KR100695140B1 - 실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법 - Google Patents
실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법 Download PDFInfo
- Publication number
- KR100695140B1 KR100695140B1 KR1020050011733A KR20050011733A KR100695140B1 KR 100695140 B1 KR100695140 B1 KR 100695140B1 KR 1020050011733 A KR1020050011733 A KR 1020050011733A KR 20050011733 A KR20050011733 A KR 20050011733A KR 100695140 B1 KR100695140 B1 KR 100695140B1
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- South Korea
- Prior art keywords
- silicon
- oxide film
- memory device
- silicon rich
- oxide layer
- 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.)
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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]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/68—Floating-gate IGFETs
- H10D30/681—Floating-gate IGFETs having only two programming levels
- H10D30/682—Floating-gate IGFETs having only two programming levels programmed by injection of carriers through a conductive insulator, e.g. Poole-Frankel conduction
-
- 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]
- H10D30/68—Floating-gate IGFETs
- H10D30/6891—Floating-gate IGFETs characterised by the shapes, relative sizes or dispositions of the floating gate electrode
- H10D30/6893—Floating-gate IGFETs characterised by the shapes, relative sizes or dispositions of the floating gate electrode wherein the floating gate has multiple non-connected parts, e.g. multi-particle floating gate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/031—Manufacture or treatment of data-storage electrodes
- H10D64/035—Manufacture or treatment of data-storage electrodes comprising conductor-insulator-conductor-insulator-semiconductor structures
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/031—Manufacture or treatment of data-storage electrodes
- H10D64/037—Manufacture or treatment of data-storage electrodes comprising charge-trapping insulators
-
- 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
- H10D84/0135—Manufacturing their gate conductors
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- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
본 발명에서는 (가) 상기 반도체 기판 상에 게이트 구조체로 터널링 산화층 및 상기 터널링 산화층 상에 투입량의 비가 1.43:1 내지 1.57:1인 실렌(SiH4) 가스 및 산소(O2) 가스를 주입하여 SiO2보다 높은 실리콘 조성을 지닌 실리콘 산화막을 포함하는 플로팅 게이트를 형성시키는 단계;
(나) 상기 게이트 구조체의 양측부를 식각하여 상기 반도체 기판의 양측 표면을 노출시키는 단계; 및
(다) 상기 노출된 반도체 기판의 양측 표면에 도펀트를 도핑하여 소스 및 드레인을 형성시키는 단계;를 포함하는 실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법을 제공한다.
이하, 도면을 참조하여 본 발명의 실시예에 의한 실리콘의 함유량을 증가시킨 실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법에 대해 보다 상세히 설명하고자 한다.
Claims (9)
- 삭제
- 삭제
- 삭제
- 삭제
- (가) 반도체 기판 상에 게이트 구조체로 터널링 산화층 및 상기 터널링 산화층 상에 투입량의 비가 1.43:1 내지 1.57:1인 실렌(SiH4) 가스 및 산소(O2) 가스를 주입하여 SiO2보다 높은 실리콘 조성을 지닌 실리콘 산화막을 포함하는 플로팅 게이트를 형성시키는 단계;(나) 상기 게이트 구조체의 양측부를 식각하여 상기 반도체 기판의 양측 표면을 노출시키는 단계; 및(다) 상기 노출된 반도체 기판의 양측 표면에 도펀트를 도핑하여 소스 및 드레인을 형성시키는 단계;를 포함하는 것을 특징으로 하는 실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법.
- 삭제
- 삭제
- 제 5항에 있어서,상기 플로팅 게이트는 SiOx(1.0 < x < 1.6)을 포함하는 것을 특징으로 하는 실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법.
- 제 5항 또는 제 8항 중 어느 한 항에 있어서,상기 게이트 구조체는 터널링 산화층, 플로팅 게이트 및 콘츄롤 게이트를 포함하는 것을 특징으로 하는 실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050011733A KR100695140B1 (ko) | 2005-02-12 | 2005-02-12 | 실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법 |
US11/350,867 US20060180845A1 (en) | 2005-02-12 | 2006-02-10 | Memory device with silicon rich silicon oxide layer and method of manufacturing the same |
CNA2006100042419A CN1828945A (zh) | 2005-02-12 | 2006-02-13 | 具有富硅氧化硅层的存储器件及其制造方法 |
JP2006035850A JP2006222434A (ja) | 2005-02-12 | 2006-02-13 | シリコンリッチ酸化ケイ素膜を備えるメモリ素子の構造及びその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050011733A KR100695140B1 (ko) | 2005-02-12 | 2005-02-12 | 실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060091020A KR20060091020A (ko) | 2006-08-17 |
KR100695140B1 true KR100695140B1 (ko) | 2007-03-14 |
Family
ID=36814795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050011733A Expired - Fee Related KR100695140B1 (ko) | 2005-02-12 | 2005-02-12 | 실리콘 리치 산화막을 포함하는 메모리 소자의 제조 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060180845A1 (ko) |
JP (1) | JP2006222434A (ko) |
KR (1) | KR100695140B1 (ko) |
CN (1) | CN1828945A (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007043147A (ja) * | 2005-07-29 | 2007-02-15 | Samsung Electronics Co Ltd | 原子層蒸着工程を用いたシリコンリッチナノクリスタル構造物の形成方法及びこれを用いた不揮発性半導体装置の製造方法 |
JP2008182035A (ja) * | 2007-01-24 | 2008-08-07 | Toshiba Corp | 半導体記憶装置およびその製造方法 |
US9794141B2 (en) | 2013-03-14 | 2017-10-17 | Arista Networks, Inc. | System and method for determining a cause of network congestion |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219748A (ja) * | 1982-06-15 | 1983-12-21 | Toshiba Corp | 半導体装置 |
US5557122A (en) * | 1995-05-12 | 1996-09-17 | Alliance Semiconductors Corporation | Semiconductor electrode having improved grain structure and oxide growth properties |
US5837585A (en) * | 1996-07-23 | 1998-11-17 | Vanguard International Semiconductor Corporation | Method of fabricating flash memory cell |
JP2001085545A (ja) * | 1999-09-16 | 2001-03-30 | Sony Corp | メモリ素子の製造方法 |
JP2002184873A (ja) * | 2000-10-03 | 2002-06-28 | Sony Corp | 不揮発性半導体記憶装置及びその製造方法 |
JP5068402B2 (ja) * | 2000-12-28 | 2012-11-07 | 公益財団法人国際科学振興財団 | 誘電体膜およびその形成方法、半導体装置、不揮発性半導体メモリ装置、および半導体装置の製造方法 |
TW594939B (en) * | 2003-06-26 | 2004-06-21 | Nanya Technology Corp | Read-only memory cell and a production method thereof |
DE10340202A1 (de) * | 2003-08-28 | 2005-04-14 | IHP GmbH - Innovations for High Performance Microelectronics/Institut für innovative Mikroelektronik | Herstellungsverfahren für ein Halbleiterbauelement mit Praseodymoxid-Dielektrikum |
US7176105B2 (en) * | 2004-06-01 | 2007-02-13 | Applied Materials, Inc. | Dielectric gap fill with oxide selectively deposited over silicon liner |
JP4928773B2 (ja) * | 2004-12-10 | 2012-05-09 | 株式会社東芝 | 半導体装置 |
-
2005
- 2005-02-12 KR KR1020050011733A patent/KR100695140B1/ko not_active Expired - Fee Related
-
2006
- 2006-02-10 US US11/350,867 patent/US20060180845A1/en not_active Abandoned
- 2006-02-13 JP JP2006035850A patent/JP2006222434A/ja active Pending
- 2006-02-13 CN CNA2006100042419A patent/CN1828945A/zh active Pending
Non-Patent Citations (1)
Title |
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미국 특허공보 제3649884호 * |
Also Published As
Publication number | Publication date |
---|---|
KR20060091020A (ko) | 2006-08-17 |
JP2006222434A (ja) | 2006-08-24 |
CN1828945A (zh) | 2006-09-06 |
US20060180845A1 (en) | 2006-08-17 |
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