DE2536781C3 - Verfahren zur herstellung von mehrschichtmagnetogrammtraegern - Google Patents

Verfahren zur herstellung von mehrschichtmagnetogrammtraegern

Info

Publication number
DE2536781C3
DE2536781C3 DE2536781A DE2536781A DE2536781C3 DE 2536781 C3 DE2536781 C3 DE 2536781C3 DE 2536781 A DE2536781 A DE 2536781A DE 2536781 A DE2536781 A DE 2536781A DE 2536781 C3 DE2536781 C3 DE 2536781C3
Authority
DE
Germany
Prior art keywords
layers
coating
magnetic
layer
solvent
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
DE2536781A
Other languages
German (de)
English (en)
Other versions
DE2536781B2 (de
DE2536781A1 (de
Inventor
Roland Dipl.-Chem. Dr. 7590 Achern Falk
Karl 6701 Maxdorf Hauck
Karl Dipl.-Ing. Dr. 7640 Kehl Mahler
Peter Dipl.- Ing. Nagel
Hans Strauss
Paul Ing.(Grad.) 7592 Renchen Willmann
Heinrich Dipl.-Ing. 6800 Mannheim Wittkamp
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to DE2536781A priority Critical patent/DE2536781C3/de
Priority to NLAANVRAGE7609132,A priority patent/NL181692C/xx
Priority to JP51097506A priority patent/JPS5226202A/ja
Priority to FR7625070A priority patent/FR2321742B1/fr
Priority to GB34331/76A priority patent/GB1562601A/en
Publication of DE2536781A1 publication Critical patent/DE2536781A1/de
Publication of DE2536781B2 publication Critical patent/DE2536781B2/de
Application granted granted Critical
Publication of DE2536781C3 publication Critical patent/DE2536781C3/de
Expired legal-status Critical Current

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
    • G11B5/716Record 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 two or more magnetic layers
    • 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
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842Coating a support with a liquid magnetic dispersion
    • 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
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842Coating a support with a liquid magnetic dispersion
    • G11B5/845Coating a support with a liquid magnetic dispersion in a magnetic field

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Coating Apparatus (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
DE2536781A 1975-08-19 1975-08-19 Verfahren zur herstellung von mehrschichtmagnetogrammtraegern Expired DE2536781C3 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE2536781A DE2536781C3 (de) 1975-08-19 1975-08-19 Verfahren zur herstellung von mehrschichtmagnetogrammtraegern
NLAANVRAGE7609132,A NL181692C (nl) 1975-08-19 1976-08-17 Werkwijze voor het vervaardigen van een uit een aantal lagen bestaande magnetogramdrager.
JP51097506A JPS5226202A (en) 1975-08-19 1976-08-17 Method of producing multilayer magnetic recording carrier
FR7625070A FR2321742B1 (fr) 1975-08-19 1976-08-18 Procede de fabrication de supports d'enregistrement magnetique a couche multiple
GB34331/76A GB1562601A (en) 1975-08-19 1976-08-18 Manufacture of multi-layer magnetic recording media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2536781A DE2536781C3 (de) 1975-08-19 1975-08-19 Verfahren zur herstellung von mehrschichtmagnetogrammtraegern

Publications (3)

Publication Number Publication Date
DE2536781A1 DE2536781A1 (de) 1977-03-17
DE2536781B2 DE2536781B2 (de) 1977-07-14
DE2536781C3 true DE2536781C3 (de) 1978-03-16

Family

ID=5954255

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2536781A Expired DE2536781C3 (de) 1975-08-19 1975-08-19 Verfahren zur herstellung von mehrschichtmagnetogrammtraegern

Country Status (5)

Country Link
JP (1) JPS5226202A (enExample)
DE (1) DE2536781C3 (enExample)
FR (1) FR2321742B1 (enExample)
GB (1) GB1562601A (enExample)
NL (1) NL181692C (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55158237A (en) * 1979-05-30 1980-12-09 Agency Of Ind Science & Technol Selective separation of high concentration metal ion
JPS6231384U (enExample) * 1985-08-07 1987-02-25
JPS6292132A (ja) * 1985-10-18 1987-04-27 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法
JPS62124631A (ja) * 1985-11-26 1987-06-05 Fuji Photo Film Co Ltd 磁気記録媒体の塗布方法
JPS62212933A (ja) * 1986-03-13 1987-09-18 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法
US5384182A (en) * 1990-05-11 1995-01-24 Kabushiki Kaisha Toshiba Magnetic recording medium and a method for producing the same wherein the medium has two magnetic layers differing in degree of orientation
US5494732A (en) * 1992-01-06 1996-02-27 Kabushiki Kaisha Toshiba Magnetic recording medium and a method for producing the same wherein the medium has two magnetic layers differing in degree of orientation
US5601647A (en) * 1992-08-07 1997-02-11 Basf Magnetics Gmbh Production of a magnetic recording medium
US6579592B1 (en) 1996-11-29 2003-06-17 Fuji Photo Film Co., Ltd Magnetic recording tape with controlled Hc and magnetic flux/unit area value and controlled Cl/Fe intensity
US6432503B2 (en) 1997-03-31 2002-08-13 Fuji Photo Film Co., Ltd. Magnetic recording medium
EP0889464B1 (en) 1997-06-30 2003-09-03 Fuji Photo Film Co., Ltd. Magnetic recording medium
WO1999037408A1 (en) * 1998-01-21 1999-07-29 Alcan International Limited Process and apparatus for multi-layer coating of elongated strip articles
US6444290B1 (en) 1998-06-11 2002-09-03 Fuji Photo Film Co., Ltd. Magnetic recording medium comprising a support containing a specific size filler and having a specific concentration of surface protrusions
JP2000011352A (ja) 1998-06-22 2000-01-14 Fuji Photo Film Co Ltd 磁気記録媒体
EP2765614A1 (en) * 2013-02-12 2014-08-13 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Roll-to-roll apparatus and method for manufacturing a product comprising a target substrate provided with at least one foil shaped component
WO2018168234A1 (ja) * 2017-03-14 2018-09-20 日産自動車株式会社 ダイヘッド装置、塗布方法および積層体形成装置
US10777418B2 (en) * 2017-06-14 2020-09-15 Rohm And Haas Electronic Materials Cmp Holdings, I Biased pulse CMP groove pattern

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2633431A (en) * 1947-12-20 1953-03-31 Shellmar Products Corp Magnetic recording tape and method of making same

Also Published As

Publication number Publication date
NL7609132A (nl) 1977-02-22
JPS5226202A (en) 1977-02-26
DE2536781B2 (de) 1977-07-14
FR2321742A1 (fr) 1977-03-18
NL181692C (nl) 1987-10-01
GB1562601A (en) 1980-03-12
DE2536781A1 (de) 1977-03-17
JPS576178B2 (enExample) 1982-02-03
FR2321742B1 (fr) 1980-05-09

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8330 Complete disclaimer