FR2640074B1 - Materiau a susceptibilite magnetique predefinissable - Google Patents

Materiau a susceptibilite magnetique predefinissable

Info

Publication number
FR2640074B1
FR2640074B1 FR898916733A FR8916733A FR2640074B1 FR 2640074 B1 FR2640074 B1 FR 2640074B1 FR 898916733 A FR898916733 A FR 898916733A FR 8916733 A FR8916733 A FR 8916733A FR 2640074 B1 FR2640074 B1 FR 2640074B1
Authority
FR
France
Prior art keywords
magnetic susceptibility
susceptibility material
predefinable
predefinable magnetic
susceptibility
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
FR898916733A
Other languages
English (en)
Other versions
FR2640074A1 (fr
Inventor
Scato Albarda
Helge Frank
Joachim Marcoll
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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 Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Publication of FR2640074A1 publication Critical patent/FR2640074A1/fr
Application granted granted Critical
Publication of FR2640074B1 publication Critical patent/FR2640074B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Measuring Magnetic Variables (AREA)
FR898916733A 1988-12-03 1989-12-01 Materiau a susceptibilite magnetique predefinissable Expired - Fee Related FR2640074B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3840848A DE3840848A1 (de) 1988-12-03 1988-12-03 Werkstoff mit vorgebbarer magnetischer suszeptibilitaet

Publications (2)

Publication Number Publication Date
FR2640074A1 FR2640074A1 (fr) 1990-06-08
FR2640074B1 true FR2640074B1 (fr) 1991-07-26

Family

ID=6368443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898916733A Expired - Fee Related FR2640074B1 (fr) 1988-12-03 1989-12-01 Materiau a susceptibilite magnetique predefinissable

Country Status (4)

Country Link
US (1) US4985165A (fr)
DE (1) DE3840848A1 (fr)
FR (1) FR2640074B1 (fr)
GB (1) GB2226041B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050149169A1 (en) * 2003-04-08 2005-07-07 Xingwu Wang Implantable medical device
US20050079132A1 (en) * 2003-04-08 2005-04-14 Xingwu Wang Medical device with low magnetic susceptibility
US20050119725A1 (en) * 2003-04-08 2005-06-02 Xingwu Wang Energetically controlled delivery of biologically active material from an implanted medical device
US20070010702A1 (en) * 2003-04-08 2007-01-11 Xingwu Wang Medical device with low magnetic susceptibility
US20060249705A1 (en) * 2003-04-08 2006-11-09 Xingwu Wang Novel composition
US20050149002A1 (en) * 2003-04-08 2005-07-07 Xingwu Wang Markers for visualizing interventional medical devices
US20060102871A1 (en) * 2003-04-08 2006-05-18 Xingwu Wang Novel composition
US20050025797A1 (en) * 2003-04-08 2005-02-03 Xingwu Wang Medical device with low magnetic susceptibility
US20060118758A1 (en) * 2004-09-15 2006-06-08 Xingwu Wang Material to enable magnetic resonance imaging of implantable medical devices

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB901369A (en) * 1957-08-12 1962-07-18 Horace Clifford Westcott Magnetic recording element
GB1307831A (en) * 1969-06-04 1973-02-21 Birmingham Small Arms Co Ltd Electric motors or generators
US3560388A (en) * 1969-07-22 1971-02-02 Memorex Corp Magnetic coating composition with three component epoxy binder
US3742344A (en) * 1971-12-29 1973-06-26 H Hummel Apparatus for measuring the differences in magnetic susceptibilities of gases
DE2247281A1 (de) * 1972-09-27 1974-03-28 Heinz Dr Rer Nat Hummel Messvorrichtung zur bestimmung der magnetischen suszeptibilitaet von stoffgemischen, insbesondere von gasgemischen
US3826974A (en) * 1973-01-15 1974-07-30 Sybron Corp Gas testing apparatus of the magnetic susceptibility type utilizing a glass coated filament support fused to the test body
US4092459A (en) * 1975-01-13 1978-05-30 Graham Magnetics Incorporated Powder products
GB1570640A (en) * 1977-02-01 1980-07-02 Imi Kynoch Ltd Magnetic detector
DE2823138A1 (de) * 1978-05-26 1979-11-29 Helma Gmbh & Co Kg Kuevette
JPS583292B2 (ja) * 1978-10-12 1983-01-20 ティーディーケイ株式会社 磁気記録媒体用磁性塗料の製造法
JPS5613525A (en) * 1979-07-16 1981-02-09 Tdk Corp Magnetic recording medium
JPS5724027A (en) * 1980-07-16 1982-02-08 Tdk Corp Magnetic recording medium
US4360441A (en) * 1981-06-25 1982-11-23 Corning Glass Works Glass-encapsulated magnetic materials and methods for making them
JPS5930233A (ja) * 1982-08-10 1984-02-17 Fuji Photo Film Co Ltd 磁気記録媒体
JPS5991350A (ja) * 1982-11-17 1984-05-26 Toyota Central Res & Dev Lab Inc 薄膜酸素センサ
DE3313537A1 (de) * 1983-04-14 1984-12-20 Heinz Dr. 6240 Königstein Hummel Vorrichtung zur messung des konzentrationsunterschiedes an paramagnetischen bestandteilen zwischen zwei gasgemischen
JPS61104326A (ja) * 1984-10-23 1986-05-22 Fuji Photo Film Co Ltd 磁気記録媒体
JPS61153556A (ja) * 1984-12-26 1986-07-12 Daido Steel Co Ltd スラリ−濃度測定方法
US4778714A (en) * 1985-10-11 1988-10-18 Minnesota Mining And Manufacturing Company Nonabrasive magnetic recording tape
DE3544966A1 (de) * 1985-12-19 1987-06-25 Draegerwerk Ag Vorrichtung zur bestimmung des anteils von stoffen mit paramagnetischen eigenschaften in stoffgemischen
DE3544967A1 (de) * 1985-12-19 1987-06-25 Draegerwerk Ag Geraet zur bestimmung des anteils von paramagnetischen stoffen in stoffgemischen
US4810572A (en) * 1986-02-17 1989-03-07 Mitsui Toatsu Chemicals, Inc. Permanent magnet and process for producing the same
DE3633750A1 (de) * 1986-10-03 1988-04-14 Wilhelm Ostermeier Sauerstoffmesszelle
JPH0451091A (ja) * 1990-06-18 1992-02-19 Seiko Epson Corp 画像信号発生装置

Also Published As

Publication number Publication date
FR2640074A1 (fr) 1990-06-08
GB8925121D0 (en) 1989-12-28
US4985165A (en) 1991-01-15
DE3840848A1 (de) 1990-06-07
GB2226041B (en) 1992-06-03
DE3840848C2 (fr) 1992-06-25
GB2226041A (en) 1990-06-20

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Legal Events

Date Code Title Description
ST Notification of lapse