FR2463490B1 - Composants magnetiques composes de particules ferromagnetiques incorporees dans une matrice en un polymere solidifie et procedes de fabrication - Google Patents

Composants magnetiques composes de particules ferromagnetiques incorporees dans une matrice en un polymere solidifie et procedes de fabrication

Info

Publication number
FR2463490B1
FR2463490B1 FR7920927A FR7920927A FR2463490B1 FR 2463490 B1 FR2463490 B1 FR 2463490B1 FR 7920927 A FR7920927 A FR 7920927A FR 7920927 A FR7920927 A FR 7920927A FR 2463490 B1 FR2463490 B1 FR 2463490B1
Authority
FR
France
Prior art keywords
matrix
manufacture
methods
magnetic components
ferromagnetic 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 - Lifetime
Application number
FR7920927A
Other languages
English (en)
Other versions
FR2463490A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7920927A priority Critical patent/FR2463490B1/fr
Publication of FR2463490A1 publication Critical patent/FR2463490A1/fr
Application granted granted Critical
Publication of FR2463490B1 publication Critical patent/FR2463490B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/08—Muscles; Tendons; Ligaments
    • 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
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/083—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
    • 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
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent
    • H01F1/117—Flexible bodies
    • 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
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/28—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent
    • 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
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
    • H01F1/37—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
    • H01F1/375—Flexible bodies
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/009—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Transplantation (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Rheumatology (AREA)
  • Rehabilitation Therapy (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
FR7920927A 1979-08-14 1979-08-14 Composants magnetiques composes de particules ferromagnetiques incorporees dans une matrice en un polymere solidifie et procedes de fabrication Expired - Lifetime FR2463490B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7920927A FR2463490B1 (fr) 1979-08-14 1979-08-14 Composants magnetiques composes de particules ferromagnetiques incorporees dans une matrice en un polymere solidifie et procedes de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7920927A FR2463490B1 (fr) 1979-08-14 1979-08-14 Composants magnetiques composes de particules ferromagnetiques incorporees dans une matrice en un polymere solidifie et procedes de fabrication

Publications (2)

Publication Number Publication Date
FR2463490A1 FR2463490A1 (fr) 1981-02-20
FR2463490B1 true FR2463490B1 (fr) 1990-08-31

Family

ID=9228937

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7920927A Expired - Lifetime FR2463490B1 (fr) 1979-08-14 1979-08-14 Composants magnetiques composes de particules ferromagnetiques incorporees dans une matrice en un polymere solidifie et procedes de fabrication

Country Status (1)

Country Link
FR (1) FR2463490B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093545A3 (fr) * 1982-04-21 1986-11-20 University of Strathclyde Capteur de déplacement
WO1984000305A1 (fr) * 1982-07-20 1984-02-02 Mallinckrodt Robert R Utilisation et application de champs magnetiques negatifs dans une matrice flexible pour l'obtention d'un etat d'analgesie dans un tissu animal
GB8402360D0 (en) * 1984-01-30 1984-02-29 Picker Int Ltd Nmr shims
DE3719705A1 (de) * 1986-06-13 1987-12-17 Olympus Optical Co Vorrichtung zum hyperthermalen erhitzen des koerperinneren
JPH07252367A (ja) * 1994-03-16 1995-10-03 Dow Corning Kk オルガノポリシロキサン樹脂をマトリックス材料とする機能性素子の製造方法
CN110305484A (zh) * 2019-07-25 2019-10-08 电子科技大学 高透过率磁流变弹性体薄膜的制备方法与应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB758320A (en) * 1953-11-30 1956-10-03 Csf Improvements in or relating to non-metallic magnetic material and its process of manufacture
DE2137487A1 (de) * 1971-07-27 1973-02-01 Licentia Gmbh Flexibler ferritkeeper
JPS5085897A (fr) * 1973-12-03 1975-07-10
GB2003055B (en) * 1977-05-24 1982-01-13 Magnetic Polymers Ltd Milling alloys for bonded magnets
DE2733580A1 (de) * 1977-07-26 1979-02-08 Vacuumschmelze Gmbh Elektroakustischer wandler

Also Published As

Publication number Publication date
FR2463490A1 (fr) 1981-02-20

Similar Documents

Publication Publication Date Title
FR2484281B1 (fr) Procede de preparation de microspheres comportant un noyau solide et une matiere polymere
RO71467A (fr) Procede d'encapsulage des materiaux divises en fines particules
FR2463490B1 (fr) Composants magnetiques composes de particules ferromagnetiques incorporees dans une matrice en un polymere solidifie et procedes de fabrication
AR224892A1 (es) Aparato para introducir material en forma de particulas y un gas dentro de un reactor en forma de suspension bien distribuida
IT1164105B (it) Magnete permanente legato a matrice comprendente particelle magnetiche altamente allineate
FR2327713A7 (fr) Procede de mise en place et d'echange des elements des filtres pour matieres en suspension dans des installations nucleaires et chassis pour la mise en oeuvre de ce procede
AU2093376A (en) Separtion of particles of different density with magnetic fluids
BR8100021A (pt) Dispositivo para a desintegracao e distribuicao de particulas solidas na forma em po
DE2861871D1 (en) Polyadducts containing phosphorus and their application in the flameproofing of textile materials
FR2336979A1 (fr) Procede de separation de particules a l'aide d'un champ magnetique
DK153125C (da) Sigteapparat til at skille et partikelformet blandingsmateriale i bestanddele med forskellig partikelstoerrelse
FR2322647A1 (fr) Systeme de distribution d'un fluide dans un lit de matiere granulaire
JPS5285018A (en) Simple mold assemblage casting method and melt flowing precision casting
FR2311952A1 (fr) Procede d'assemblage de pieces dans un logement
DK189883D0 (da) Forbedret apparatur til vask og granulometrisk separation af faste materialer i suspension
BE883936A (fr) Procede d'enrichissement d'un isotope dans un melange d'isotopes d'uranium
SE445976B (sv) Forfarande for atervinning och ateranvendning av returstromtvettvetska for ett med jonbytarhartspartiklar overdraget filter
JPS55159438A (en) Photographic element having magnetic recording stripe and producing same
BE837917A (fr) Frein de stationnement du genre a disques pour vehicules et notamment les tracteurs agricoles
Keilty THE EFFECT OF INSTRUCTION AND SUPERVISION IN INTERACTION ANALYSIS ON THE PREPARATION OF STUDENT-TEACHERS.
SE435431B (sv) Oxidisk kernbrenslematerialkomposition i form av pressade brenslestycken innehallande minst en klyvbar isotop
FR2273609A1 (fr) Procede de fabrication de moules et parties de moules en matiere granulaire liee au polyurethanne
BE757169A (fr) Particules ferromagnetiques enrobees de matiere polymere et leur preparation
NO772814L (no) Fremgangsmaate og apparat for adskillelse av partikler suspendert i et medium
BR8103109A (pt) Aglomerados em forma de granulado e um processo para sua preparacao

Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
TP Transmission of property
TP Transmission of property
BR Restoration of rights
ST Notification of lapse
RC Opposition against decision of lapse
DA Annulment of decision of lapse
ST Notification of lapse