CN102201411B - 叠栅非易失性快闪存储单元、存储器件及其制造方法 - Google Patents
叠栅非易失性快闪存储单元、存储器件及其制造方法 Download PDFInfo
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- CN102201411B CN102201411B CN2010101357003A CN201010135700A CN102201411B CN 102201411 B CN102201411 B CN 102201411B CN 2010101357003 A CN2010101357003 A CN 2010101357003A CN 201010135700 A CN201010135700 A CN 201010135700A CN 102201411 B CN102201411 B CN 102201411B
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- dielectric layer
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- flash memory
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000003860 storage Methods 0.000 title description 7
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- 230000015654 memory Effects 0.000 claims abstract description 58
- 239000011229 interlayer Substances 0.000 claims abstract description 47
- 239000004065 semiconductor Substances 0.000 claims description 40
- 230000004888 barrier function Effects 0.000 claims description 32
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 29
- 229920005591 polysilicon Polymers 0.000 claims description 28
- 239000000758 substrate Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 25
- 238000005530 etching Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 11
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000002019 doping agent Substances 0.000 claims 6
- 238000002955 isolation Methods 0.000 description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 230000005641 tunneling Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000002784 hot electron Substances 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000005380 borophosphosilicate glass Substances 0.000 description 3
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- 230000004048 modification Effects 0.000 description 3
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- 238000001020 plasma etching Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000004380 ashing Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- -1 phosphorus ions Chemical class 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H10B41/40—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit 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
- H10B41/40—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region
- H10B41/42—Simultaneous manufacture of periphery and memory cells
-
- 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]
- H10D30/0411—Manufacture or treatment of FETs having insulated gates [IGFET] of FETs having floating gates
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (16)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101357003A CN102201411B (zh) | 2010-03-25 | 2010-03-25 | 叠栅非易失性快闪存储单元、存储器件及其制造方法 |
PCT/CN2011/070634 WO2011116643A1 (zh) | 2010-03-25 | 2011-01-26 | 叠栅非易失性快闪存储单元、存储器件及其制造方法 |
US13/637,022 US20130221421A1 (en) | 2010-03-25 | 2011-01-26 | Stacked-gate non-volatile flash memory cell, memory device and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101357003A CN102201411B (zh) | 2010-03-25 | 2010-03-25 | 叠栅非易失性快闪存储单元、存储器件及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102201411A CN102201411A (zh) | 2011-09-28 |
CN102201411B true CN102201411B (zh) | 2013-04-03 |
Family
ID=44661968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010101357003A Active CN102201411B (zh) | 2010-03-25 | 2010-03-25 | 叠栅非易失性快闪存储单元、存储器件及其制造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20130221421A1 (zh) |
CN (1) | CN102201411B (zh) |
WO (1) | WO2011116643A1 (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1610100A (zh) * | 2003-10-22 | 2005-04-27 | 海力士半导体有限公司 | 非易失性存储装置的制造方法 |
CN101320735A (zh) * | 2007-06-08 | 2008-12-10 | 中芯国际集成电路制造(上海)有限公司 | 一种闪速存储器及其制作方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9309327D0 (en) * | 1993-05-06 | 1993-06-23 | Smith Charles G | Bi-stable memory element |
US6534364B1 (en) * | 1994-12-05 | 2003-03-18 | Texas Instruments Incorporated | Tunnel diode layout for an EEPROM cell for protecting the tunnel diode region |
TW354682U (en) * | 1998-01-12 | 1999-03-11 | Worldwide Semiconductor Mfg | Fast flash and erasable RAM |
US6054745A (en) * | 1999-01-04 | 2000-04-25 | International Business Machines Corporation | Nonvolatile memory cell using microelectromechanical device |
EP1159758A1 (en) * | 1999-03-18 | 2001-12-05 | Cavendish Kinetics Limited | Flash memory cell having a flexible element |
KR100543938B1 (ko) * | 2003-08-22 | 2006-01-23 | 주식회사 하이닉스반도체 | 불휘발성 다이나믹 랜덤 액세스 메모리 구동 회로 및 방법 |
CN100547794C (zh) * | 2005-06-22 | 2009-10-07 | 松下电器产业株式会社 | 机电存储器、使用其的电路、和机电存储器驱动方法 |
US20080277718A1 (en) * | 2006-11-30 | 2008-11-13 | Mihai Adrian Ionescu | 1T MEMS scalable memory cell |
JP2009122244A (ja) * | 2007-11-13 | 2009-06-04 | Mitsubishi Electric Corp | 薄膜トランジスタアレイ基板の製造方法、及び表示装置 |
-
2010
- 2010-03-25 CN CN2010101357003A patent/CN102201411B/zh active Active
-
2011
- 2011-01-26 WO PCT/CN2011/070634 patent/WO2011116643A1/zh active Application Filing
- 2011-01-26 US US13/637,022 patent/US20130221421A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1610100A (zh) * | 2003-10-22 | 2005-04-27 | 海力士半导体有限公司 | 非易失性存储装置的制造方法 |
CN101320735A (zh) * | 2007-06-08 | 2008-12-10 | 中芯国际集成电路制造(上海)有限公司 | 一种闪速存储器及其制作方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2011116643A1 (zh) | 2011-09-29 |
CN102201411A (zh) | 2011-09-28 |
US20130221421A1 (en) | 2013-08-29 |
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Owner name: SHANGHAI LEXVU OPTO MIRCOELECTRICS TECHNOLOGY CO., Free format text: FORMER OWNER: JIANGSU LIHENG ELECTRONIC CO., LTD. Effective date: 20130115 |
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Free format text: CORRECT: ADDRESS; FROM: 211009 ZHENJIANG, JIANGSU PROVINCE TO: 201203 PUDONG NEW AREA, SHANGHAI |
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Effective date of registration: 20130115 Address after: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park long East Road No. 3000 Building No. 5 room 501B Applicant after: Shanghai Lexvu Opto Mircoelectrics Technology Co., Ltd. Address before: 211009 Zhenjiang hi tech Industrial Development Zone, Jiangsu Province, No. twelve, No. 211, room 668 Applicant before: Jiangsu Liheng Electronic Co., Ltd. Effective date of registration: 20130115 Address after: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park long East Road No. 3000 Building No. 5 room 501B Applicant after: Shanghai Lexvu Opto Mircoelectrics Technology Co., Ltd. Address before: 211009 Zhenjiang hi tech Industrial Development Zone, Jiangsu Province, No. twelve, No. 211, room 668 Applicant before: Jiangsu Liheng Electronic Co., Ltd. |
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Effective date of registration: 20160405 Address after: 710075, arc building, No. 60, West Avenue, new industrial park, hi tech Zone, Shaanxi, Xi'an, 204 Patentee after: Xi'an Yisheng Photoelectric Technology Co., Ltd. Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park long East Road No. 3000 Building No. 5 room 501B Patentee before: Shanghai Lexvu Opto Mircoelectrics Technology Co., Ltd. Effective date of registration: 20160405 Address after: 710075, arc building, No. 60, West Avenue, new industrial park, hi tech Zone, Shaanxi, Xi'an, 204 Patentee after: Xi'an Yisheng Photoelectric Technology Co., Ltd. Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park long East Road No. 3000 Building No. 5 room 501B Patentee before: Shanghai Lexvu Opto Mircoelectrics Technology Co., Ltd. |
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Effective date of registration: 20200426 Address after: 315803 3 buildings, 4 buildings and 5 buildings, 335 Anju Road, Xiaogang street, Beilun District, Ningbo, Zhejiang. Patentee after: China core integrated circuit (Ningbo) Co., Ltd Address before: 710075, arc building, No. 60, West Avenue, new industrial park, hi tech Zone, Shaanxi, Xi'an, 204 Patentee before: Xi'an Yisheng Photoelectric Technology Co., Ltd. |