JP5727036B2 - 電荷トラップ電界効果トランジスタにおけるプロセスマージンのエンジニアリング - Google Patents
電荷トラップ電界効果トランジスタにおけるプロセスマージンのエンジニアリング Download PDFInfo
- Publication number
- JP5727036B2 JP5727036B2 JP2013544873A JP2013544873A JP5727036B2 JP 5727036 B2 JP5727036 B2 JP 5727036B2 JP 2013544873 A JP2013544873 A JP 2013544873A JP 2013544873 A JP2013544873 A JP 2013544873A JP 5727036 B2 JP5727036 B2 JP 5727036B2
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- Prior art keywords
- region
- layer
- nitride
- forming
- trench isolation
- 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
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- 238000005516 engineering process Methods 0.000 title description 24
- 230000005669 field effect Effects 0.000 title description 5
- 150000004767 nitrides Chemical class 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 52
- 238000002955 isolation Methods 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 20
- 229910052710 silicon Inorganic materials 0.000 claims description 20
- 239000010703 silicon Substances 0.000 claims description 20
- 238000000151 deposition Methods 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 11
- 238000005229 chemical vapour deposition Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 2
- 229910017464 nitrogen compound Inorganic materials 0.000 claims 1
- 150000002830 nitrogen compounds Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- -1 oxynitride Chemical compound 0.000 description 2
- 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
- 238000004380 ashing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002161 passivation Methods 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
- 238000000206 photolithography Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
-
- 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
- H10B43/35—EEPROM devices comprising charge-trapping gate insulators characterised by the memory core region with cell select transistors, e.g. NAND
-
- 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]
- H10D30/69—IGFETs having charge trapping gate insulators, e.g. MNOS transistors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/031—Manufacture or treatment of data-storage electrodes
- H10D64/037—Manufacture or treatment of data-storage electrodes comprising charge-trapping insulators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
- Element Separation (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/973,631 US8263458B2 (en) | 2010-12-20 | 2010-12-20 | Process margin engineering in charge trapping field effect transistors |
| US12/973,631 | 2010-12-20 | ||
| PCT/US2011/065923 WO2012087974A2 (en) | 2010-12-20 | 2011-12-19 | Process margin engineering in charge trapping field effect transistors |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014504015A JP2014504015A (ja) | 2014-02-13 |
| JP2014504015A5 JP2014504015A5 (enExample) | 2014-03-27 |
| JP5727036B2 true JP5727036B2 (ja) | 2015-06-03 |
Family
ID=46234933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013544873A Expired - Fee Related JP5727036B2 (ja) | 2010-12-20 | 2011-12-19 | 電荷トラップ電界効果トランジスタにおけるプロセスマージンのエンジニアリング |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8263458B2 (enExample) |
| EP (1) | EP2656382A4 (enExample) |
| JP (1) | JP5727036B2 (enExample) |
| KR (1) | KR20140007824A (enExample) |
| CN (1) | CN103380489B (enExample) |
| WO (1) | WO2012087974A2 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101847629B1 (ko) * | 2012-02-10 | 2018-04-10 | 삼성전자주식회사 | 반도체 소자 |
| US20150255480A1 (en) * | 2012-10-01 | 2015-09-10 | Spansion Llc | Method to Improve Charge Trap Flash Memory Top Oxide Quality |
| US8836012B2 (en) | 2012-10-04 | 2014-09-16 | Spansion Llc | Spacer design to prevent trapped electrons |
| US8866213B2 (en) | 2013-01-30 | 2014-10-21 | Spansion Llc | Non-Volatile memory with silicided bit line contacts |
| US9614105B2 (en) | 2013-04-22 | 2017-04-04 | Cypress Semiconductor Corporation | Charge-trap NOR with silicon-rich nitride as a charge trap layer |
| WO2014175202A1 (ja) * | 2013-04-23 | 2014-10-30 | ピーエスフォー ルクスコ エスエイアールエル | 装置の製造方法 |
| US8993457B1 (en) * | 2014-02-06 | 2015-03-31 | Cypress Semiconductor Corporation | Method of fabricating a charge-trapping gate stack using a CMOS process flow |
Family Cites Families (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4870470A (en) * | 1987-10-16 | 1989-09-26 | International Business Machines Corporation | Non-volatile memory cell having Si rich silicon nitride charge trapping layer |
| US6498064B2 (en) * | 2001-05-14 | 2002-12-24 | Vanguard International Semiconductor Corporation | Flash memory with conformal floating gate and the method of making the same |
| US6974995B1 (en) | 2001-12-27 | 2005-12-13 | Advanced Micro Devices, Inc. | Method and system for forming dual gate structures in a nonvolatile memory using a protective layer |
| US6808992B1 (en) | 2002-05-15 | 2004-10-26 | Spansion Llc | Method and system for tailoring core and periphery cells in a nonvolatile memory |
| US7566929B2 (en) * | 2002-07-05 | 2009-07-28 | Samsung Electronics Co., Ltd. | Nonvolatile memory devices having floating gate electrodes with nitrogen-doped layers on portions thereof |
| US6828212B2 (en) * | 2002-10-22 | 2004-12-07 | Atmel Corporation | Method of forming shallow trench isolation structure in a semiconductor device |
| JP2004303918A (ja) * | 2003-03-31 | 2004-10-28 | Renesas Technology Corp | 半導体装置の製造方法および半導体装置 |
| JP4040534B2 (ja) * | 2003-06-04 | 2008-01-30 | 株式会社東芝 | 半導体記憶装置 |
| US6943401B1 (en) | 2003-09-11 | 2005-09-13 | Advanced Micro Devices, Inc. | Flash memory cell with drain and source formed by diffusion of a dopant from a silicide |
| US7301193B2 (en) | 2004-01-22 | 2007-11-27 | Spansion Llc | Structure and method for low Vss resistance and reduced DIBL in a floating gate memory cell |
| TWI244166B (en) | 2004-03-11 | 2005-11-21 | Ememory Technology Inc | A non-volatile memory cell and fabricating method thereof |
| US6927129B1 (en) | 2004-04-08 | 2005-08-09 | Advanced Micro Devices | Narrow wide spacer |
| US7029975B1 (en) | 2004-05-04 | 2006-04-18 | Advanced Mirco Devices, Inc. | Method and apparatus for eliminating word line bending by source side implantation |
| US6987696B1 (en) | 2004-07-06 | 2006-01-17 | Advanced Micro Devices, Inc. | Method of improving erase voltage distribution for a flash memory array having dummy wordlines |
| US7170130B2 (en) | 2004-08-11 | 2007-01-30 | Spansion Llc | Memory cell with reduced DIBL and Vss resistance |
| US7151028B1 (en) | 2004-11-04 | 2006-12-19 | Spansion Llc | Memory cell with plasma-grown oxide spacer for reduced DIBL and Vss resistance and increased reliability |
| US7488657B2 (en) | 2005-06-17 | 2009-02-10 | Spansion Llc | Method and system for forming straight word lines in a flash memory array |
| US20070037371A1 (en) | 2005-08-10 | 2007-02-15 | Zhigang Wang | Method of forming gate electrode structures |
| US7675104B2 (en) | 2006-07-31 | 2010-03-09 | Spansion Llc | Integrated circuit memory system employing silicon rich layers |
| US8809936B2 (en) | 2006-07-31 | 2014-08-19 | Globalfoundries Inc. | Memory cell system with multiple nitride layers |
| US8143661B2 (en) | 2006-10-10 | 2012-03-27 | Spansion Llc | Memory cell system with charge trap |
| US20080142874A1 (en) | 2006-12-16 | 2008-06-19 | Spansion Llc | Integrated circuit system with implant oxide |
| US20080153224A1 (en) | 2006-12-21 | 2008-06-26 | Spansion Llc | Integrated circuit system with memory system |
| US20080150011A1 (en) | 2006-12-21 | 2008-06-26 | Spansion Llc | Integrated circuit system with memory system |
| US20080149990A1 (en) | 2006-12-21 | 2008-06-26 | Spansion Llc | Memory system with poly metal gate |
| US20080150000A1 (en) | 2006-12-21 | 2008-06-26 | Spansion Llc | Memory system with select gate erase |
| CN102522430B (zh) * | 2007-03-23 | 2014-10-22 | 株式会社半导体能源研究所 | 半导体装置及其制造方法 |
| US7732276B2 (en) | 2007-04-26 | 2010-06-08 | Spansion Llc | Self-aligned patterning method by using non-conformal film and etch back for flash memory and other semiconductor applications |
| US8367537B2 (en) | 2007-05-10 | 2013-02-05 | Spansion Llc | Flash memory cell with a flair gate |
| TW200847327A (en) * | 2007-05-25 | 2008-12-01 | Dongbu Hitek Co Ltd | Semiconductor device and methods of manufacturing the same |
| US7829936B2 (en) | 2007-10-17 | 2010-11-09 | Spansion Llc | Split charge storage node inner spacer process |
| JP5405737B2 (ja) * | 2007-12-20 | 2014-02-05 | スパンション エルエルシー | 半導体装置およびその製造方法 |
| JP5208537B2 (ja) * | 2008-02-19 | 2013-06-12 | 株式会社東芝 | 不揮発性記憶素子 |
| US20090261406A1 (en) | 2008-04-17 | 2009-10-22 | Suh Youseok | Use of silicon-rich nitride in a flash memory device |
| US8987092B2 (en) | 2008-04-28 | 2015-03-24 | Spansion Llc | Methods for fabricating memory cells having fin structures with semicircular top surfaces and rounded top corners and edges |
| US7867899B2 (en) | 2008-04-29 | 2011-01-11 | Spansion, Llc | Wordline resistance reduction method and structure in an integrated circuit memory device |
| US7951704B2 (en) | 2008-05-06 | 2011-05-31 | Spansion Llc | Memory device peripheral interconnects and method of manufacturing |
| US8669597B2 (en) | 2008-05-06 | 2014-03-11 | Spansion Llc | Memory device interconnects and method of manufacturing |
| US7998846B2 (en) | 2008-09-12 | 2011-08-16 | Spansion Llc | 3-D integrated circuit system and method |
| US20100078814A1 (en) | 2008-09-29 | 2010-04-01 | Roy Alok Nandini | System and method for using porous low dielectric films |
| US7907448B2 (en) | 2008-10-07 | 2011-03-15 | Spansion Llc | Scaled down select gates of NAND flash memory cell strings and method of forming same |
| US8076199B2 (en) | 2009-02-13 | 2011-12-13 | Spansion Llc | Method and device employing polysilicon scaling |
| US8487373B2 (en) | 2009-04-29 | 2013-07-16 | Spanion Llc | SONOS memory cells having non-uniform tunnel oxide and methods for fabricating same |
| US8551858B2 (en) | 2010-02-03 | 2013-10-08 | Spansion Llc | Self-aligned SI rich nitride charge trap layer isolation for charge trap flash memory |
| JP5232835B2 (ja) * | 2010-07-28 | 2013-07-10 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法および半導体装置 |
-
2010
- 2010-12-20 US US12/973,631 patent/US8263458B2/en active Active
-
2011
- 2011-12-19 CN CN201180067986.9A patent/CN103380489B/zh active Active
- 2011-12-19 EP EP11852012.1A patent/EP2656382A4/en active Pending
- 2011-12-19 KR KR1020137019144A patent/KR20140007824A/ko not_active Ceased
- 2011-12-19 JP JP2013544873A patent/JP5727036B2/ja not_active Expired - Fee Related
- 2011-12-19 WO PCT/US2011/065923 patent/WO2012087974A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20120156856A1 (en) | 2012-06-21 |
| JP2014504015A (ja) | 2014-02-13 |
| WO2012087974A3 (en) | 2012-08-23 |
| EP2656382A4 (en) | 2017-11-29 |
| KR20140007824A (ko) | 2014-01-20 |
| CN103380489B (zh) | 2016-08-24 |
| US8263458B2 (en) | 2012-09-11 |
| WO2012087974A2 (en) | 2012-06-28 |
| EP2656382A2 (en) | 2013-10-30 |
| CN103380489A (zh) | 2013-10-30 |
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