | 2002-09-06 |
US20020117706A1 (en) | 2002-08-29 |
TW522551B (en) | 2003-03-01 |
KR20020070075A (ko) | 2002-09-05 |
US6580117B2 (en) | 2003-06-17 |
JP4911826B2 (ja) | 2012-04-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100404787B1 (ko) | 비휘발성 반도체 기억 장치 및 그 제조 방법 | |
KR100296004B1 (ko) | 반도체장치및그제조방법 | |
JP4886219B2 (ja) | 半導体装置およびその製造方法 | |
JP2005093856A (ja) | 半導体装置の製造方法 | |
JPH0878533A (ja) | 半導体装置及びその製造方法 | |
JP2000040797A (ja) | 半導体素子を有する半導体構造体とその形成方法 | |
JP2865289B2 (ja) | フローティングゲート素子の製造方法 | |
KR100424241B1 (ko) | 비휘발성 반도체 기억 장치의 제조 방법 | |
US7365400B2 (en) | Semiconductor device and method for manufacturing the same | |
JPH1093088A (ja) | 自己整合接点をもつトランジスタの製造方法 | |
KR20020035748A (ko) | 반도체 장치 및 그 제조 방법 | |
US6350638B2 (en) | Method of forming complementary type conductive regions on a substrate | |
US5705440A (en) | Methods of fabricating integrated circuit field effect transistors having reduced-area device isolation regions | |
KR20030057282A (ko) | 반도체 장치 및 그 제조 방법 | |
KR20010059984A (ko) | 반도체소자의 제조방법 | |
JPH1012733A (ja) | 半導体装置およびその製造方法 | |
KR20000006376A (ko) | 반도체소자및그제조방법 | |
JPH11274486A (ja) | 半導体装置およびその製造方法 | |
JP2001189380A (ja) | 半導体装置の製造方法及び半導体装置 | |
JPH10270544A (ja) | 半導体装置およびその製造方法 | |
JP2003023115A (ja) | 不揮発性半導体記憶装置の製造方法及び不揮発性半導体記憶装置 | |
JPH11150266A (ja) | 半導体装置及びその製造方法 | |
KR100515075B1 (ko) | 반도체소자의 매립배선 형성방법 | |
JPH1126756A (ja) | 半導体装置の製造方法 | |
JP2005093832A (ja) | 半導体装置および半導体装置の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
PR1002 | Payment of registration fee |
Fee payment year number: 1 St.27 status event code: A-2-2-U10-U11-oth-PR1002 |
|
PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 St.27 status event code: A-5-5-R10-R13-asn-PN2301 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 4 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 5 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 6 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 7 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 8 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 9 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
FPAY | Annual fee payment | ||
PR1001 | Payment of annual fee |
Fee payment year number: 10 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
FPAY | Annual fee payment | ||
PR1001 | Payment of annual fee |
Fee payment year number: 11 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R14-asn-PN2301 |
|
R17-X000 | Change to representative recorded |
St.27 status event code: A-5-5-R10-R17-oth-X000 |
|
FPAY | Annual fee payment |
Payment date: 20141007 Year of fee payment: 12 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 12 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
FPAY | Annual fee payment |
Payment date: 20151001 Year of fee payment: 13 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 13 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Not in force date: 20161029 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE St.27 status event code: A-4-4-U10-U13-oth-PC1903 |
|
PC1903 | Unpaid annual fee |
Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20161029 St.27 status event code: N-4-6-H10-H13-oth-PC1903 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |