DE69729761D1 - Magnetische Zusammensetzung - Google Patents

Magnetische Zusammensetzung

Info

Publication number
DE69729761D1
DE69729761D1 DE69729761T DE69729761T DE69729761D1 DE 69729761 D1 DE69729761 D1 DE 69729761D1 DE 69729761 T DE69729761 T DE 69729761T DE 69729761 T DE69729761 T DE 69729761T DE 69729761 D1 DE69729761 D1 DE 69729761D1
Authority
DE
Germany
Prior art keywords
magnetic composition
encased
composition
largest dimension
ferrite particles
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
DE69729761T
Other languages
English (en)
Other versions
DE69729761T2 (de
Inventor
Eric Leigh Mayes
Malvin Nicolas Tyler
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.)
NanoMagnetics Ltd
Original Assignee
NanoMagnetics 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 NanoMagnetics Ltd filed Critical NanoMagnetics Ltd
Publication of DE69729761D1 publication Critical patent/DE69729761D1/de
Application granted granted Critical
Publication of DE69729761T2 publication Critical patent/DE69729761T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
    • C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/712—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the surface treatment or coating of magnetic particles
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/855—Coating only part of a support with a magnetic layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H01F1/0045—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use
    • H01F1/0063—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use in a non-magnetic matrix, e.g. granular solids
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/714—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the dimension of the magnetic particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H01F1/0045—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use
    • H01F1/0054—Coated nanoparticles, e.g. nanoparticles coated with organic surfactant
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nanotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Zoology (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Seal Device For Vehicle (AREA)
  • Soft Magnetic Materials (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Paints Or Removers (AREA)
  • Magnetically Actuated Valves (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)
DE69729761T 1996-11-16 1997-11-17 Magnetische Zusammensetzung Expired - Fee Related DE69729761T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9623851A GB2319253A (en) 1996-11-16 1996-11-16 Composition, for use in a device, comprising a magnetic layer of domain-separated magnetic particles
GB9623851 1996-11-16

Publications (2)

Publication Number Publication Date
DE69729761D1 true DE69729761D1 (de) 2004-08-05
DE69729761T2 DE69729761T2 (de) 2005-07-14

Family

ID=10803041

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69714602T Expired - Fee Related DE69714602T2 (de) 1996-11-16 1997-11-17 Magnetisierbare vorrichtung
DE69729761T Expired - Fee Related DE69729761T2 (de) 1996-11-16 1997-11-17 Magnetische Zusammensetzung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69714602T Expired - Fee Related DE69714602T2 (de) 1996-11-16 1997-11-17 Magnetisierbare vorrichtung

Country Status (13)

Country Link
US (1) US6896957B1 (de)
EP (2) EP1217616B1 (de)
JP (1) JP2001504277A (de)
KR (1) KR100477428B1 (de)
CN (2) CN1532854A (de)
AT (2) ATE222017T1 (de)
AU (1) AU4960097A (de)
BR (1) BR9713083A (de)
CA (1) CA2271970A1 (de)
DE (2) DE69714602T2 (de)
GB (1) GB2319253A (de)
HK (1) HK1022207A1 (de)
WO (1) WO1998022942A1 (de)

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TW569195B (en) 2001-01-24 2004-01-01 Matsushita Electric Ind Co Ltd Micro-particle arranged body, its manufacturing method, and device using the same
US7248446B2 (en) 2001-11-27 2007-07-24 Seagate Technology Llc Magnetoresistive element using an organic nonmagnetic layer
US7282710B1 (en) 2002-01-02 2007-10-16 International Business Machines Corporation Scanning probe microscopy tips composed of nanoparticles and methods to form same
US6897650B2 (en) 2002-02-11 2005-05-24 International Business Machines Corporation Magnetic-field sensor device
EP1339075A1 (de) * 2002-02-25 2003-08-27 Motorola, Inc. Magnetische Nanomaterialien und Herstellungsverfahren
JP2003257719A (ja) 2002-02-27 2003-09-12 Fuji Photo Film Co Ltd 硬磁性規則合金相ナノ粒子の製造方法
US20050064508A1 (en) 2003-09-22 2005-03-24 Semzyme Peptide mediated synthesis of metallic and magnetic materials
JP3703479B2 (ja) * 2002-09-20 2005-10-05 松下電器産業株式会社 ナノ粒子の製造方法及び該製造方法によって製造されたナノ粒子
GB2393729A (en) * 2002-10-04 2004-04-07 Nanomagnetics Ltd Semiconductor nanoparticles
GB2393728A (en) * 2002-10-04 2004-04-07 Nanomagnetics Ltd Magnetic nanoparticles
JP3640388B2 (ja) * 2002-10-29 2005-04-20 独立行政法人農業生物資源研究所 標識された核酸またはタンパク質の製造方法
JP2004152385A (ja) 2002-10-30 2004-05-27 Fuji Photo Film Co Ltd 磁気記録媒体
GB2399541A (en) * 2003-03-18 2004-09-22 Nanomagnetics Ltd Production of nanoparticulate thin films
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WO2013158635A1 (en) * 2012-04-16 2013-10-24 The Board Of Trustees Of The University Of Alabama For And On Behalf Of The University Of Alabama Non-rare earth magnets having manganese (mn) and bismuth (bi) alloyed with cobalt (co)

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Also Published As

Publication number Publication date
CA2271970A1 (en) 1998-05-28
CN1133979C (zh) 2004-01-07
KR20000053057A (ko) 2000-08-25
JP2001504277A (ja) 2001-03-27
EP0938728B1 (de) 2002-08-07
KR100477428B1 (ko) 2005-03-23
WO1998022942A1 (en) 1998-05-28
CN1238059A (zh) 1999-12-08
ATE270457T1 (de) 2004-07-15
EP1217616A3 (de) 2002-09-11
EP1217616A2 (de) 2002-06-26
BR9713083A (pt) 2000-01-18
EP1217616B1 (de) 2004-06-30
DE69714602D1 (de) 2002-09-12
GB9623851D0 (en) 1997-01-08
GB2319253A (en) 1998-05-20
CN1532854A (zh) 2004-09-29
AU4960097A (en) 1998-06-10
US6896957B1 (en) 2005-05-24
DE69714602T2 (de) 2003-04-03
HK1022207A1 (en) 2000-07-28
ATE222017T1 (de) 2002-08-15
EP0938728A1 (de) 1999-09-01
DE69729761T2 (de) 2005-07-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee