KR100607785B1 - 스플릿 게이트 플래시 이이피롬의 제조방법 - Google Patents
스플릿 게이트 플래시 이이피롬의 제조방법 Download PDFInfo
- Publication number
- KR100607785B1 KR100607785B1 KR1020040118276A KR20040118276A KR100607785B1 KR 100607785 B1 KR100607785 B1 KR 100607785B1 KR 1020040118276 A KR1020040118276 A KR 1020040118276A KR 20040118276 A KR20040118276 A KR 20040118276A KR 100607785 B1 KR100607785 B1 KR 100607785B1
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- South Korea
- Prior art keywords
- photoresist
- layer
- etching
- control gate
- oxide layer
- Prior art date
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- Expired - Fee Related
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/751—Insulated-gate field-effect transistors [IGFET] having composition variations in the channel regions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/149—Source or drain regions of field-effect devices
- H10D62/151—Source or drain regions of field-effect devices of IGFETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0167—Manufacturing their channels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0188—Manufacturing their isolation regions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/201—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates the substrates comprising an insulating layer on a semiconductor body, e.g. SOI
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/938—Lattice strain control or utilization
Landscapes
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (1)
- 스플릿 게이트 플래시 EEPROM 제조 방법에 있어서,트렌치 소자 분리된 기판 상에 제1차 유전체막을 증착하는 단계;상기 제1차 유전체막 상부에 제1차 포토레지스트를 도포하고 패터닝하는 단계;상기 제1차 포토레지스트를 마스크로 하여 상기 제1차 유전체막을 식각하는 단계;상기 제1차 포토레지스트를 제거하는 단계;상기 제1차 포토레지스트가 제거된 기판을 클린 액티브 피트(Pit) 반응성이온식각법으로 식각하고 제1차 세정하는 단계;상기 식각된 트렌치에 터널 산화막을 형성하는 단계;상기 터널 산화막 상에 플로팅 게이트막을 증착하고 에치백하는 단계;상기 플로팅 게이트막 상부에 콘트롤 게이트 산화막을 형성하는 단계;상기 콘트롤 게이트 산화막 상부에 콘트롤 게이트막을 증착하고 에치백하는 단계;상기 콘트롤 게이트막을 산화시키는 단계;상기 산화된 기판 상에 제2차 포토레지스트를 도포하고 패터닝하는 단계;상기 제2차 포토레지스트를 마스크로 하여 상기 콘트롤 게이트막과 콘트롤 게이트 산화막을 식각하고 상기 플로팅 게이트막 및 상기 터널 산화막을 식각하고 제2차 세정하는 단계;상기 제2차 세정된 트렌치 영역에 버퍼 유전체막을 형성하고 에치백하는 단계;상기 트렌치 영역 하부에 소스 정션을 형성하는 단계;상기 트렌치 영역에 소스 콘택 전극막을 증착하는 단계;상기 증착된 소스 콘택 전극막 상부에 제3차 포토레지스트를 도포하고 패터닝하는 단계;상기 제3차 포토레지스트를 마스크로 하여 상기 소스 콘택 전극막을 식각하는 단계;상기 제3차 포토레지스트를 제거하고 제3차 세정하는 단계;상기 제1차 유전체막을 제거하는 단계;상기 제1차 유전체막이 제거된 기판을 산화시키는 단계; 및드레인 정션을 형성하는 단계로 이루어짐을 특징으로 하는 스플릿 게이트 플래시 EEPROM 제조 방법.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040118276A KR100607785B1 (ko) | 2004-12-31 | 2004-12-31 | 스플릿 게이트 플래시 이이피롬의 제조방법 |
US11/293,614 US7300846B2 (en) | 2004-12-31 | 2005-12-02 | Semiconductor device and method for manufacturing the same |
JP2005352408A JP4486032B2 (ja) | 2004-12-31 | 2005-12-06 | メモリ素子の製造方法 |
CNB2005101301789A CN100517760C (zh) | 2004-12-31 | 2005-12-19 | 存储器件及其制造方法 |
DE102005061199A DE102005061199B4 (de) | 2004-12-31 | 2005-12-21 | Verfahren zur Herstellung eines Speicherbausteins |
US11/319,912 US7598563B2 (en) | 2004-12-31 | 2005-12-27 | Memory device and method for manufacturing the same |
US11/975,167 US7838934B2 (en) | 2004-12-31 | 2007-10-17 | Semiconductor device and method for manufacturing the same |
US12/549,113 US7883966B2 (en) | 2004-12-31 | 2009-08-27 | Memory device and method for manufacturing the same |
US12/548,988 US7923326B2 (en) | 2004-12-31 | 2009-08-27 | Memory device and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040118276A KR100607785B1 (ko) | 2004-12-31 | 2004-12-31 | 스플릿 게이트 플래시 이이피롬의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060079013A KR20060079013A (ko) | 2006-07-05 |
KR100607785B1 true KR100607785B1 (ko) | 2006-08-02 |
Family
ID=36599579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040118276A Expired - Fee Related KR100607785B1 (ko) | 2004-12-31 | 2004-12-31 | 스플릿 게이트 플래시 이이피롬의 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (5) | US7300846B2 (ko) |
JP (1) | JP4486032B2 (ko) |
KR (1) | KR100607785B1 (ko) |
CN (1) | CN100517760C (ko) |
DE (1) | DE102005061199B4 (ko) |
Families Citing this family (23)
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US6815758B1 (en) * | 2003-08-22 | 2004-11-09 | Powerchip Semiconductor Corp. | Flash memory cell |
KR20050035678A (ko) * | 2003-10-14 | 2005-04-19 | 엘지전자 주식회사 | 광디스크 장치의 부가 데이터 재생방법 및 장치와, 이를위한 광디스크 |
KR100607785B1 (ko) * | 2004-12-31 | 2006-08-02 | 동부일렉트로닉스 주식회사 | 스플릿 게이트 플래시 이이피롬의 제조방법 |
KR100620223B1 (ko) * | 2004-12-31 | 2006-09-08 | 동부일렉트로닉스 주식회사 | 스플릿 게이트 플래쉬 이이피롬의 제조방법 |
KR100741923B1 (ko) * | 2005-10-12 | 2007-07-23 | 동부일렉트로닉스 주식회사 | 반도체 소자 및 그 제조방법 |
US7772060B2 (en) * | 2006-06-21 | 2010-08-10 | Texas Instruments Deutschland Gmbh | Integrated SiGe NMOS and PMOS transistors |
JP2008218899A (ja) * | 2007-03-07 | 2008-09-18 | Toshiba Corp | 半導体装置及びその製造方法 |
US7442614B1 (en) * | 2008-03-21 | 2008-10-28 | International Business Machines Corporation | Silicon on insulator devices having body-tied-to-source and methods of making |
KR100958798B1 (ko) * | 2008-04-04 | 2010-05-24 | 주식회사 하이닉스반도체 | 반도체 소자 제조 방법 |
KR100976064B1 (ko) * | 2008-07-23 | 2010-08-16 | 한양대학교 산학협력단 | 분리된 게이트를 가지는 2비트 멀티레벨 플래시 메모리 |
CN101986435B (zh) * | 2010-06-25 | 2012-12-19 | 中国科学院上海微系统与信息技术研究所 | 防止浮体及自加热效应的mos器件结构的制造方法 |
US8377813B2 (en) * | 2010-08-27 | 2013-02-19 | Rexchip Electronics Corporation | Split word line fabrication process |
CN102456403B (zh) | 2010-10-22 | 2014-11-12 | 北京大学 | 利用分裂槽栅快闪存储器实现四位存储的方法 |
CN102543697B (zh) * | 2010-12-22 | 2014-02-26 | 中芯国际集成电路制造(上海)有限公司 | 制作电擦除可编程存储器中的隧道氧化层窗口的方法 |
CN102403233B (zh) * | 2011-12-12 | 2014-06-11 | 复旦大学 | 垂直沟道的隧穿晶体管的制造方法 |
JP2014063931A (ja) * | 2012-09-21 | 2014-04-10 | Toshiba Corp | 電力用半導体素子 |
US9178143B2 (en) | 2013-07-29 | 2015-11-03 | Industrial Technology Research Institute | Resistive memory structure |
FR3011678B1 (fr) * | 2013-10-07 | 2017-01-27 | St Microelectronics Crolles 2 Sas | Procede de relaxation des contraites mecaniques transversales dans la region active d'un transistor mos, et circuit integre correspondant |
US9171855B2 (en) * | 2013-12-30 | 2015-10-27 | Globalfoundries Singapore Pte. Ltd. | Three-dimensional non-volatile memory |
CN104916544B (zh) * | 2015-04-17 | 2017-09-05 | 苏州东微半导体有限公司 | 一种沟槽式分栅功率器件的制造方法 |
CN104952718B (zh) * | 2015-06-12 | 2017-09-05 | 苏州东微半导体有限公司 | 一种分栅功率器件的制造方法 |
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KR100607785B1 (ko) * | 2004-12-31 | 2006-08-02 | 동부일렉트로닉스 주식회사 | 스플릿 게이트 플래시 이이피롬의 제조방법 |
-
2004
- 2004-12-31 KR KR1020040118276A patent/KR100607785B1/ko not_active Expired - Fee Related
-
2005
- 2005-12-02 US US11/293,614 patent/US7300846B2/en active Active
- 2005-12-06 JP JP2005352408A patent/JP4486032B2/ja not_active Expired - Fee Related
- 2005-12-19 CN CNB2005101301789A patent/CN100517760C/zh not_active Expired - Fee Related
- 2005-12-21 DE DE102005061199A patent/DE102005061199B4/de not_active Expired - Fee Related
- 2005-12-27 US US11/319,912 patent/US7598563B2/en not_active Expired - Fee Related
-
2007
- 2007-10-17 US US11/975,167 patent/US7838934B2/en not_active Expired - Fee Related
-
2009
- 2009-08-27 US US12/548,988 patent/US7923326B2/en not_active Expired - Fee Related
- 2009-08-27 US US12/549,113 patent/US7883966B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20060145267A1 (en) | 2006-07-06 |
DE102005061199A1 (de) | 2006-07-13 |
DE102005061199B4 (de) | 2010-08-19 |
US7883966B2 (en) | 2011-02-08 |
JP4486032B2 (ja) | 2010-06-23 |
US20090317952A1 (en) | 2009-12-24 |
US20080042124A1 (en) | 2008-02-21 |
CN1812130A (zh) | 2006-08-02 |
KR20060079013A (ko) | 2006-07-05 |
US20060146640A1 (en) | 2006-07-06 |
US7300846B2 (en) | 2007-11-27 |
CN100517760C (zh) | 2009-07-22 |
US20090317953A1 (en) | 2009-12-24 |
JP2006191004A (ja) | 2006-07-20 |
US7923326B2 (en) | 2011-04-12 |
US7598563B2 (en) | 2009-10-06 |
US7838934B2 (en) | 2010-11-23 |
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