CN1451164A - 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
- CN1451164A CN1451164A CN01815044A CN01815044A CN1451164A CN 1451164 A CN1451164 A CN 1451164A CN 01815044 A CN01815044 A CN 01815044A CN 01815044 A CN01815044 A CN 01815044A CN 1451164 A CN1451164 A CN 1451164A
- Authority
- CN
- China
- Prior art keywords
- layer
- memory cell
- connecting line
- cell component
- memory unit
- 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
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
- 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
-
- 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
-
- 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)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10043159A DE10043159A1 (de) | 2000-09-01 | 2000-09-01 | Speicherzellenanordnung und Verfahren zu deren Herstellung |
DE10043159.3 | 2000-09-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1451164A true CN1451164A (zh) | 2003-10-22 |
CN100359597C 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 |
Family Cites Families (7)
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 |
US5940319A (en) * | 1998-08-31 | 1999-08-17 | Motorola, Inc. | Magnetic random access memory and fabricating method thereof |
TW446941B (en) * | 1998-11-19 | 2001-07-21 | Infineon Technologies Ag | Magnetoresistive element |
US6153443A (en) * | 1998-12-21 | 2000-11-28 | Motorola, Inc. | Method of fabricating a magnetic random access memory |
EP1157388B1 (de) * | 1999-02-26 | 2002-07-31 | Infineon Technologies AG | Speicherzellenanordnung und verfahren zu deren herstellung |
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 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 US US10/343,844 patent/US6943393B2/en not_active Expired - Fee Related
- 2001-08-28 CN CNB018150446A patent/CN100359597C/zh not_active Expired - Fee Related
- 2001-08-28 JP JP2002524151A patent/JP2004508701A/ja not_active Ceased
- 2001-08-28 DE DE50102622T patent/DE50102622D1/de not_active Expired - Lifetime
- 2001-08-28 KR KR10-2003-7002808A patent/KR100524269B1/ko not_active IP Right Cessation
- 2001-08-28 WO PCT/EP2001/009901 patent/WO2002019338A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US6943393B2 (en) | 2005-09-13 |
EP1314165B1 (de) | 2004-06-16 |
JP2004508701A (ja) | 2004-03-18 |
EP1314165A1 (de) | 2003-05-28 |
KR100524269B1 (ko) | 2005-10-28 |
TW525287B (en) | 2003-03-21 |
DE50102622D1 (de) | 2004-07-22 |
CN100359597C (zh) | 2008-01-02 |
DE10043159A1 (de) | 2002-03-21 |
US20040004884A1 (en) | 2004-01-08 |
WO2002019338A1 (de) | 2002-03-07 |
KR20030064389A (ko) | 2003-07-31 |
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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 |