GB2449094B - Data storage device and method - Google Patents

Data storage device and method

Info

Publication number
GB2449094B
GB2449094B GB0708957A GB0708957A GB2449094B GB 2449094 B GB2449094 B GB 2449094B GB 0708957 A GB0708957 A GB 0708957A GB 0708957 A GB0708957 A GB 0708957A GB 2449094 B GB2449094 B GB 2449094B
Authority
GB
United Kingdom
Prior art keywords
storage device
data storage
data
storage
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
Application number
GB0708957A
Other versions
GB2449094A (en
GB0708957D0 (en
Inventor
Russell Paul Cowburn
Dorothee Petit
Dan Read
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ingenia Holdings Ltd
Original Assignee
Ingenia Holdings Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ingenia Holdings Ltd filed Critical Ingenia Holdings Ltd
Priority to GB0708957A priority Critical patent/GB2449094B/en
Publication of GB0708957D0 publication Critical patent/GB0708957D0/en
Priority to EP08718936A priority patent/EP2153445A1/en
Priority to JP2010506986A priority patent/JP2010528455A/en
Priority to PCT/GB2008/001116 priority patent/WO2008139131A1/en
Priority to CN200880015220A priority patent/CN101681680A/en
Publication of GB2449094A publication Critical patent/GB2449094A/en
Application granted granted Critical
Publication of GB2449094B publication Critical patent/GB2449094B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • G11C11/161—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 details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
    • 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
    • G11C11/1675—Writing or programming circuits or methods
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
    • G11C19/0816—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation using a rotating or alternating coplanar magnetic field
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0858—Generating, replicating or annihilating magnetic domains (also comprising different types of magnetic domains, e.g. "Hard Bubbles")

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Hall/Mr Elements (AREA)
GB0708957A 2007-05-09 2007-05-09 Data storage device and method Expired - Fee Related GB2449094B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB0708957A GB2449094B (en) 2007-05-09 2007-05-09 Data storage device and method
EP08718936A EP2153445A1 (en) 2007-05-09 2008-03-31 Data storage device and method
JP2010506986A JP2010528455A (en) 2007-05-09 2008-03-31 Data storage device and data storage method
PCT/GB2008/001116 WO2008139131A1 (en) 2007-05-09 2008-03-31 Data storage device and method
CN200880015220A CN101681680A (en) 2007-05-09 2008-03-31 Data storage device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0708957A GB2449094B (en) 2007-05-09 2007-05-09 Data storage device and method

Publications (3)

Publication Number Publication Date
GB0708957D0 GB0708957D0 (en) 2007-06-20
GB2449094A GB2449094A (en) 2008-11-12
GB2449094B true GB2449094B (en) 2009-08-05

Family

ID=38219135

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0708957A Expired - Fee Related GB2449094B (en) 2007-05-09 2007-05-09 Data storage device and method

Country Status (2)

Country Link
JP (1) JP2010528455A (en)
GB (1) GB2449094B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201117446D0 (en) 2011-10-10 2011-11-23 Univ York Method of pinning domain walls in a nanowire magnetic memory device
US8923039B2 (en) 2012-11-06 2014-12-30 International Business Machines Corporation Multiple bit nonvolatile memory based on current induced domain wall motion in a nanowire magnetic tunnel junction
US8772889B2 (en) 2012-11-20 2014-07-08 International Business Machines Corporation Magnetic domain wall shift register memory device readout
JP6397237B2 (en) * 2014-07-07 2018-09-26 日本放送協会 Magnetic recording medium device, magnetic recording / reproducing method, spatial light modulator, and pixel driving method thereof
JP6523934B2 (en) * 2015-12-04 2019-06-05 日本放送協会 Magnetic recording medium and magnetic recording medium device
JP7344550B2 (en) 2018-12-19 2023-09-14 ユニチカ株式会社 Method for producing iron-nickel nanowires
CN110071213B (en) * 2019-04-08 2023-06-02 三峡大学 Logic device based on magnetic domain wall pinning and unpin behaviors

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435074A (en) * 1973-03-26 1976-05-12 Ibm Domain wall information storage
GB1507566A (en) * 1974-08-08 1978-04-19 Basf Ag Magnetic thin film storage device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435074A (en) * 1973-03-26 1976-05-12 Ibm Domain wall information storage
GB1507566A (en) * 1974-08-08 1978-04-19 Basf Ag Magnetic thin film storage device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Control of domain wall pinning by a switchable magnetic gate" Hara M, Shibata J, Kimura T, Otani Y. Applied Physics Letters, Volume 89, 192504 (2006) *
"Magnetic Domain Studies of Permalloy Wire-Based Structures with Junctions" Hirohata A, Yao CC, Leung HT, Xu YU, Guertler CM and Bland JAC. IEEE Transactions on Magnetics, Vol 36, No 5. Spetember 2000 *

Also Published As

Publication number Publication date
GB2449094A (en) 2008-11-12
JP2010528455A (en) 2010-08-19
GB0708957D0 (en) 2007-06-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110509