CN103489867A - Sram - Google Patents
Sram Download PDFInfo
- Publication number
- CN103489867A CN103489867A CN201310240295.5A CN201310240295A CN103489867A CN 103489867 A CN103489867 A CN 103489867A CN 201310240295 A CN201310240295 A CN 201310240295A CN 103489867 A CN103489867 A CN 103489867A
- Authority
- CN
- China
- Prior art keywords
- wiring
- via hole
- memory cell
- contact
- wiring layer
- 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.)
- Granted
Links
- 239000010936 titanium Substances 0.000 claims abstract description 110
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 106
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 106
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 49
- 239000010937 tungsten Substances 0.000 claims abstract description 49
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 22
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims description 26
- 230000009467 reduction Effects 0.000 abstract description 34
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 15
- NXHILIPIEUBEPD-UHFFFAOYSA-H tungsten hexafluoride Chemical compound F[W](F)(F)(F)(F)F NXHILIPIEUBEPD-UHFFFAOYSA-H 0.000 abstract description 13
- 238000003860 storage Methods 0.000 abstract description 10
- 239000012495 reaction gas Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 226
- 238000009792 diffusion process Methods 0.000 description 42
- 230000007547 defect Effects 0.000 description 41
- 230000000295 complement effect Effects 0.000 description 30
- 230000008034 disappearance Effects 0.000 description 28
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 21
- 230000004888 barrier function Effects 0.000 description 20
- 239000011229 interlayer Substances 0.000 description 14
- 239000010949 copper Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- 238000005530 etching Methods 0.000 description 12
- 239000004411 aluminium Substances 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000003989 dielectric material Substances 0.000 description 5
- 238000001259 photo etching Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- 229910017083 AlN Inorganic materials 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910018182 Al—Cu Inorganic materials 0.000 description 1
- 229910017758 Cu-Si Inorganic materials 0.000 description 1
- 229910017931 Cu—Si Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- -1 copper or tungsten Chemical class 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
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- XROWMBWRMNHXMF-UHFFFAOYSA-J titanium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Ti+4] XROWMBWRMNHXMF-UHFFFAOYSA-J 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/06—Arrangements for interconnecting storage elements electrically, e.g. by wiring
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/41—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/412—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger using field-effect transistors only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5226—Via connections in a multilevel interconnection structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53214—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being aluminium
- H01L23/53223—Additional layers associated with aluminium layers, e.g. adhesion, barrier, cladding layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53257—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being a refractory metal
- H01L23/53266—Additional layers associated with refractory-metal layers, e.g. adhesion, barrier, cladding layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B10/00—Static random access memory [SRAM] devices
- H10B10/12—Static random access memory [SRAM] devices comprising a MOSFET load element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012132831A JP6025190B2 (ja) | 2012-06-12 | 2012-06-12 | Sram |
JP2012-132831 | 2012-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103489867A true CN103489867A (zh) | 2014-01-01 |
CN103489867B CN103489867B (zh) | 2017-12-05 |
Family
ID=49715195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310240295.5A Active CN103489867B (zh) | 2012-06-12 | 2013-06-09 | Sram |
Country Status (3)
Country | Link |
---|---|
US (1) | US9390765B2 (zh) |
JP (1) | JP6025190B2 (zh) |
CN (1) | CN103489867B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106206586A (zh) * | 2015-04-30 | 2016-12-07 | 联华电子股份有限公司 | 静态随机存取存储器 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI685088B (zh) | 2015-07-15 | 2020-02-11 | 聯華電子股份有限公司 | 靜態隨機存取記憶體單元結構以及靜態隨機存取記憶體佈局結構 |
KR20170133750A (ko) * | 2016-05-26 | 2017-12-06 | 삼성전자주식회사 | 집적 회로의 설계를 위한 컴퓨터 구현 방법 |
US20190139823A1 (en) * | 2017-11-06 | 2019-05-09 | Globalfoundries Inc. | Methods of forming conductive lines and vias and the resulting structures |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0697387A (ja) * | 1992-09-09 | 1994-04-08 | Hitachi Ltd | 半導体記憶装置 |
JPH09162281A (ja) * | 1995-12-04 | 1997-06-20 | Nippon Telegr & Teleph Corp <Ntt> | 平坦化多層配線およびその製造方法 |
CN1212462A (zh) * | 1997-09-22 | 1999-03-31 | 日本电气株式会社 | 半导体器件及其制造方法 |
US6469400B2 (en) * | 2000-04-11 | 2002-10-22 | Seiko Epson Corporation | Semiconductor memory device |
JP2003303881A (ja) * | 2002-04-10 | 2003-10-24 | Hitachi Ltd | 半導体装置及びその製造方法 |
CN1641882A (zh) * | 2004-01-12 | 2005-07-20 | 三星电子株式会社 | 半导体器件中的节点接触结构及其制造方法 |
CN101055875A (zh) * | 2006-03-27 | 2007-10-17 | 株式会社东芝 | 非易失性半导体存储器件及其制造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001028400A (ja) * | 1999-07-15 | 2001-01-30 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP4343571B2 (ja) * | 2002-07-31 | 2009-10-14 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
JP5431752B2 (ja) * | 2009-03-05 | 2014-03-05 | ルネサスエレクトロニクス株式会社 | 半導体集積回路装置の製造方法 |
JP4741027B2 (ja) | 2010-05-07 | 2011-08-03 | パナソニック株式会社 | 半導体記憶装置 |
-
2012
- 2012-06-12 JP JP2012132831A patent/JP6025190B2/ja not_active Expired - Fee Related
-
2013
- 2013-06-09 CN CN201310240295.5A patent/CN103489867B/zh active Active
- 2013-06-11 US US13/915,623 patent/US9390765B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0697387A (ja) * | 1992-09-09 | 1994-04-08 | Hitachi Ltd | 半導体記憶装置 |
JPH09162281A (ja) * | 1995-12-04 | 1997-06-20 | Nippon Telegr & Teleph Corp <Ntt> | 平坦化多層配線およびその製造方法 |
CN1212462A (zh) * | 1997-09-22 | 1999-03-31 | 日本电气株式会社 | 半导体器件及其制造方法 |
US6469400B2 (en) * | 2000-04-11 | 2002-10-22 | Seiko Epson Corporation | Semiconductor memory device |
JP2003303881A (ja) * | 2002-04-10 | 2003-10-24 | Hitachi Ltd | 半導体装置及びその製造方法 |
CN1641882A (zh) * | 2004-01-12 | 2005-07-20 | 三星电子株式会社 | 半导体器件中的节点接触结构及其制造方法 |
CN101055875A (zh) * | 2006-03-27 | 2007-10-17 | 株式会社东芝 | 非易失性半导体存储器件及其制造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106206586A (zh) * | 2015-04-30 | 2016-12-07 | 联华电子股份有限公司 | 静态随机存取存储器 |
CN106206586B (zh) * | 2015-04-30 | 2021-12-03 | 联华电子股份有限公司 | 静态随机存取存储器 |
Also Published As
Publication number | Publication date |
---|---|
US9390765B2 (en) | 2016-07-12 |
JP6025190B2 (ja) | 2016-11-16 |
JP2013258245A (ja) | 2013-12-26 |
US20130329480A1 (en) | 2013-12-12 |
CN103489867B (zh) | 2017-12-05 |
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Address after: Japan Tokyo city Xiaoping, 22 times the Sheung Shui Ting No. 1 Applicant after: RENESAS SP DRIVERS INC. Address before: Tokyo, Japan, Japan Applicant before: Renesas Sp Drivers Inc. |
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Free format text: CORRECT: APPLICANT; FROM: RENESAS SP DRIVERS INC. TO: SYNAPTICS DISPLAY DEVICE, K. K. |
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C10 | Entry into substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Tokyo, Japan, China wild area, wild four, 10, 2 Applicant after: Xin Napudikesi display contract commercial firm Address before: Japan Tokyo city Xiaoping, 22 times the Sheung Shui Ting No. 1 Applicant before: RENESAS SP DRIVERS INC. |
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Address after: Tokyo, Japan, China wild area, wild four, 10, 2 Applicant after: Sin Knapp Dick J Japan Contract Society Address before: Tokyo, Japan, China wild area, wild four, 10, 2 Applicant before: Xin Napudikesi display contract commercial firm |
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