CN1714457A - 氮化硅电荷捕获存储器件 - Google Patents
氮化硅电荷捕获存储器件 Download PDFInfo
- Publication number
- CN1714457A CN1714457A CN03825466.2A CN03825466A CN1714457A CN 1714457 A CN1714457 A CN 1714457A CN 03825466 A CN03825466 A CN 03825466A CN 1714457 A CN1714457 A CN 1714457A
- Authority
- CN
- China
- Prior art keywords
- type trap
- type
- trap
- isolation
- memory device
- 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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title description 5
- 229910052710 silicon Inorganic materials 0.000 title description 5
- 239000010703 silicon Substances 0.000 title description 5
- 150000004767 nitrides Chemical class 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 239000012535 impurity Substances 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims description 30
- 229910052785 arsenic Inorganic materials 0.000 claims description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 13
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 13
- 229920005591 polysilicon Polymers 0.000 description 13
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 13
- 238000009826 distribution Methods 0.000 description 11
- 238000007667 floating Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 230000005684 electric field Effects 0.000 description 6
- 239000002784 hot electron Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- H01L29/66833—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a charge trapping gate insulator, e.g. MNOS transistors
-
- 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
- H01L29/4234—Gate electrodes for transistors with charge trapping gate insulator
-
- 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
- H01L29/7923—Programmable transistors with more than two possible different 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
- G11C16/0466—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells with charge storage in an insulating layer, e.g. metal-nitride-oxide-silicon [MNOS], silicon-oxide-nitride-oxide-silicon [SONOS]
- G11C16/0475—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells with charge storage in an insulating layer, e.g. metal-nitride-oxide-silicon [MNOS], silicon-oxide-nitride-oxide-silicon [SONOS] comprising two or more independent storage sites 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)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/306,252 | 2002-11-27 | ||
US10/306,252 US6906959B2 (en) | 2002-11-27 | 2002-11-27 | Method and system for erasing a nitride memory device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1714457A true CN1714457A (zh) | 2005-12-28 |
Family
ID=32467772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN03825466.2A Pending CN1714457A (zh) | 2002-11-27 | 2003-07-10 | 氮化硅电荷捕获存储器件 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6906959B2 (zh) |
EP (1) | EP1568085A1 (zh) |
JP (1) | JP5095081B2 (zh) |
KR (1) | KR101024079B1 (zh) |
CN (1) | CN1714457A (zh) |
AU (1) | AU2003261139A1 (zh) |
TW (1) | TW200409348A (zh) |
WO (1) | WO2004051753A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040107967A (ko) * | 2003-06-16 | 2004-12-23 | 삼성전자주식회사 | Sonos메모리 소자 및 그 정보 소거방법 |
US6873550B2 (en) * | 2003-08-07 | 2005-03-29 | Micron Technology, Inc. | Method for programming and erasing an NROM cell |
KR100620218B1 (ko) * | 2003-12-31 | 2006-09-11 | 동부일렉트로닉스 주식회사 | 반도체 소자 |
JP2006252670A (ja) * | 2005-03-10 | 2006-09-21 | Matsushita Electric Ind Co Ltd | 不揮発性メモリの駆動方法およびこれに用いられる不揮発性メモリ |
US7394702B2 (en) * | 2006-04-05 | 2008-07-01 | Spansion Llc | Methods for erasing and programming memory devices |
US20070247924A1 (en) * | 2006-04-06 | 2007-10-25 | Wei Zheng | Methods for erasing memory devices and multi-level programming memory device |
KR101145802B1 (ko) * | 2006-09-29 | 2012-05-16 | 에스케이하이닉스 주식회사 | 낸드 플래시 메모리 소자의 메모리 셀 및 그 제조방법 |
US7564707B2 (en) * | 2007-08-22 | 2009-07-21 | Zerog Wireless, Inc. | One-time programmable non-volatile memory |
US7981745B2 (en) * | 2007-08-30 | 2011-07-19 | Spansion Llc | Sacrificial nitride and gate replacement |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5243559A (en) * | 1990-12-12 | 1993-09-07 | Nippon Steel Corporation | Semiconductor memory device |
US6475846B1 (en) * | 1995-05-18 | 2002-11-05 | Texas Instruments Incorporated | Method of making floating-gate memory-cell array with digital logic transistors |
JP3162264B2 (ja) * | 1995-05-30 | 2001-04-25 | シャープ株式会社 | フラッシュメモリの書換え方法 |
JP3780057B2 (ja) * | 1997-03-19 | 2006-05-31 | 富士通株式会社 | 半導体装置の製造方法 |
JPH11297847A (ja) * | 1998-04-13 | 1999-10-29 | Nec Kyushu Ltd | 半導体装置及びその製造方法 |
US6194272B1 (en) * | 1998-05-19 | 2001-02-27 | Mosel Vitelic, Inc. | Split gate flash cell with extremely small cell size |
JP2001102553A (ja) * | 1999-09-29 | 2001-04-13 | Sony Corp | 半導体装置、その駆動方法および製造方法 |
US6319775B1 (en) * | 1999-10-25 | 2001-11-20 | Advanced Micro Devices, Inc. | Nitridation process for fabricating an ONO floating-gate electrode in a two-bit EEPROM device |
US6528845B1 (en) | 2000-07-14 | 2003-03-04 | Lucent Technologies Inc. | Non-volatile semiconductor memory cell utilizing trapped charge generated by channel-initiated secondary electron injection |
JP4151229B2 (ja) * | 2000-10-26 | 2008-09-17 | ソニー株式会社 | 不揮発性半導体記憶装置およびその製造方法 |
US6614692B2 (en) * | 2001-01-18 | 2003-09-02 | Saifun Semiconductors Ltd. | EEPROM array and method for operation thereof |
JP3966707B2 (ja) * | 2001-02-06 | 2007-08-29 | 株式会社東芝 | 半導体装置及びその製造方法 |
US6461949B1 (en) * | 2001-03-29 | 2002-10-08 | Macronix International Co. Ltd. | Method for fabricating a nitride read-only-memory (NROM) |
-
2002
- 2002-11-27 US US10/306,252 patent/US6906959B2/en not_active Expired - Lifetime
-
2003
- 2003-07-10 EP EP03812414A patent/EP1568085A1/en not_active Ceased
- 2003-07-10 CN CN03825466.2A patent/CN1714457A/zh active Pending
- 2003-07-10 KR KR1020057009104A patent/KR101024079B1/ko not_active IP Right Cessation
- 2003-07-10 AU AU2003261139A patent/AU2003261139A1/en not_active Abandoned
- 2003-07-10 JP JP2004557100A patent/JP5095081B2/ja not_active Expired - Fee Related
- 2003-07-10 WO PCT/US2003/021676 patent/WO2004051753A1/en active Application Filing
- 2003-08-29 TW TW092123890A patent/TW200409348A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
KR101024079B1 (ko) | 2011-03-22 |
US6906959B2 (en) | 2005-06-14 |
US20040169218A1 (en) | 2004-09-02 |
WO2004051753A1 (en) | 2004-06-17 |
EP1568085A1 (en) | 2005-08-31 |
JP2006508543A (ja) | 2006-03-09 |
JP5095081B2 (ja) | 2012-12-12 |
AU2003261139A1 (en) | 2004-06-23 |
TW200409348A (en) | 2004-06-01 |
KR20050085064A (ko) | 2005-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SPANSION CO.,LTD. Free format text: FORMER OWNER: ADVANCED MICRO DEVICES INC. Effective date: 20070209 Owner name: SPANSION CO., LTD. Free format text: FORMER OWNER: SPANSION CO.,LTD. Effective date: 20070209 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070209 Address after: California, USA Applicant after: SPANSION LLC Address before: California, USA Applicant before: Spanson Co. Effective date of registration: 20070209 Address after: California, USA Applicant after: Spanson Co. Address before: California, USA Applicant before: ADVANCED MICRO DEVICES, Inc. |
|
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |