CN113961983A - 一种磁存储器及数据选通销毁方法 - Google Patents
一种磁存储器及数据选通销毁方法 Download PDFInfo
- Publication number
- CN113961983A CN113961983A CN202111412465.4A CN202111412465A CN113961983A CN 113961983 A CN113961983 A CN 113961983A CN 202111412465 A CN202111412465 A CN 202111412465A CN 113961983 A CN113961983 A CN 113961983A
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- Prior art keywords
- tunnel junction
- destruction
- magnetic tunnel
- magnetic
- layer
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000006378 damage Effects 0.000 claims abstract description 118
- 230000005669 field effect Effects 0.000 claims abstract description 47
- 230000008859 change Effects 0.000 claims description 22
- 230000004044 response Effects 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 7
- 230000005684 electric field Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 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
- 238000001659 ion-beam spectroscopy Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/80—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
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- 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
- G11C11/165—Auxiliary circuits
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- 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
- G11C11/165—Auxiliary circuits
- G11C11/1673—Reading or sensing circuits or methods
-
- 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
- G11C11/165—Auxiliary circuits
- G11C11/1695—Protection circuits or methods
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111412465.4A CN113961983A (zh) | 2021-11-25 | 2021-11-25 | 一种磁存储器及数据选通销毁方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111412465.4A CN113961983A (zh) | 2021-11-25 | 2021-11-25 | 一种磁存储器及数据选通销毁方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113961983A true CN113961983A (zh) | 2022-01-21 |
Family
ID=79471968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111412465.4A Pending CN113961983A (zh) | 2021-11-25 | 2021-11-25 | 一种磁存储器及数据选通销毁方法 |
Country Status (1)
Country | Link |
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CN (1) | CN113961983A (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107134292A (zh) * | 2017-04-01 | 2017-09-05 | 中国科学院物理研究所 | 可编程多功能自旋逻辑电路 |
CN112086113A (zh) * | 2019-06-14 | 2020-12-15 | 中电海康集团有限公司 | 用于读取存储单元的电阻状态的读电路 |
CN113362870A (zh) * | 2020-03-03 | 2021-09-07 | 恩智浦美国有限公司 | 具有otp单元的mram存储器 |
CN113451505A (zh) * | 2021-02-25 | 2021-09-28 | 北京航空航天大学 | 磁性随机存储单元、存储器及设备 |
-
2021
- 2021-11-25 CN CN202111412465.4A patent/CN113961983A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107134292A (zh) * | 2017-04-01 | 2017-09-05 | 中国科学院物理研究所 | 可编程多功能自旋逻辑电路 |
CN112086113A (zh) * | 2019-06-14 | 2020-12-15 | 中电海康集团有限公司 | 用于读取存储单元的电阻状态的读电路 |
CN113362870A (zh) * | 2020-03-03 | 2021-09-07 | 恩智浦美国有限公司 | 具有otp单元的mram存储器 |
CN113451505A (zh) * | 2021-02-25 | 2021-09-28 | 北京航空航天大学 | 磁性随机存储单元、存储器及设备 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Jin Hui Inventor after: Yin Jialiang Inventor before: Jin Hui Inventor before: Yin Jialiang |
|
CB03 | Change of inventor or designer information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20231217 Address after: Room 1605, Building 1, No. 117 Yingshan Red Road, Huangdao District, Qingdao City, Shandong Province, 266400 Applicant after: Qingdao Haicun Microelectronics Co.,Ltd. Address before: 100191 rooms 504a and 504b, 5th floor, 23 Zhichun Road, Haidian District, Beijing Applicant before: Zhizhen storage (Beijing) Technology Co.,Ltd. |
|
TA01 | Transfer of patent application right |