EP1445778A3 - Poudre magnétique électroconducteur - Google Patents

Poudre magnétique électroconducteur Download PDF

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Publication number
EP1445778A3
EP1445778A3 EP04001172A EP04001172A EP1445778A3 EP 1445778 A3 EP1445778 A3 EP 1445778A3 EP 04001172 A EP04001172 A EP 04001172A EP 04001172 A EP04001172 A EP 04001172A EP 1445778 A3 EP1445778 A3 EP 1445778A3
Authority
EP
European Patent Office
Prior art keywords
electrically conductive
magnetic powder
conductive magnetic
electrical
powder
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Withdrawn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
EP04001172A
Other languages
German (de)
English (en)
Other versions
EP1445778A2 (fr
Inventor
Frank Dietrich
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.)
Metallux AG
Original Assignee
Metallux AG
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 DE2003104794 external-priority patent/DE10304794B4/de
Priority claimed from DE2003123765 external-priority patent/DE10323765B4/de
Application filed by Metallux AG filed Critical Metallux AG
Publication of EP1445778A2 publication Critical patent/EP1445778A2/fr
Publication of EP1445778A3 publication Critical patent/EP1445778A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/14—Conductive material dispersed in non-conductive inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/14—Conductive material dispersed in non-conductive inorganic material
    • H01B1/18—Conductive material dispersed in non-conductive inorganic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/06526—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of metals
    • 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
    • H01F1/061—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 with a protective 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
    • H01F1/01—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
    • 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
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/02—Details
    • H01H29/04—Contacts; Containers for liquid contacts
    • H01H29/06—Liquid contacts characterised by the material thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H2036/0086—Movable or fixed contacts formed by permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Adjustable Resistors (AREA)
  • Hard Magnetic Materials (AREA)
  • Conductive Materials (AREA)
EP04001172A 2003-02-05 2004-01-21 Poudre magnétique électroconducteur Withdrawn EP1445778A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2003104794 DE10304794B4 (de) 2003-02-05 2003-02-05 Verwendung einer elektrisch leitenden, magnetischen Flüssigkeit
DE10304794 2003-02-05
DE10323765 2003-05-22
DE2003123765 DE10323765B4 (de) 2003-05-22 2003-05-22 Elektrisches Bauteil und Verwendung eines elektrisch leitenden, magnetischen Pulvers

Publications (2)

Publication Number Publication Date
EP1445778A2 EP1445778A2 (fr) 2004-08-11
EP1445778A3 true EP1445778A3 (fr) 2005-05-04

Family

ID=32657782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04001172A Withdrawn EP1445778A3 (fr) 2003-02-05 2004-01-21 Poudre magnétique électroconducteur

Country Status (2)

Country Link
US (1) US20040155228A1 (fr)
EP (1) EP1445778A3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005003741B4 (de) * 2004-06-26 2007-06-06 Alfmeier Präzision AG Baugruppen und Systemlösungen Füllstandsgeber für einen Tank
DE102007028663A1 (de) * 2007-06-21 2008-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Magnetorheologische Kompositmaterialien mit hartmagnetischen Partikeln, Verfahren zu deren Herstellung sowie deren Verwendung
DE102012201466A1 (de) * 2012-02-01 2013-08-01 Robert Bosch Gmbh Tankstandsgeber

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0354131A2 (fr) * 1988-08-05 1990-02-07 Potters Industries, Inc. Système de revêtement de particules de ferrite et écran électromagnétique
JPH0428203A (ja) * 1990-05-23 1992-01-30 Matsushita Electric Ind Co Ltd 無接触ポテンショメータ
US6290868B1 (en) * 1999-05-27 2001-09-18 Sandia Corporation Field-structured material media and methods for synthesis thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4292615A (en) * 1977-06-07 1981-09-29 Shigeo Ohashi Switching element
EP0100896B1 (fr) * 1982-07-19 1988-01-20 Horstmann-Electronic Dispositif de codage magnétique pour porteur de pièces à usiner
US4732706A (en) * 1985-03-20 1988-03-22 Ferrofluidics Corporation Method of preparing low viscosity, electrically conductive ferrofluid composition
US4644101A (en) * 1985-12-11 1987-02-17 At&T Bell Laboratories Pressure-responsive position sensor
US5169471A (en) * 1991-07-29 1992-12-08 Strasser Gene W Auto electrical connecting circuit board assembly
US5429701A (en) * 1992-04-14 1995-07-04 Industrial Technology Research Institute Method of electrically interconnecting conductors
US5443876A (en) * 1993-12-30 1995-08-22 Minnesota Mining And Manufacturing Company Electrically conductive structured sheets
US5769996A (en) * 1994-01-27 1998-06-23 Loctite (Ireland) Limited Compositions and methods for providing anisotropic conductive pathways and bonds between two sets of conductors
JP4243413B2 (ja) * 2000-05-31 2009-03-25 セイコーエプソン株式会社 磁石粉末の製造方法およびボンド磁石の製造方法
US20060273785A1 (en) * 2005-06-03 2006-12-07 Lindblom Steven L Magnetic field sensing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0354131A2 (fr) * 1988-08-05 1990-02-07 Potters Industries, Inc. Système de revêtement de particules de ferrite et écran électromagnétique
JPH0428203A (ja) * 1990-05-23 1992-01-30 Matsushita Electric Ind Co Ltd 無接触ポテンショメータ
US6290868B1 (en) * 1999-05-27 2001-09-18 Sandia Corporation Field-structured material media and methods for synthesis thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 196 (E - 1200) 12 May 1992 (1992-05-12) *

Also Published As

Publication number Publication date
EP1445778A2 (fr) 2004-08-11
US20040155228A1 (en) 2004-08-12

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