CN102044544B - 具有浮动栅的非易失性存储器及其形成方法 - Google Patents
具有浮动栅的非易失性存储器及其形成方法 Download PDFInfo
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- CN102044544B CN102044544B CN2009101970856A CN200910197085A CN102044544B CN 102044544 B CN102044544 B CN 102044544B CN 2009101970856 A CN2009101970856 A CN 2009101970856A CN 200910197085 A CN200910197085 A CN 200910197085A CN 102044544 B CN102044544 B CN 102044544B
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- Prior art keywords
- floating gate
- dielectric layer
- mound
- nonvolatile memory
- substrate
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Images
Classifications
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- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42324—Gate electrodes for transistors 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/401—Multistep manufacturing processes
- H01L29/4011—Multistep manufacturing processes for data storage electrodes
- H01L29/40114—Multistep manufacturing processes for data storage electrodes the electrodes comprising a conductor-insulator-conductor-insulator-semiconductor structure
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42324—Gate electrodes for transistors with a floating gate
- H01L29/42332—Gate electrodes for transistors with a floating gate with the floating gate formed by two or more non connected parts, e.g. multi-particles flating 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/517—Insulating materials associated therewith the insulating material comprising a metallic compound, e.g. metal oxide, metal silicate
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/518—Insulating materials associated therewith the insulating material containing nitrogen, e.g. nitride, oxynitride, nitrogen-doped material
-
- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101970856A CN102044544B (zh) | 2009-10-13 | 2009-10-13 | 具有浮动栅的非易失性存储器及其形成方法 |
US12/886,534 US8815680B2 (en) | 2009-10-13 | 2010-09-20 | Non-volatile memory having nano crystalline silicon hillocks floating gate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101970856A CN102044544B (zh) | 2009-10-13 | 2009-10-13 | 具有浮动栅的非易失性存储器及其形成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102044544A CN102044544A (zh) | 2011-05-04 |
CN102044544B true CN102044544B (zh) | 2012-12-05 |
Family
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Family Applications (1)
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CN2009101970856A Expired - Fee Related CN102044544B (zh) | 2009-10-13 | 2009-10-13 | 具有浮动栅的非易失性存储器及其形成方法 |
Country Status (2)
Country | Link |
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US (1) | US8815680B2 (zh) |
CN (1) | CN102044544B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6506095B2 (ja) * | 2015-05-07 | 2019-04-24 | エイブリック株式会社 | 半導体メモリ装置 |
CN107658302A (zh) * | 2016-07-25 | 2018-02-02 | 上海新昇半导体科技有限公司 | 一种存储器结构及其制备方法 |
CN106653589A (zh) * | 2016-12-16 | 2017-05-10 | 上海华力微电子有限公司 | 高压低热预算高k后退火工艺 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1466192A (zh) * | 2002-07-03 | 2004-01-07 | 旺宏电子股份有限公司 | 利用微晶硅膜作为浮置闸以促进快闪式存储器性能的方法 |
Family Cites Families (15)
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US4412900A (en) * | 1981-03-13 | 1983-11-01 | Hitachi, Ltd. | Method of manufacturing photosensors |
JP3951443B2 (ja) * | 1997-09-02 | 2007-08-01 | ソニー株式会社 | 不揮発性半導体記憶装置及びその書き込み方法 |
US6027569A (en) * | 1998-06-03 | 2000-02-22 | Seh America, Inc. | Gas injection systems for a LPCVD furnace |
US6259133B1 (en) * | 1999-02-11 | 2001-07-10 | Advanced Micro Devices, Inc. | Method for forming an integrated circuit memory cell and product thereof |
US6858547B2 (en) * | 2002-06-14 | 2005-02-22 | Applied Materials, Inc. | System and method for forming a gate dielectric |
US20040026682A1 (en) * | 2002-06-17 | 2004-02-12 | Hai Jiang | Nano-dot memory and fabricating same |
KR100579844B1 (ko) * | 2003-11-05 | 2006-05-12 | 동부일렉트로닉스 주식회사 | 비휘발성 메모리 소자 및 그 제조방법 |
KR100607173B1 (ko) * | 2004-02-20 | 2006-08-01 | 삼성전자주식회사 | 산화물 전하 저장층을 갖는 비휘발성 메모리 소자 |
EP1729331A4 (en) * | 2004-03-26 | 2008-10-15 | Nissin Electric Co Ltd | METHOD AND APPARATUS FOR FORMING SILICONE POINTS |
US20060043463A1 (en) * | 2004-09-01 | 2006-03-02 | Taiwan Semiconductor Manufacturing Company, Ltd. | Floating gate having enhanced charge retention |
WO2006137895A2 (en) * | 2004-09-30 | 2006-12-28 | The Trustees Of Boston College | Single crystal metal nanocrystals |
JP4541125B2 (ja) * | 2004-12-15 | 2010-09-08 | パナソニック株式会社 | 高誘電率ゲート絶縁膜を備えた電界効果トランジスタを有する半導体装置及びその製造方法 |
TWI278072B (en) * | 2005-12-28 | 2007-04-01 | Ind Tech Res Inst | Nano grain varied-resistance memory |
US8481386B2 (en) * | 2009-04-09 | 2013-07-09 | The Regents Of The University Of California | Nanocrystal memories and methods of forming the same |
US8446779B2 (en) * | 2009-08-21 | 2013-05-21 | Globalfoundries Singapore Pte. Ltd. | Non-volatile memory using pyramidal nanocrystals as electron storage elements |
-
2009
- 2009-10-13 CN CN2009101970856A patent/CN102044544B/zh not_active Expired - Fee Related
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2010
- 2010-09-20 US US12/886,534 patent/US8815680B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1466192A (zh) * | 2002-07-03 | 2004-01-07 | 旺宏电子股份有限公司 | 利用微晶硅膜作为浮置闸以促进快闪式存储器性能的方法 |
Also Published As
Publication number | Publication date |
---|---|
US8815680B2 (en) | 2014-08-26 |
US20110084328A1 (en) | 2011-04-14 |
CN102044544A (zh) | 2011-05-04 |
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