JP2005012191A - Eepromセル構造及びその製造方法 - Google Patents
Eepromセル構造及びその製造方法 Download PDFInfo
- Publication number
- JP2005012191A JP2005012191A JP2004150136A JP2004150136A JP2005012191A JP 2005012191 A JP2005012191 A JP 2005012191A JP 2004150136 A JP2004150136 A JP 2004150136A JP 2004150136 A JP2004150136 A JP 2004150136A JP 2005012191 A JP2005012191 A JP 2005012191A
- Authority
- JP
- Japan
- Prior art keywords
- region
- gate dielectric
- cell structure
- eeprom cell
- tunnel
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 37
- 239000004065 semiconductor Substances 0.000 claims abstract description 27
- 239000003989 dielectric material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 9
- 229920005591 polysilicon Polymers 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 11
- 230000007423 decrease Effects 0.000 description 8
- 239000002019 doping agent Substances 0.000 description 8
- 230000003247 decreasing effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000005468 ion implantation Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 229910052785 arsenic Inorganic materials 0.000 description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 125000001475 halogen functional group Chemical group 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
Images
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
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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 specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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 specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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 specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/7841—Field effect transistors with field effect produced by an insulated gate with floating body, e.g. programmable transistors
-
- 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
- H10B41/35—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region with a cell select transistor, e.g. NAND
-
- 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
Landscapes
- 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)
- Semiconductor Memories (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20030031910 | 2003-05-20 | ||
KR1020030060763A KR20040100813A (ko) | 2003-05-20 | 2003-09-01 | 메모리 게이트 산화막의 두께가 부분적으로 다른 이이피롬소자 및 그 제조방법 |
US10/834,226 US20040232476A1 (en) | 2003-05-20 | 2004-04-29 | EEPROM cell structures having non-uniform channel-dielectric thickness and methods of making the same |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005012191A true JP2005012191A (ja) | 2005-01-13 |
Family
ID=33424824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004150136A Pending JP2005012191A (ja) | 2003-05-20 | 2004-05-20 | Eepromセル構造及びその製造方法 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2005012191A (fr) |
KR (1) | KR100604850B1 (fr) |
CN (1) | CN100401521C (fr) |
DE (1) | DE102004025976B4 (fr) |
FR (1) | FR2855325B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7700993B2 (en) * | 2007-11-05 | 2010-04-20 | International Business Machines Corporation | CMOS EPROM and EEPROM devices and programmable CMOS inverters |
WO2009122560A1 (fr) * | 2008-03-31 | 2009-10-08 | 富士通マイクロエレクトロニクス株式会社 | Dispositif à semi-conducteurs |
CN106972021B (zh) | 2016-01-12 | 2019-12-13 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体器件及其制作方法、电子装置 |
CN106206748B (zh) * | 2016-08-29 | 2020-02-07 | 上海华虹宏力半导体制造有限公司 | Sonos器件及其制造方法 |
CN107785274A (zh) * | 2017-11-09 | 2018-03-09 | 上海华力微电子有限公司 | 一种提高闪存编程效率的方法 |
US11641739B2 (en) * | 2020-06-01 | 2023-05-02 | Globalfoundries Singapore Pte. Ltd. | Semiconductor non-volatile memory devices |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59112657A (ja) * | 1982-09-30 | 1984-06-29 | フエアチアイルド・カメラ・アンド・インストルメント・コ−ポレ−シヨン | 書込可能なリ−ドオンリ−メモリ |
JPS61194877A (ja) * | 1985-02-25 | 1986-08-29 | Nec Corp | 絶縁ゲ−ト型不揮発性半導体メモリ |
JPH05275707A (ja) * | 1992-03-30 | 1993-10-22 | Toshiba Corp | 不揮発性半導体記憶装置の製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH633123A5 (en) * | 1979-08-24 | 1982-11-15 | Centre Electron Horloger | Electrically reprogrammable non-volatile memory element |
JPS5857750A (ja) * | 1981-10-01 | 1983-04-06 | Seiko Instr & Electronics Ltd | 不揮発性半導体メモリ |
JPS58130571A (ja) * | 1982-01-29 | 1983-08-04 | Hitachi Ltd | 半導体装置 |
JPS61222175A (ja) * | 1985-03-01 | 1986-10-02 | Fujitsu Ltd | 半導体記憶装置の製造方法 |
JPH02277269A (ja) * | 1989-04-19 | 1990-11-13 | Matsushita Electron Corp | 不揮発性メモリ装置の製造方法 |
JPH088314B2 (ja) * | 1989-10-11 | 1996-01-29 | 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 |
JP3124334B2 (ja) * | 1991-10-03 | 2001-01-15 | 株式会社東芝 | 半導体記憶装置およびその製造方法 |
KR940009644B1 (ko) * | 1991-11-19 | 1994-10-15 | 삼성전자 주식회사 | 불휘발성 반도체메모리장치 및 그 제조방법 |
DE19614011C2 (de) * | 1996-04-09 | 2002-06-13 | Infineon Technologies Ag | Halbleiterbauelement, bei dem die Tunnelgateelektrode und die Kanalgateelektrode an der Grenzfläche zum Tunneldielektrikum bzw. Gatedielektrikum durch eine Isolationsstruktur unterbrochen sind |
KR100311971B1 (ko) * | 1998-12-23 | 2001-12-28 | 윤종용 | 비휘발성메모리반도체소자제조방법 |
DE19983274B4 (de) * | 1999-04-01 | 2004-10-28 | Asahi Kasei Microsystems Co., Ltd. | Verfahren zum Herstellen eines nichtflüchtigen Halbleiterspeicherbauteils |
-
2004
- 2004-05-11 KR KR1020040033074A patent/KR100604850B1/ko active IP Right Grant
- 2004-05-18 DE DE102004025976A patent/DE102004025976B4/de not_active Expired - Fee Related
- 2004-05-19 FR FR0405487A patent/FR2855325B1/fr not_active Expired - Fee Related
- 2004-05-20 JP JP2004150136A patent/JP2005012191A/ja active Pending
- 2004-05-20 CN CNB2004100631378A patent/CN100401521C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59112657A (ja) * | 1982-09-30 | 1984-06-29 | フエアチアイルド・カメラ・アンド・インストルメント・コ−ポレ−シヨン | 書込可能なリ−ドオンリ−メモリ |
JPS61194877A (ja) * | 1985-02-25 | 1986-08-29 | Nec Corp | 絶縁ゲ−ト型不揮発性半導体メモリ |
JPH05275707A (ja) * | 1992-03-30 | 1993-10-22 | Toshiba Corp | 不揮発性半導体記憶装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
FR2855325A1 (fr) | 2004-11-26 |
DE102004025976B4 (de) | 2011-04-28 |
CN100401521C (zh) | 2008-07-09 |
FR2855325B1 (fr) | 2008-12-05 |
KR20040100909A (ko) | 2004-12-02 |
CN1599071A (zh) | 2005-03-23 |
DE102004025976A1 (de) | 2004-12-16 |
KR100604850B1 (ko) | 2006-07-31 |
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Legal Events
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