CN1302555C - 非易失性半导体存储单元结构及其制作方法 - Google Patents
非易失性半导体存储单元结构及其制作方法 Download PDFInfo
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- CN1302555C CN1302555C CNB01134833XA CN01134833A CN1302555C CN 1302555 C CN1302555 C CN 1302555C CN B01134833X A CNB01134833X A CN B01134833XA CN 01134833 A CN01134833 A CN 01134833A CN 1302555 C CN1302555 C CN 1302555C
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- Prior art keywords
- type trap
- type
- dielectric layer
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- doped region
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims description 13
- 238000003860 storage Methods 0.000 title abstract description 4
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- 230000005264 electron capture Effects 0.000 claims description 22
- 239000002019 doping agent Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 13
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 10
- 238000005468 ion implantation Methods 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims 7
- 150000002500 ions Chemical class 0.000 description 13
- 238000009792 diffusion process Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000000059 patterning Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000009432 framing Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000547 structure data Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/30—EEPROM devices comprising charge-trapping gate insulators 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
- H01L29/66—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
- H01L29/7884—Programmable transistors with only two possible levels of programmation charging by hot carrier injection
- H01L29/7885—Hot carrier injection from the channel
-
- 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
- H01L29/792—Field effect transistors with field effect produced by an insulated gate with charge trapping gate insulator, e.g. MNOS-memory 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/928—Active solid-state devices, e.g. transistors, solid-state diodes with shorted PN or schottky junction other than emitter junction
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)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (17)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB01134833XA CN1302555C (zh) | 2001-11-15 | 2001-11-15 | 非易失性半导体存储单元结构及其制作方法 |
US10/099,801 US6770950B2 (en) | 2001-11-15 | 2002-03-13 | Non-volatile semiconductor memory structure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB01134833XA CN1302555C (zh) | 2001-11-15 | 2001-11-15 | 非易失性半导体存储单元结构及其制作方法 |
US10/099,801 US6770950B2 (en) | 2001-11-15 | 2002-03-13 | Non-volatile semiconductor memory structure |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1420566A CN1420566A (zh) | 2003-05-28 |
CN1302555C true CN1302555C (zh) | 2007-02-28 |
Family
ID=29720474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB01134833XA Expired - Fee Related CN1302555C (zh) | 2001-11-15 | 2001-11-15 | 非易失性半导体存储单元结构及其制作方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6770950B2 (zh) |
CN (1) | CN1302555C (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100545212B1 (ko) * | 2003-12-26 | 2006-01-24 | 동부아남반도체 주식회사 | 적층산화막 구조를 갖는 비휘발성 메모리소자 및 이를이용한 비휘발성 sram |
TWI241017B (en) * | 2005-01-03 | 2005-10-01 | Powerchip Semiconductor Corp | Non-volatile memory device and manufacturing method and operating method thereof |
TWI257150B (en) * | 2005-02-03 | 2006-06-21 | Powerchip Semiconductor Corp | Non-volatile memory and fabricating method and operating method thereof |
TWI246748B (en) * | 2005-02-03 | 2006-01-01 | Powerchip Semiconductor Corp | Non-volatile memory and fabricating method and operating method thereof |
CN100386864C (zh) * | 2005-04-25 | 2008-05-07 | 联华电子股份有限公司 | 非易失性存储器及其制造方法 |
CN100372101C (zh) * | 2005-04-25 | 2008-02-27 | 联华电子股份有限公司 | 非挥发性存储单元及其制造方法 |
CN101969049B (zh) * | 2009-07-27 | 2012-09-26 | 中芯国际集成电路制造(上海)有限公司 | 闪存器件的多晶字线顶端区域的制作方法 |
US20230197152A1 (en) * | 2020-04-14 | 2023-06-22 | Institute of Microelectronics, Chinese Academy of Sciences | Memory cell structure, memory array structure, and voltage biasing method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6201277B1 (en) * | 1993-08-31 | 2001-03-13 | Texas Instruments Incorporated | Slot trench isolation for flash EPROM |
US6211546B1 (en) * | 1994-03-31 | 2001-04-03 | Hitachi, Ltd. | Method of manufacturing nonvolatile semiconductor memory device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1250368A (en) * | 1985-05-28 | 1989-02-21 | Tetsu Taguchi | Formant extractor |
JPH056971A (ja) * | 1990-10-22 | 1993-01-14 | Mitsubishi Electric Corp | 半導体記憶装置 |
JP3266819B2 (ja) * | 1996-07-30 | 2002-03-18 | 株式会社エイ・ティ・アール人間情報通信研究所 | 周期信号変換方法、音変換方法および信号分析方法 |
US6195632B1 (en) * | 1998-11-25 | 2001-02-27 | Matsushita Electric Industrial Co., Ltd. | Extracting formant-based source-filter data for coding and synthesis employing cost function and inverse filtering |
JP4012350B2 (ja) * | 1999-10-06 | 2007-11-21 | 株式会社ルネサステクノロジ | 半導体集積回路装置およびその製造方法 |
US6774426B2 (en) * | 2000-12-19 | 2004-08-10 | Micron Technology, Inc. | Flash cell with trench source-line connection |
US20020185673A1 (en) * | 2001-05-02 | 2002-12-12 | Ching-Hsiang Hsu | Structure of a low-voltage channel write/erase flash memory cell and fabricating method thereof |
-
2001
- 2001-11-15 CN CNB01134833XA patent/CN1302555C/zh not_active Expired - Fee Related
-
2002
- 2002-03-13 US US10/099,801 patent/US6770950B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6201277B1 (en) * | 1993-08-31 | 2001-03-13 | Texas Instruments Incorporated | Slot trench isolation for flash EPROM |
US6211546B1 (en) * | 1994-03-31 | 2001-04-03 | Hitachi, Ltd. | Method of manufacturing nonvolatile semiconductor memory device |
Also Published As
Publication number | Publication date |
---|---|
US6770950B2 (en) | 2004-08-03 |
CN1420566A (zh) | 2003-05-28 |
US20030173646A1 (en) | 2003-09-18 |
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Owner name: LIJING SEMICONDUCTOR CO., LTD. Free format text: FORMER OWNER: LIWANG ELECTRONIC CO., LTD Effective date: 20050218 |
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Effective date of registration: 20050218 Address after: Taiwan Hsinchu Science Industrial Park line 12 Applicant after: Powerchip Semiconductor Corp. Address before: No. 8, No. 81, water conservancy Road, Taiwan, Hsinchu, 3 Applicant before: Liwang Electronic Co., Ltd |
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