EP1844470A4 - Magnetic memory composition and method of manufacture - Google Patents

Magnetic memory composition and method of manufacture

Info

Publication number
EP1844470A4
EP1844470A4 EP06704073A EP06704073A EP1844470A4 EP 1844470 A4 EP1844470 A4 EP 1844470A4 EP 06704073 A EP06704073 A EP 06704073A EP 06704073 A EP06704073 A EP 06704073A EP 1844470 A4 EP1844470 A4 EP 1844470A4
Authority
EP
European Patent Office
Prior art keywords
manufacture
magnetic memory
memory composition
composition
magnetic
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.)
Withdrawn
Application number
EP06704073A
Other languages
German (de)
French (fr)
Other versions
EP1844470A1 (en
Inventor
Stephane Aouba
Harry Ruda
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.)
University of Toronto
Original Assignee
University of Toronto
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
Priority claimed from US11/189,822 external-priority patent/US20060023496A1/en
Application filed by University of Toronto filed Critical University of Toronto
Publication of EP1844470A1 publication Critical patent/EP1844470A1/en
Publication of EP1844470A4 publication Critical patent/EP1844470A4/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • G11C11/18—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using Hall-effect devices
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/01—Manufacture or treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/003—Printed circuit coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Hall/Mr Elements (AREA)
EP06704073A 2005-01-31 2006-01-31 Magnetic memory composition and method of manufacture Withdrawn EP1844470A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US64780905P 2005-01-31 2005-01-31
US11/189,822 US20060023496A1 (en) 2004-07-27 2005-07-27 Tunable magnetic switch
US75203505P 2005-12-21 2005-12-21
PCT/CA2006/000113 WO2006079215A1 (en) 2005-01-31 2006-01-31 Magnetic memory composition and method of manufacture

Publications (2)

Publication Number Publication Date
EP1844470A1 EP1844470A1 (en) 2007-10-17
EP1844470A4 true EP1844470A4 (en) 2009-12-02

Family

ID=36740005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06704073A Withdrawn EP1844470A4 (en) 2005-01-31 2006-01-31 Magnetic memory composition and method of manufacture

Country Status (4)

Country Link
EP (1) EP1844470A4 (en)
AU (1) AU2006208470A1 (en)
CA (1) CA2596128A1 (en)
WO (1) WO2006079215A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5075247A (en) * 1990-01-18 1991-12-24 Microunity Systems Engineering, Inc. Method of making hall effect semiconductor memory cell
WO1994003899A1 (en) * 1992-08-05 1994-02-17 Lienau Richard M Nonvolatile random access memory
EP1028474A2 (en) * 1998-12-22 2000-08-16 Pageant Technologies Incorporated Hall effect ferromagnetic random access memory device and its method of manufacture
WO2002033705A2 (en) * 2000-10-20 2002-04-25 James Stephenson Non-volatile magnetic memory device
JP2003142752A (en) * 2001-11-01 2003-05-16 Asahi Kasei Corp Manufacturing method of magnetic sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003208784A (en) * 2002-01-10 2003-07-25 Nec Corp Nonvolatile magnetic storage device
US6771533B2 (en) * 2002-08-27 2004-08-03 Micron Technology, Inc. Magnetic non-volatile memory coil layout architecture and process integration scheme
AU2003296063A1 (en) * 2002-12-25 2004-07-22 Matsushita Electric Industrial Co., Ltd. Magnetic switching device and magnetic memory

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5075247A (en) * 1990-01-18 1991-12-24 Microunity Systems Engineering, Inc. Method of making hall effect semiconductor memory cell
WO1994003899A1 (en) * 1992-08-05 1994-02-17 Lienau Richard M Nonvolatile random access memory
EP1028474A2 (en) * 1998-12-22 2000-08-16 Pageant Technologies Incorporated Hall effect ferromagnetic random access memory device and its method of manufacture
WO2002033705A2 (en) * 2000-10-20 2002-04-25 James Stephenson Non-volatile magnetic memory device
JP2003142752A (en) * 2001-11-01 2003-05-16 Asahi Kasei Corp Manufacturing method of magnetic sensor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DAS KANUNGO P; IMRE A; BIN W; ORLOV A; SNIDER G; POROD W; CARTER N P: "Gated hybrid Hall effect device on silicon", MICROELECTRONICS JOURNAL, MACKINTOSH PUBLICATIONS LTD. LUTON, GB, vol. 36, no. 3-6, 1 March 2005 (2005-03-01), pages 294 - 297, XP025375511, ISSN: 0026-2692, [retrieved on 20050301] *
See also references of WO2006079215A1 *

Also Published As

Publication number Publication date
AU2006208470A1 (en) 2006-08-03
CA2596128A1 (en) 2006-08-03
EP1844470A1 (en) 2007-10-17
WO2006079215A1 (en) 2006-08-03

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070731

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20091029

RIC1 Information provided on ipc code assigned before grant

Ipc: G11C 7/10 20060101ALI20091023BHEP

Ipc: G11C 11/14 20060101AFI20091023BHEP

Ipc: G11C 11/02 20060101ALI20091023BHEP

Ipc: G11C 11/18 20060101ALI20091023BHEP

17Q First examination report despatched

Effective date: 20100111

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20110427