CN103325791B - 一种存储装置 - Google Patents
一种存储装置 Download PDFInfo
- Publication number
- CN103325791B CN103325791B CN201210365277.5A CN201210365277A CN103325791B CN 103325791 B CN103325791 B CN 103325791B CN 201210365277 A CN201210365277 A CN 201210365277A CN 103325791 B CN103325791 B CN 103325791B
- Authority
- CN
- China
- Prior art keywords
- metal
- grid
- photoresist
- floating grid
- substrate
- 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
Links
- 238000003860 storage Methods 0.000 title claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 94
- 239000002184 metal Substances 0.000 claims abstract description 94
- 238000007667 floating Methods 0.000 claims abstract description 60
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 229920002120 photoresistant polymer Polymers 0.000 claims description 60
- 238000004519 manufacturing process Methods 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 38
- 239000011248 coating agent Substances 0.000 claims description 29
- 238000000576 coating method Methods 0.000 claims description 29
- 238000000151 deposition Methods 0.000 claims description 15
- 238000005530 etching Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 239000002019 doping agent Substances 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 230000008859 change Effects 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000004528 spin coating Methods 0.000 description 4
- 239000006200 vaporizer Substances 0.000 description 4
- 239000012459 cleaning agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910000071 diazene Inorganic materials 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical compound N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002343 gold Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28185—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation with a treatment, e.g. annealing, after the formation of the gate insulator and before the formation of the definitive gate conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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 adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/7883—Programmable transistors with only two possible levels of programmation charging by tunnelling of carriers, e.g. Fowler-Nordheim tunnelling
-
- 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
- H10B41/43—Simultaneous manufacture of periphery and memory cells comprising only one type of peripheral transistor
- H10B41/48—Simultaneous manufacture of periphery and memory cells comprising only one type of peripheral transistor with a tunnel dielectric layer also being used as part of the peripheral transistor
-
- 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
- H10B41/49—Simultaneous manufacture of periphery and memory cells comprising different types of peripheral transistor
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/425,575 US9343471B2 (en) | 2012-03-21 | 2012-03-21 | Embedded flash memory |
US13/425,575 | 2012-03-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103325791A CN103325791A (zh) | 2013-09-25 |
CN103325791B true CN103325791B (zh) | 2016-12-21 |
Family
ID=47875791
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012204981722U Expired - Fee Related CN202816959U (zh) | 2012-03-21 | 2012-09-26 | 一种存储装置 |
CN201210365277.5A Expired - Fee Related CN103325791B (zh) | 2012-03-21 | 2012-09-26 | 一种存储装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012204981722U Expired - Fee Related CN202816959U (zh) | 2012-03-21 | 2012-09-26 | 一种存储装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9343471B2 (zh) |
EP (1) | EP2642520B1 (zh) |
KR (1) | KR101454365B1 (zh) |
CN (2) | CN202816959U (zh) |
TW (1) | TWI517305B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9343471B2 (en) * | 2012-03-21 | 2016-05-17 | Broadcom Corporation | Embedded flash memory |
US9443851B2 (en) | 2014-01-03 | 2016-09-13 | Samsung Electronics Co., Ltd. | Semiconductor devices including finFETs and local interconnect layers and methods of fabricating the same |
US9349741B2 (en) * | 2014-07-14 | 2016-05-24 | Taiwan Semiconductor Manufacturing Co., Ltd. | Recessed salicide structure to integrate a flash memory device with a high κ, metal gate logic device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202816959U (zh) * | 2012-03-21 | 2013-03-20 | 美国博通公司 | 一种存储装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5768186A (en) | 1996-10-25 | 1998-06-16 | Ma; Yueh Yale | High density single poly metal-gate non-volatile memory cell |
US6117725A (en) * | 1999-08-11 | 2000-09-12 | Taiwan Semiconductor Manufacturing Company | Method for making cost-effective embedded DRAM structures compatible with logic circuit processing |
KR100624961B1 (ko) * | 1999-10-20 | 2006-09-19 | 주식회사 하이닉스반도체 | 메탈 게이트를 채용한 트랜지스터 제조방법 |
KR100356773B1 (ko) * | 2000-02-11 | 2002-10-18 | 삼성전자 주식회사 | 플래쉬 메모리 장치 및 그 형성 방법 |
US7102191B2 (en) | 2004-03-24 | 2006-09-05 | Micron Technologies, Inc. | Memory device with high dielectric constant gate dielectrics and metal floating gates |
US7138680B2 (en) | 2004-09-14 | 2006-11-21 | Infineon Technologies Ag | Memory device with floating gate stack |
KR100640529B1 (ko) * | 2004-12-30 | 2006-10-31 | 동부일렉트로닉스 주식회사 | 플래시 메모리 소자의 제조 방법 |
KR100614644B1 (ko) | 2004-12-30 | 2006-08-22 | 삼성전자주식회사 | 비휘발성 기억소자, 그 제조방법 및 동작 방법 |
TWI281753B (en) | 2005-12-13 | 2007-05-21 | Powerchip Semiconductor Corp | Non-volatile memory and manufacturing method and operating method thereof |
US7598560B2 (en) | 2007-03-30 | 2009-10-06 | Kavalieros Jack T | Hetero-bimos injection process for non-volatile flash memory |
US7834387B2 (en) * | 2008-04-10 | 2010-11-16 | International Business Machines Corporation | Metal gate compatible flash memory gate stack |
US20090267130A1 (en) * | 2008-04-28 | 2009-10-29 | International Business Machines Corporation | Structure and process integration for flash storage element and dual conductor complementary mosfets |
US8558300B2 (en) | 2009-11-06 | 2013-10-15 | Broadcom Corporation | Method for fabricating a flash memory cell utilizing a high-K metal gate process and related structure |
-
2012
- 2012-03-21 US US13/425,575 patent/US9343471B2/en active Active
- 2012-08-14 EP EP12005865.6A patent/EP2642520B1/en active Active
- 2012-09-10 TW TW101133040A patent/TWI517305B/zh not_active IP Right Cessation
- 2012-09-20 KR KR1020120104367A patent/KR101454365B1/ko not_active IP Right Cessation
- 2012-09-26 CN CN2012204981722U patent/CN202816959U/zh not_active Expired - Fee Related
- 2012-09-26 CN CN201210365277.5A patent/CN103325791B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202816959U (zh) * | 2012-03-21 | 2013-03-20 | 美国博通公司 | 一种存储装置 |
Also Published As
Publication number | Publication date |
---|---|
KR101454365B1 (ko) | 2014-10-23 |
EP2642520B1 (en) | 2021-06-23 |
EP2642520A2 (en) | 2013-09-25 |
EP2642520A3 (en) | 2013-10-16 |
TW201340255A (zh) | 2013-10-01 |
TWI517305B (zh) | 2016-01-11 |
US20130248961A1 (en) | 2013-09-26 |
CN202816959U (zh) | 2013-03-20 |
KR20130107186A (ko) | 2013-10-01 |
CN103325791A (zh) | 2013-09-25 |
US9343471B2 (en) | 2016-05-17 |
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