DE891625C - A process for preparing Magnetogrammtraegern - Google Patents

A process for preparing Magnetogrammtraegern

Info

Publication number
DE891625C
DE891625C DEF5987A DEF0005987A DE891625C DE 891625 C DE891625 C DE 891625C DE F5987 A DEF5987 A DE F5987A DE F0005987 A DEF0005987 A DE F0005987A DE 891625 C DE891625 C DE 891625C
Authority
DE
Germany
Prior art keywords
magnetogrammtraegern
preparing
process
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
DEF5987A
Other languages
German (de)
Inventor
Rolf Dr Brueck
Walter Dr Harz
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.)
Agfa AG
Original Assignee
Agfa 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
Application filed by Agfa AG filed Critical Agfa AG
Priority to DEF5987A priority Critical patent/DE891625C/en
Application granted granted Critical
Publication of DE891625C publication Critical patent/DE891625C/en
Application status is Expired legal-status Critical

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/706Record 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 composition of the magnetic material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/706Record 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 composition of the magnetic material
    • G11B5/70626Record 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 composition of the magnetic material containing non-metallic substances
    • G11B5/70642Record 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 composition of the magnetic material containing non-metallic substances iron oxides
DEF5987A 1951-04-10 1951-04-10 A process for preparing Magnetogrammtraegern Expired DE891625C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF5987A DE891625C (en) 1951-04-10 1951-04-10 A process for preparing Magnetogrammtraegern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF5987A DE891625C (en) 1951-04-10 1951-04-10 A process for preparing Magnetogrammtraegern

Publications (1)

Publication Number Publication Date
DE891625C true DE891625C (en) 1953-10-01

Family

ID=7084806

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF5987A Expired DE891625C (en) 1951-04-10 1951-04-10 A process for preparing Magnetogrammtraegern

Country Status (1)

Country Link
DE (1) DE891625C (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE936392C (en) * 1953-12-03 1955-12-15 Basf Ag A process for the production of magnetic iron oxides
DE968424C (en) * 1951-07-01 1958-02-13 Basf Ag A process for preparing mixtures of a non-magnetic medium manufactured by iron hydroxides with powders of magnetic iron oxides
US2978414A (en) * 1951-04-09 1961-04-04 Agfa Ag Magnetic impulse record carrier
US3082067A (en) * 1959-04-28 1963-03-19 Bayer Ag Process for the production of isometric ferromagnetic gamma-ferric oxide
US3084123A (en) * 1959-01-27 1963-04-02 Bayer Ag Process for producing ferrites
DE1208518B (en) * 1958-01-23 1966-01-05 Ibm Deutschland Magnetic tape material
DE1222115B (en) * 1959-04-02 1966-08-04 Fuji Photo Film Co Ltd A process for the sensitization of a Magnetogrammtraegers
DE2144553A1 (en) * 1971-03-16 1972-10-12 Eastman Kodak Co
EP0188765A2 (en) * 1985-01-09 1986-07-30 Bayer Ag Method for the preparation of isometric magnetic iron oxide pigments

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE649408C (en) * 1933-09-09 1937-08-23 Aeg Magnetogrammtraeger

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE649408C (en) * 1933-09-09 1937-08-23 Aeg Magnetogrammtraeger

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978414A (en) * 1951-04-09 1961-04-04 Agfa Ag Magnetic impulse record carrier
DE968424C (en) * 1951-07-01 1958-02-13 Basf Ag A process for preparing mixtures of a non-magnetic medium manufactured by iron hydroxides with powders of magnetic iron oxides
DE936392C (en) * 1953-12-03 1955-12-15 Basf Ag A process for the production of magnetic iron oxides
DE1208518B (en) * 1958-01-23 1966-01-05 Ibm Deutschland Magnetic tape material
US3084123A (en) * 1959-01-27 1963-04-02 Bayer Ag Process for producing ferrites
DE1222115B (en) * 1959-04-02 1966-08-04 Fuji Photo Film Co Ltd A process for the sensitization of a Magnetogrammtraegers
US3082067A (en) * 1959-04-28 1963-03-19 Bayer Ag Process for the production of isometric ferromagnetic gamma-ferric oxide
DE2144553A1 (en) * 1971-03-16 1972-10-12 Eastman Kodak Co
EP0188765A2 (en) * 1985-01-09 1986-07-30 Bayer Ag Method for the preparation of isometric magnetic iron oxide pigments
EP0188765A3 (en) * 1985-01-09 1988-11-17 Bayer Ag Method for the preparation of isometric magnetic iron oxide pigments

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