EP1445778A3 - Elektrisch leitendes, magnetisches Pulver - Google Patents
Elektrisch leitendes, magnetisches Pulver Download PDFInfo
- 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- Withdrawn
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)
- Conductive Materials (AREA)
- Hard Magnetic Materials (AREA)
- Adjustable Resistors (AREA)
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10304794 | 2003-02-05 | ||
DE2003104794 DE10304794B4 (de) | 2003-02-05 | 2003-02-05 | Verwendung einer elektrisch leitenden, magnetischen Flüssigkeit |
DE2003123765 DE10323765B4 (de) | 2003-05-22 | 2003-05-22 | Elektrisches Bauteil und Verwendung eines elektrisch leitenden, magnetischen Pulvers |
DE10323765 | 2003-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1445778A2 EP1445778A2 (de) | 2004-08-11 |
EP1445778A3 true EP1445778A3 (de) | 2005-05-04 |
Family
ID=32657782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04001172A Withdrawn EP1445778A3 (de) | 2003-02-05 | 2004-01-21 | Elektrisch leitendes, magnetisches Pulver |
Country Status (2)
Country | Link |
---|---|
US (1) | US20040155228A1 (de) |
EP (1) | EP1445778A3 (de) |
Families Citing this family (3)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0354131A2 (de) * | 1988-08-05 | 1990-02-07 | Potters Industries, Inc. | Plattierungssystem für Ferritteilchen und elektromagnetische Abschirmung |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4292615A (en) * | 1977-06-07 | 1981-09-29 | Shigeo Ohashi | Switching element |
DE3375377D1 (en) * | 1982-07-19 | 1988-02-25 | Horstmann Electronic | Magnetic coding arrangement for a workpiece |
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 |
DE69526287T2 (de) * | 1994-01-27 | 2002-10-31 | Loctite (Ireland) Ltd., Dublin | Zusammenstellungen und methoden zur anordnung anisotropisch leitender bahnen und verbindungen zwischen zwei sätzen von leitern |
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 |
-
2004
- 2004-01-21 EP EP04001172A patent/EP1445778A3/de not_active Withdrawn
- 2004-02-03 US US10/770,651 patent/US20040155228A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0354131A2 (de) * | 1988-08-05 | 1990-02-07 | Potters Industries, Inc. | Plattierungssystem für Ferritteilchen und elektromagnetische Abschirmung |
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)
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 (de) | 2004-08-11 |
US20040155228A1 (en) | 2004-08-12 |
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Legal Events
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Owner name: METALLUX AG |
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17P | Request for examination filed |
Effective date: 20051029 |
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17Q | First examination report despatched |
Effective date: 20060922 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
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18W | Application withdrawn |
Effective date: 20070116 |