GB1227073A - - Google Patents

Info

Publication number
GB1227073A
GB1227073A GB1227073DA GB1227073A GB 1227073 A GB1227073 A GB 1227073A GB 1227073D A GB1227073D A GB 1227073DA GB 1227073 A GB1227073 A GB 1227073A
Authority
GB
United Kingdom
Prior art keywords
polyisobutylene
april
benzine
solution
polyethylene
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1227073A publication Critical patent/GB1227073A/en
Expired 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
    • H01F1/117—Flexible bodies
    • 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
    • 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
    • G11B5/702—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 bonding agent

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
GB1227073D 1968-04-24 1969-04-23 Expired GB1227073A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681774163 DE1774163A1 (de) 1968-04-24 1968-04-24 Flexibler Ferrit-Keeper fuer magnetische Duennschichtspeicher und Verfahren zur Herstellung des Materials fuer den Ferrit-Keeper

Publications (1)

Publication Number Publication Date
GB1227073A true GB1227073A (enrdf_load_stackoverflow) 1971-03-31

Family

ID=5702037

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1227073D Expired GB1227073A (enrdf_load_stackoverflow) 1968-04-24 1969-04-23

Country Status (4)

Country Link
DE (1) DE1774163A1 (enrdf_load_stackoverflow)
FR (1) FR2006827A1 (enrdf_load_stackoverflow)
GB (1) GB1227073A (enrdf_load_stackoverflow)
NL (1) NL6905471A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134128A (en) * 1983-01-27 1984-08-08 Oilfield Inspection Services Magnetically conductive materials and articles and methods using them
GB2153367A (en) * 1984-01-30 1985-08-21 Picker Int Ltd Flexible shim for n.m.r. apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60138731A (ja) * 1983-12-27 1985-07-23 Toshiba Corp 磁気記録媒体の製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134128A (en) * 1983-01-27 1984-08-08 Oilfield Inspection Services Magnetically conductive materials and articles and methods using them
GB2153367A (en) * 1984-01-30 1985-08-21 Picker Int Ltd Flexible shim for n.m.r. apparatus
US4631481A (en) * 1984-01-30 1986-12-23 Picker International Limited N.M.R. shims

Also Published As

Publication number Publication date
NL6905471A (enrdf_load_stackoverflow) 1969-10-28
FR2006827A1 (enrdf_load_stackoverflow) 1970-01-02
DE1774163A1 (de) 1971-12-16

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees