TWI349370B - An isolation-less, contact-less array of nonvolatile memory cells each having a floating gate for storage of charges, and methods of manufacturing, and operating therefor - Google Patents
An isolation-less, contact-less array of nonvolatile memory cells each having a floating gate for storage of charges, and methods of manufacturing, and operating thereforInfo
- Publication number
- TWI349370B TWI349370B TW094107123A TW94107123A TWI349370B TW I349370 B TWI349370 B TW I349370B TW 094107123 A TW094107123 A TW 094107123A TW 94107123 A TW94107123 A TW 94107123A TW I349370 B TWI349370 B TW I349370B
- Authority
- TW
- Taiwan
- Prior art keywords
- less
- charges
- isolation
- manufacturing
- methods
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
- H10B41/23—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
- H10B41/27—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0491—Virtual ground arrays
-
- 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
- H01L29/42328—Gate electrodes for transistors with a floating gate with at least one additional gate other than the floating gate and the control gate, e.g. program gate, erase gate or select 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
- H01L29/40—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
- H01L29/42336—Gate electrodes for transistors with a floating gate with one gate at least partly formed in a trench
-
- 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
- H01L29/7887—Programmable transistors with more than two possible different levels of programmation
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0408—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors
- G11C16/0433—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors comprising cells containing a single floating gate transistor and one or more separate select transistors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0408—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors
- G11C16/0441—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors comprising cells containing multiple floating gate devices, e.g. separate read-and-write FAMOS transistors with connected floating gates
- G11C16/0458—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells containing floating gate transistors comprising cells containing multiple floating gate devices, e.g. separate read-and-write FAMOS transistors with connected floating gates comprising two or more independent floating gates which store independent data
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
- G11C16/14—Circuits for erasing electrically, e.g. erase voltage switching circuits
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)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Element Separation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/822,944 US7015537B2 (en) | 2004-04-12 | 2004-04-12 | Isolation-less, contact-less array of nonvolatile memory cells each having a floating gate for storage of charges, and methods of manufacturing, and operating therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200605364A TW200605364A (en) | 2006-02-01 |
TWI349370B true TWI349370B (en) | 2011-09-21 |
Family
ID=35059701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094107123A TWI349370B (en) | 2004-04-12 | 2005-03-09 | An isolation-less, contact-less array of nonvolatile memory cells each having a floating gate for storage of charges, and methods of manufacturing, and operating therefor |
Country Status (5)
Country | Link |
---|---|
US (1) | US7015537B2 (zh) |
JP (1) | JP2005303294A (zh) |
KR (1) | KR20060045637A (zh) |
CN (1) | CN100474591C (zh) |
TW (1) | TWI349370B (zh) |
Families Citing this family (43)
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KR100526478B1 (ko) * | 2003-12-31 | 2005-11-08 | 동부아남반도체 주식회사 | 반도체 소자 및 그 제조방법 |
US7221597B2 (en) * | 2004-05-26 | 2007-05-22 | Micron Technology, Inc. | Ballistic direct injection flash memory cell on strained silicon structures |
US7518179B2 (en) | 2004-10-08 | 2009-04-14 | Freescale Semiconductor, Inc. | Virtual ground memory array and method therefor |
KR100654341B1 (ko) * | 2004-12-08 | 2006-12-08 | 삼성전자주식회사 | 비휘발성 메모리 소자 및 그 제조방법 |
US7166888B2 (en) * | 2005-01-27 | 2007-01-23 | Micron Technology, Inc. | Scalable high density non-volatile memory cells in a contactless memory array |
US7211858B2 (en) * | 2005-07-25 | 2007-05-01 | Freescale Semiconductor, Inc. | Split gate storage device including a horizontal first gate and a vertical second gate in a trench |
US20070020840A1 (en) * | 2005-07-25 | 2007-01-25 | Freescale Semiconductor, Inc. | Programmable structure including nanocrystal storage elements in a trench |
US7226840B2 (en) * | 2005-07-25 | 2007-06-05 | Freescale Semiconductor, Inc. | Process for forming an electronic device including discontinuous storage elements |
US7314798B2 (en) * | 2005-07-25 | 2008-01-01 | Freescale Semiconductor, Inc. | Method of fabricating a nonvolatile storage array with continuous control gate employing hot carrier injection programming |
US7582929B2 (en) * | 2005-07-25 | 2009-09-01 | Freescale Semiconductor, Inc | Electronic device including discontinuous storage elements |
US7112490B1 (en) * | 2005-07-25 | 2006-09-26 | Freescale Semiconductor, Inc. | Hot carrier injection programmable structure including discontinuous storage elements and spacer control gates in a trench |
US7642594B2 (en) * | 2005-07-25 | 2010-01-05 | Freescale Semiconductor, Inc | Electronic device including gate lines, bit lines, or a combination thereof |
US7211487B2 (en) * | 2005-07-25 | 2007-05-01 | Freescale Semiconductor, Inc. | Process for forming an electronic device including discontinuous storage elements |
US7285819B2 (en) * | 2005-07-25 | 2007-10-23 | Freescale Semiconductor, Inc. | Nonvolatile storage array with continuous control gate employing hot carrier injection programming |
US7619270B2 (en) * | 2005-07-25 | 2009-11-17 | Freescale Semiconductor, Inc. | Electronic device including discontinuous storage elements |
US7256454B2 (en) * | 2005-07-25 | 2007-08-14 | Freescale Semiconductor, Inc | Electronic device including discontinuous storage elements and a process for forming the same |
US7250340B2 (en) * | 2005-07-25 | 2007-07-31 | Freescale Semiconductor, Inc. | Method of fabricating programmable structure including discontinuous storage elements and spacer control gates in a trench |
US7394686B2 (en) * | 2005-07-25 | 2008-07-01 | Freescale Semiconductor, Inc. | Programmable structure including discontinuous storage elements and spacer control gates in a trench |
US7619275B2 (en) * | 2005-07-25 | 2009-11-17 | Freescale Semiconductor, Inc. | Process for forming an electronic device including discontinuous storage elements |
US7262997B2 (en) * | 2005-07-25 | 2007-08-28 | Freescale Semiconductor, Inc. | Process for operating an electronic device including a memory array and conductive lines |
US7205608B2 (en) * | 2005-07-25 | 2007-04-17 | Freescale Semiconductor, Inc. | Electronic device including discontinuous storage elements |
US7592224B2 (en) | 2006-03-30 | 2009-09-22 | Freescale Semiconductor, Inc | Method of fabricating a storage device including decontinuous storage elements within and between trenches |
US20080029803A1 (en) * | 2006-08-02 | 2008-02-07 | Infineon Technologies Ag | Programmable non-volatile memory cell |
US7838922B2 (en) * | 2007-01-24 | 2010-11-23 | Freescale Semiconductor, Inc. | Electronic device including trenches and discontinuous storage elements |
US7572699B2 (en) * | 2007-01-24 | 2009-08-11 | Freescale Semiconductor, Inc | Process of forming an electronic device including fins and discontinuous storage elements |
US7651916B2 (en) * | 2007-01-24 | 2010-01-26 | Freescale Semiconductor, Inc | Electronic device including trenches and discontinuous storage elements and processes of forming and using the same |
US7416945B1 (en) * | 2007-02-19 | 2008-08-26 | Freescale Semiconductor, Inc. | Method for forming a split gate memory device |
KR100871606B1 (ko) * | 2007-06-18 | 2008-12-02 | 삼성전자주식회사 | 비휘발성 메모리 소자의 프로그래밍 방법 및 이를 이용한낸드 플래시 메모리 소자의 구동 방법 |
JP2010050208A (ja) * | 2008-08-20 | 2010-03-04 | Renesas Technology Corp | 半導体記憶装置 |
KR101585615B1 (ko) * | 2009-02-26 | 2016-01-14 | 삼성전자주식회사 | 반도체 장치 |
KR20140063147A (ko) * | 2012-11-16 | 2014-05-27 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그 제조 방법 |
US9548380B2 (en) | 2013-03-14 | 2017-01-17 | Silicon Storage Technology, Inc. | Non-volatile memory cell having a trapping charge layer in a trench and an array and a method of manufacturing therefor |
CN104376872B (zh) * | 2013-08-16 | 2018-07-06 | 北京兆易创新科技股份有限公司 | 一种对快闪存储器擦除中断的处理方法 |
US9355725B2 (en) * | 2013-12-12 | 2016-05-31 | Cypress Semiconductor Corporation | Non-volatile memory and method of operating the same |
US20150179749A1 (en) * | 2013-12-19 | 2015-06-25 | Silicon Storage Technology, Inc | Non-volatile Memory Cell With Self Aligned Floating And Erase Gates, And Method Of Making Same |
US9508396B2 (en) * | 2014-04-02 | 2016-11-29 | Ememory Technology Inc. | Array structure of single-ploy nonvolatile memory |
CN104157658B (zh) | 2014-04-09 | 2017-05-10 | 苏州东微半导体有限公司 | 一种半导体感光单元及其半导体感光单元阵列 |
FR3036221B1 (fr) * | 2015-05-11 | 2017-04-28 | Stmicroelectronics Rousset | Structure d'interconnexion de cellules memoire jumelles |
US10141321B2 (en) * | 2015-10-21 | 2018-11-27 | Silicon Storage Technology, Inc. | Method of forming flash memory with separate wordline and erase gates |
JP7265479B2 (ja) | 2017-08-25 | 2023-04-26 | 株式会社半導体エネルギー研究所 | 半導体装置、および半導体装置の作製方法 |
TWI742299B (zh) * | 2017-09-15 | 2021-10-11 | 美商綠芯智慧財產有限責任公司 | 電可抹除可程式化非揮發性記憶體單元及操作記憶體單元之方法 |
CN110543937B (zh) * | 2018-05-28 | 2022-09-30 | 厦门半导体工业技术研发有限公司 | 神经网络及操作方法、神经网络信息处理系统 |
CN114188322A (zh) * | 2020-09-15 | 2022-03-15 | 长鑫存储技术有限公司 | 半导体结构及半导体结构的制作方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5029130A (en) * | 1990-01-22 | 1991-07-02 | Silicon Storage Technology, Inc. | Single transistor non-valatile electrically alterable semiconductor memory device |
US6103573A (en) * | 1999-06-30 | 2000-08-15 | Sandisk Corporation | Processing techniques for making a dual floating gate EEPROM cell array |
US6329685B1 (en) * | 1999-09-22 | 2001-12-11 | Silicon Storage Technology, Inc. | Self aligned method of forming a semiconductor memory array of floating gate memory cells and a memory array made thereby |
US6717203B2 (en) * | 2002-07-10 | 2004-04-06 | Altera Corporation | Compact nonvolatile memory using substrate hot carrier injection |
US6747310B2 (en) * | 2002-10-07 | 2004-06-08 | Actrans System Inc. | Flash memory cells with separated self-aligned select and erase gates, and process of fabrication |
JP3884397B2 (ja) * | 2003-04-25 | 2007-02-21 | 株式会社東芝 | 不揮発性半導体記憶装置 |
-
2004
- 2004-04-12 US US10/822,944 patent/US7015537B2/en not_active Expired - Lifetime
-
2005
- 2005-03-09 TW TW094107123A patent/TWI349370B/zh active
- 2005-04-05 JP JP2005108659A patent/JP2005303294A/ja not_active Abandoned
- 2005-04-12 KR KR1020050030483A patent/KR20060045637A/ko not_active Application Discontinuation
- 2005-04-12 CN CNB2005100649728A patent/CN100474591C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
TW200605364A (en) | 2006-02-01 |
CN100474591C (zh) | 2009-04-01 |
KR20060045637A (ko) | 2006-05-17 |
US20050224861A1 (en) | 2005-10-13 |
CN1684261A (zh) | 2005-10-19 |
JP2005303294A (ja) | 2005-10-27 |
US7015537B2 (en) | 2006-03-21 |
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