CN100359597C - 存储单元构件及生产方法 - Google Patents
存储单元构件及生产方法 Download PDFInfo
- Publication number
- CN100359597C CN100359597C CNB018150446A CN01815044A CN100359597C CN 100359597 C CN100359597 C CN 100359597C CN B018150446 A CNB018150446 A CN B018150446A CN 01815044 A CN01815044 A CN 01815044A CN 100359597 C CN100359597 C CN 100359597C
- Authority
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- China
- Prior art keywords
- layer
- memory cell
- connecting line
- memory unit
- memory
- 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
- 230000015654 memory Effects 0.000 title claims abstract description 157
- 210000003850 cellular structure Anatomy 0.000 title claims description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000009792 diffusion process Methods 0.000 claims abstract description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 69
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 54
- 229910052802 copper Inorganic materials 0.000 claims description 53
- 239000010949 copper Substances 0.000 claims description 53
- 239000000377 silicon dioxide Substances 0.000 claims description 34
- 235000012239 silicon dioxide Nutrition 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 32
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 31
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 31
- 210000004027 cell Anatomy 0.000 claims description 29
- 230000005294 ferromagnetic effect Effects 0.000 claims description 29
- 230000005291 magnetic effect Effects 0.000 claims description 12
- 229910052715 tantalum Inorganic materials 0.000 claims description 9
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 description 27
- 230000007797 corrosion Effects 0.000 description 26
- 238000005516 engineering process Methods 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- 238000005498 polishing Methods 0.000 description 7
- 238000007517 polishing process Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- -1 and Co Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- ORQWZDMGFYSKGA-UHFFFAOYSA-N dioxosilane tantalum Chemical compound [Si](=O)=O.[Ta] ORQWZDMGFYSKGA-UHFFFAOYSA-N 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical group [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
- 150000003481 tantalum Chemical class 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
-
- 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
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
-
- 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
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
- G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10043159.3 | 2000-09-01 | ||
DE10043159A DE10043159A1 (de) | 2000-09-01 | 2000-09-01 | Speicherzellenanordnung und Verfahren zu deren Herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1451164A CN1451164A (zh) | 2003-10-22 |
CN100359597C true CN100359597C (zh) | 2008-01-02 |
Family
ID=7654680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018150446A Expired - Fee Related CN100359597C (zh) | 2000-09-01 | 2001-08-28 | 存储单元构件及生产方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6943393B2 (zh) |
EP (1) | EP1314165B1 (zh) |
JP (1) | JP2004508701A (zh) |
KR (1) | KR100524269B1 (zh) |
CN (1) | CN100359597C (zh) |
DE (2) | DE10043159A1 (zh) |
TW (1) | TW525287B (zh) |
WO (1) | WO2002019338A1 (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10124366A1 (de) * | 2001-05-18 | 2002-11-28 | Infineon Technologies Ag | Verfahren zum Herstellen einer Halbleiterspeichereinrichtung |
US6812040B2 (en) | 2002-03-12 | 2004-11-02 | Freescale Semiconductor, Inc. | Method of fabricating a self-aligned via contact for a magnetic memory element |
US6740588B1 (en) * | 2002-03-29 | 2004-05-25 | Silicon Magnetic Systems | Smooth metal semiconductor surface and method for making the same |
US6815248B2 (en) * | 2002-04-18 | 2004-11-09 | Infineon Technologies Ag | Material combinations for tunnel junction cap layer, tunnel junction hard mask and tunnel junction stack seed layer in MRAM processing |
US6783994B2 (en) | 2002-04-26 | 2004-08-31 | Freescale Semiconductor, Inc. | Method of fabricating a self-aligned magnetic tunneling junction and via contact |
US6635546B1 (en) * | 2002-05-16 | 2003-10-21 | Infineon Technologies Ag | Method and manufacturing MRAM offset cells in a damascene structure |
US6743642B2 (en) * | 2002-11-06 | 2004-06-01 | International Business Machines Corporation | Bilayer CMP process to improve surface roughness of magnetic stack in MRAM technology |
US6784091B1 (en) * | 2003-06-05 | 2004-08-31 | International Business Machines Corporation | Maskless array protection process flow for forming interconnect vias in magnetic random access memory devices |
US7083990B1 (en) * | 2005-01-28 | 2006-08-01 | Infineon Technologies Ag | Method of fabricating MRAM cells |
US7399646B2 (en) * | 2005-08-23 | 2008-07-15 | International Business Machines Corporation | Magnetic devices and techniques for formation thereof |
US20080173975A1 (en) * | 2007-01-22 | 2008-07-24 | International Business Machines Corporation | Programmable resistor, switch or vertical memory cell |
US7859025B2 (en) * | 2007-12-06 | 2010-12-28 | International Business Machines Corporation | Metal ion transistor |
US9780301B1 (en) * | 2016-04-15 | 2017-10-03 | Taiwan Semiconductor Manufacturing Company Ltd. | Method for manufacturing mixed-dimension and void-free MRAM structure |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5940319A (en) * | 1998-08-31 | 1999-08-17 | Motorola, Inc. | Magnetic random access memory and fabricating method thereof |
WO2000038191A1 (en) * | 1998-12-21 | 2000-06-29 | Motorola Inc. | Method of fabricating a magnetic random access memory |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5756366A (en) * | 1995-12-21 | 1998-05-26 | Honeywell Inc. | Magnetic hardening of bit edges of magnetoresistive RAM |
DE19744095A1 (de) * | 1997-10-06 | 1999-04-15 | Siemens Ag | Speicherzellenanordnung |
TW446941B (en) * | 1998-11-19 | 2001-07-21 | Infineon Technologies Ag | Magnetoresistive element |
JP4138254B2 (ja) * | 1999-02-26 | 2008-08-27 | インフィネオン テクノロジーズ アクチエンゲゼルシャフト | 記憶セル構造、およびこれを製造する方法 |
US6165803A (en) * | 1999-05-17 | 2000-12-26 | Motorola, Inc. | Magnetic random access memory and fabricating method thereof |
-
2000
- 2000-09-01 DE DE10043159A patent/DE10043159A1/de not_active Withdrawn
-
2001
- 2001-08-28 CN CNB018150446A patent/CN100359597C/zh not_active Expired - Fee Related
- 2001-08-28 TW TW090121233A patent/TW525287B/zh not_active IP Right Cessation
- 2001-08-28 EP EP01962977A patent/EP1314165B1/de not_active Expired - Lifetime
- 2001-08-28 DE DE50102622T patent/DE50102622D1/de not_active Expired - Lifetime
- 2001-08-28 US US10/343,844 patent/US6943393B2/en not_active Expired - Fee Related
- 2001-08-28 WO PCT/EP2001/009901 patent/WO2002019338A1/de active IP Right Grant
- 2001-08-28 KR KR10-2003-7002808A patent/KR100524269B1/ko not_active IP Right Cessation
- 2001-08-28 JP JP2002524151A patent/JP2004508701A/ja not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5940319A (en) * | 1998-08-31 | 1999-08-17 | Motorola, Inc. | Magnetic random access memory and fabricating method thereof |
WO2000038191A1 (en) * | 1998-12-21 | 2000-06-29 | Motorola Inc. | Method of fabricating a magnetic random access memory |
Also Published As
Publication number | Publication date |
---|---|
DE10043159A1 (de) | 2002-03-21 |
JP2004508701A (ja) | 2004-03-18 |
KR20030064389A (ko) | 2003-07-31 |
DE50102622D1 (de) | 2004-07-22 |
WO2002019338A1 (de) | 2002-03-07 |
US6943393B2 (en) | 2005-09-13 |
EP1314165B1 (de) | 2004-06-16 |
US20040004884A1 (en) | 2004-01-08 |
EP1314165A1 (de) | 2003-05-28 |
TW525287B (en) | 2003-03-21 |
KR100524269B1 (ko) | 2005-10-28 |
CN1451164A (zh) | 2003-10-22 |
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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 | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFINRONG SCIENCE AND TECHNOLOGY CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120917 Address after: Munich, Germany Patentee after: QIMONDA AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151223 Address after: German Berg, Laura Ibiza Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: QIMONDA AG |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20160828 |
|
CF01 | Termination of patent right due to non-payment of annual fee |