CN100547677C - 具有磁场传感器的mram芯片的非均匀屏蔽 - Google Patents
具有磁场传感器的mram芯片的非均匀屏蔽 Download PDFInfo
- Publication number
- CN100547677C CN100547677C CNB2004800346574A CN200480034657A CN100547677C CN 100547677 C CN100547677 C CN 100547677C CN B2004800346574 A CNB2004800346574 A CN B2004800346574A CN 200480034657 A CN200480034657 A CN 200480034657A CN 100547677 C CN100547677 C CN 100547677C
- Authority
- CN
- China
- Prior art keywords
- magnetic field
- magnetoresistive memory
- array
- field sensor
- elements
- 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
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
- G11C11/14—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Semiconductor Memories (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03104343 | 2003-11-24 | ||
EP03104343.3 | 2003-11-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1886800A CN1886800A (zh) | 2006-12-27 |
CN100547677C true CN100547677C (zh) | 2009-10-07 |
Family
ID=34610130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800346574A Expired - Fee Related CN100547677C (zh) | 2003-11-24 | 2004-11-09 | 具有磁场传感器的mram芯片的非均匀屏蔽 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7359233B2 (zh) |
EP (1) | EP1690262B1 (zh) |
JP (1) | JP2007513502A (zh) |
KR (1) | KR20070001065A (zh) |
CN (1) | CN100547677C (zh) |
AT (1) | ATE456137T1 (zh) |
DE (1) | DE602004025272D1 (zh) |
TW (1) | TW200540867A (zh) |
WO (1) | WO2005050659A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10218785A1 (de) * | 2002-04-26 | 2003-11-13 | Infineon Technologies Ag | Halbleiterspeichereinrichtung und Betriebsverfahren für eine Halbleiterspeichereinrichtung |
US7324369B2 (en) * | 2005-06-30 | 2008-01-29 | Freescale Semiconductor, Inc. | MRAM embedded smart power integrated circuits |
US8576641B1 (en) * | 2010-02-26 | 2013-11-05 | Xilinx, Inc. | Method of and circuit for providing non-volatile memory in an integrated circuit |
WO2012166910A1 (en) | 2011-05-31 | 2012-12-06 | Everspin Technologies, Inc. | Mram field disturb detection and recovery |
US9627024B2 (en) | 2013-09-19 | 2017-04-18 | University of Pittsburgh—of the Commonwealth System of Higher Education | Magnetic-assisted nondestructive self-reference sensing method for spin-transfer torque random access memory |
TWI479171B (zh) * | 2013-11-29 | 2015-04-01 | Ching Ray Chang | 磁場感測裝置及方法 |
KR102235609B1 (ko) | 2014-12-08 | 2021-04-02 | 삼성전자주식회사 | Mram 기반의 프레임 버퍼링 장치, 그 장치를 포함하는 디스플레이 구동 장치 및 디스플레이 장치 |
US11139341B2 (en) * | 2018-06-18 | 2021-10-05 | Taiwan Semiconductor Manufacturing Company, Ltd. | Protection of MRAM from external magnetic field using magnetic-field-shielding structure |
US11088083B2 (en) | 2018-06-29 | 2021-08-10 | Taiwan Semiconductor Manufacturing Company, Ltd. | DC and AC magnetic field protection for MRAM device using magnetic-field-shielding structure |
CN114200360B (zh) * | 2021-11-10 | 2023-08-15 | 北京自动化控制设备研究所 | 三维线圈磁场均匀性测试方法及系统 |
CN117672285A (zh) * | 2022-08-30 | 2024-03-08 | 华为技术有限公司 | 一种芯片及电子设备 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000010023A1 (en) * | 1998-08-14 | 2000-02-24 | Koninklijke Philips Electronics N.V. | Magnetic field sensor comprising a spin tunneling junction element |
US6872993B1 (en) * | 1999-05-25 | 2005-03-29 | Micron Technology, Inc. | Thin film memory device having local and external magnetic shielding |
JP2002171013A (ja) * | 2000-12-04 | 2002-06-14 | Sony Corp | 磁気抵抗効果素子および磁気抵抗効果型磁気ヘッド |
US6747301B1 (en) * | 2002-02-06 | 2004-06-08 | Western Digital (Fremont), Inc. | Spin dependent tunneling barriers formed with a magnetic alloy |
US6999339B2 (en) * | 2003-04-22 | 2006-02-14 | Micron Technology, Inc. | Integrated circuit including sensor to sense environmental data, method of compensating an MRAM integrated circuit for the effects of an external magnetic field, MRAM integrated circuit, and method of testing |
WO2006044244A2 (en) * | 2004-10-12 | 2006-04-27 | Nve Corporataion | Thermomagnetically assisted spin-momentum-transfer switching memory |
-
2004
- 2004-11-09 CN CNB2004800346574A patent/CN100547677C/zh not_active Expired - Fee Related
- 2004-11-09 JP JP2006540692A patent/JP2007513502A/ja not_active Withdrawn
- 2004-11-09 KR KR1020067010071A patent/KR20070001065A/ko not_active Application Discontinuation
- 2004-11-09 AT AT04799098T patent/ATE456137T1/de not_active IP Right Cessation
- 2004-11-09 EP EP04799098A patent/EP1690262B1/en active Active
- 2004-11-09 WO PCT/IB2004/052358 patent/WO2005050659A1/en not_active Application Discontinuation
- 2004-11-09 US US10/579,929 patent/US7359233B2/en active Active
- 2004-11-09 DE DE602004025272T patent/DE602004025272D1/de active Active
- 2004-11-19 TW TW093135697A patent/TW200540867A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
JP2007513502A (ja) | 2007-05-24 |
TW200540867A (en) | 2005-12-16 |
CN1886800A (zh) | 2006-12-27 |
DE602004025272D1 (de) | 2010-03-11 |
KR20070001065A (ko) | 2007-01-03 |
EP1690262B1 (en) | 2010-01-20 |
WO2005050659A1 (en) | 2005-06-02 |
ATE456137T1 (de) | 2010-02-15 |
EP1690262A1 (en) | 2006-08-16 |
US20070103967A1 (en) | 2007-05-10 |
US7359233B2 (en) | 2008-04-15 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20071019 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20071019 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20201109 |