WO2001031789A3 - Magnetic logic device having magnetic quantum dots - Google Patents

Magnetic logic device having magnetic quantum dots Download PDF

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Publication number
WO2001031789A3
WO2001031789A3 PCT/GB2000/003915 GB0003915W WO0131789A3 WO 2001031789 A3 WO2001031789 A3 WO 2001031789A3 GB 0003915 W GB0003915 W GB 0003915W WO 0131789 A3 WO0131789 A3 WO 0131789A3
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
logic device
quantum dots
dots
magnetic logic
Prior art date
Application number
PCT/GB2000/003915
Other languages
French (fr)
Other versions
WO2001031789A2 (en
Inventor
Russell Cowburn
Original Assignee
Univ Cambridge Tech
Russell Cowburn
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 Univ Cambridge Tech, Russell Cowburn filed Critical Univ Cambridge Tech
Priority to CA002386426A priority Critical patent/CA2386426A1/en
Priority to US10/111,803 priority patent/US6774391B1/en
Priority to AT00968076T priority patent/ATE305667T1/en
Priority to DE60022900T priority patent/DE60022900T2/en
Priority to JP2001533629A priority patent/JP2003513438A/en
Priority to EP00968076A priority patent/EP1238460B1/en
Priority to AU78036/00A priority patent/AU7803600A/en
Publication of WO2001031789A2 publication Critical patent/WO2001031789A2/en
Publication of WO2001031789A3 publication Critical patent/WO2001031789A3/en
Priority to HK02107128.8A priority patent/HK1046787B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/16—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices
    • H03K19/168—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices using thin-film devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/195—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using superconductive devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
    • G11C2213/70—Resistive array aspects
    • G11C2213/81—Array wherein the array conductors, e.g. word lines, bit lines, are made of nanowires
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/932—Specified use of nanostructure for electronic or optoelectronic application
    • Y10S977/94—Specified use of nanostructure for electronic or optoelectronic application in a logic circuit

Abstract

A logic device formed from at least one chain of dots of magnetic material. Each dot has a width of 200 nm or less and is spaced at a distance that is sufficiently small to ensure magnetic interaction of adjacent dots.
PCT/GB2000/003915 1999-10-25 2000-10-11 Magnetic logic device having magnetic quantum dots WO2001031789A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA002386426A CA2386426A1 (en) 1999-10-25 2000-10-11 Elements logiques magnetiques
US10/111,803 US6774391B1 (en) 1999-10-25 2000-10-11 Magnetic logic element
AT00968076T ATE305667T1 (en) 1999-10-25 2000-10-11 MAGNETIC LOGICAL CIRCUIT WITH MAGNETIC QUANTUM POINTS
DE60022900T DE60022900T2 (en) 1999-10-25 2000-10-11 MAGNETIC LOGICAL CIRCUIT WITH MAGNETIC QUANTUM POINTS
JP2001533629A JP2003513438A (en) 1999-10-25 2000-10-11 Magnetic logic element
EP00968076A EP1238460B1 (en) 1999-10-25 2000-10-11 Magnetic logic device having magnetic quantum dots
AU78036/00A AU7803600A (en) 1999-10-25 2000-10-11 Magnetic logic elements
HK02107128.8A HK1046787B (en) 1999-10-25 2002-09-26 Magnetic logic device having magnetic quantum dots

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9925213.2A GB9925213D0 (en) 1999-10-25 1999-10-25 Magnetic logic elements
GB9925213.2 1999-10-25

Publications (2)

Publication Number Publication Date
WO2001031789A2 WO2001031789A2 (en) 2001-05-03
WO2001031789A3 true WO2001031789A3 (en) 2002-05-23

Family

ID=10863330

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2000/003915 WO2001031789A2 (en) 1999-10-25 2000-10-11 Magnetic logic device having magnetic quantum dots

Country Status (15)

Country Link
US (1) US6774391B1 (en)
EP (1) EP1238460B1 (en)
JP (1) JP2003513438A (en)
KR (1) KR100737992B1 (en)
CN (1) CN1295876C (en)
AT (1) ATE305667T1 (en)
AU (1) AU7803600A (en)
CA (1) CA2386426A1 (en)
DE (1) DE60022900T2 (en)
ES (1) ES2261245T3 (en)
GB (1) GB9925213D0 (en)
HK (1) HK1046787B (en)
RU (1) RU2231214C2 (en)
WO (1) WO2001031789A2 (en)
ZA (1) ZA200203232B (en)

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Also Published As

Publication number Publication date
ATE305667T1 (en) 2005-10-15
HK1046787B (en) 2006-01-06
DE60022900T2 (en) 2006-06-14
JP2003513438A (en) 2003-04-08
KR20020069006A (en) 2002-08-28
GB9925213D0 (en) 1999-12-22
RU2231214C2 (en) 2004-06-20
CN1295876C (en) 2007-01-17
HK1046787A1 (en) 2003-01-24
ES2261245T3 (en) 2006-11-16
CA2386426A1 (en) 2001-05-03
AU7803600A (en) 2001-05-08
EP1238460B1 (en) 2005-09-28
US6774391B1 (en) 2004-08-10
DE60022900D1 (en) 2005-11-03
ZA200203232B (en) 2003-08-26
WO2001031789A2 (en) 2001-05-03
RU2002113658A (en) 2004-02-10
EP1238460A2 (en) 2002-09-11
KR100737992B1 (en) 2007-07-13
CN1390388A (en) 2003-01-08

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