CN102088001B - 快闪存储器及其制作方法 - Google Patents
快闪存储器及其制作方法 Download PDFInfo
- Publication number
- CN102088001B CN102088001B CN200910199993.9A CN200910199993A CN102088001B CN 102088001 B CN102088001 B CN 102088001B CN 200910199993 A CN200910199993 A CN 200910199993A CN 102088001 B CN102088001 B CN 102088001B
- Authority
- CN
- China
- Prior art keywords
- grid
- dielectric layer
- transistor
- gate
- selection
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000005530 etching Methods 0.000 claims abstract description 16
- 238000011049 filling Methods 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 12
- 229920005591 polysilicon Polymers 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 8
- 238000001312 dry etching Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 4
- 239000011799 hole material Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000000059 patterning Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 7
- 238000001259 photo etching Methods 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- SJHPCNCNNSSLPL-CSKARUKUSA-N (4e)-4-(ethoxymethylidene)-2-phenyl-1,3-oxazol-5-one Chemical compound O1C(=O)C(=C/OCC)\N=C1C1=CC=CC=C1 SJHPCNCNNSSLPL-CSKARUKUSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- -1 inferior boron Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 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
- 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
- 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
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the 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
Landscapes
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910199993.9A CN102088001B (zh) | 2009-12-04 | 2009-12-04 | 快闪存储器及其制作方法 |
US12/959,279 US8536637B2 (en) | 2009-12-04 | 2010-12-02 | Array architecture for embedded flash memory devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910199993.9A CN102088001B (zh) | 2009-12-04 | 2009-12-04 | 快闪存储器及其制作方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102088001A CN102088001A (zh) | 2011-06-08 |
CN102088001B true CN102088001B (zh) | 2013-10-09 |
Family
ID=44099722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910199993.9A Expired - Fee Related CN102088001B (zh) | 2009-12-04 | 2009-12-04 | 快闪存储器及其制作方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8536637B2 (zh) |
CN (1) | CN102088001B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103545181B (zh) * | 2012-07-11 | 2017-06-16 | 中芯国际集成电路制造(上海)有限公司 | 一种采用虚设栅极制造半导体器件的方法 |
CN102945832B (zh) * | 2012-11-20 | 2016-08-17 | 上海华虹宏力半导体制造有限公司 | 闪存器件的形成方法 |
CN104465523B (zh) * | 2013-09-24 | 2017-08-25 | 中芯国际集成电路制造(北京)有限公司 | 闪存存储器的制造方法 |
CN105097703B (zh) * | 2014-04-28 | 2019-02-01 | 中芯国际集成电路制造(上海)有限公司 | 一种制作半导体器件的方法 |
CN108780796B (zh) * | 2017-10-25 | 2023-05-30 | 成都锐成芯微科技股份有限公司 | 新型非挥发性存储器及其制造方法 |
CN112786602B (zh) * | 2019-11-06 | 2022-08-26 | 成都锐成芯微科技股份有限公司 | 单层多晶硅非易失性存储单元及其存储器 |
CN114709216B (zh) * | 2022-06-06 | 2022-09-02 | 广州粤芯半导体技术有限公司 | 一种pFlash结构及其制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100192551B1 (ko) * | 1996-05-16 | 1999-06-15 | 구본준 | 반도체 메모리 소자 및 그의 제조방법 |
US6037223A (en) * | 1998-10-23 | 2000-03-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Stack gate flash memory cell featuring symmetric self aligned contact structures |
US6507063B2 (en) * | 2000-04-17 | 2003-01-14 | International Business Machines Corporation | Poly-poly/MOS capacitor having a gate encapsulating first electrode layer |
US6885586B2 (en) * | 2002-09-19 | 2005-04-26 | Actrans System Inc. | Self-aligned split-gate NAND flash memory and fabrication process |
ITTO20021119A1 (it) * | 2002-12-24 | 2004-06-25 | St Microelectronics Srl | Dispositivo mos e procedimento di fabbricazione di |
KR100517560B1 (ko) | 2003-07-14 | 2005-09-28 | 삼성전자주식회사 | 선택트랜지스터를 갖는 이이피롬 소자 및 그 제조방법 |
US20090273015A1 (en) * | 2008-04-30 | 2009-11-05 | Atmel Corporation | Non-volatile memory cell |
-
2009
- 2009-12-04 CN CN200910199993.9A patent/CN102088001B/zh not_active Expired - Fee Related
-
2010
- 2010-12-02 US US12/959,279 patent/US8536637B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US8536637B2 (en) | 2013-09-17 |
CN102088001A (zh) | 2011-06-08 |
US20110298032A1 (en) | 2011-12-08 |
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Owner name: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING Effective date: 20121120 |
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Effective date of registration: 20121120 Address after: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Applicant after: Semiconductor Manufacturing International (Shanghai) Corporation Applicant after: Semiconductor Manufacturing International (Beijing) Corporation Address before: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Applicant before: Semiconductor Manufacturing International (Shanghai) Corporation |
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