DE3913630A1 - Verfahren zur herstellung eines magnetischen aufzeichnungsmediums - Google Patents

Verfahren zur herstellung eines magnetischen aufzeichnungsmediums

Info

Publication number
DE3913630A1
DE3913630A1 DE3913630A DE3913630A DE3913630A1 DE 3913630 A1 DE3913630 A1 DE 3913630A1 DE 3913630 A DE3913630 A DE 3913630A DE 3913630 A DE3913630 A DE 3913630A DE 3913630 A1 DE3913630 A1 DE 3913630A1
Authority
DE
Germany
Prior art keywords
catalyst
magnetic
layer
binder resin
coating
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Withdrawn
Application number
DE3913630A
Other languages
German (de)
English (en)
Inventor
Ravindra L Arudi
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE3913630A1 publication Critical patent/DE3913630A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • 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
    • G11B5/7021—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 containing a polyurethane or a polyisocyanate
    • 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
    • G11B5/7028—Additives, e.g. crosslinking agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE3913630A 1988-04-25 1989-04-25 Verfahren zur herstellung eines magnetischen aufzeichnungsmediums Withdrawn DE3913630A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18602988A 1988-04-25 1988-04-25

Publications (1)

Publication Number Publication Date
DE3913630A1 true DE3913630A1 (de) 1990-03-08

Family

ID=22683372

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3913630A Withdrawn DE3913630A1 (de) 1988-04-25 1989-04-25 Verfahren zur herstellung eines magnetischen aufzeichnungsmediums

Country Status (3)

Country Link
JP (1) JP2725832B2 (ja)
DE (1) DE3913630A1 (ja)
GB (1) GB2218925B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3609480B2 (ja) * 1995-03-31 2005-01-12 大日本インキ化学工業株式会社 塗膜形成方法及びそれに使用されるベースコート塗料
US5998035A (en) * 1996-03-28 1999-12-07 Mazda Motor Corporation Method for forming coating and base coating paint used therefor
JP2010236000A (ja) * 2009-03-31 2010-10-21 Nippon Zeon Co Ltd 金属表面の腐食防止方法及び光学部材

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3614839A1 (de) * 1985-05-03 1986-11-06 Ampex Corp., Redwood City, Calif. Verbessertes haertungsverfahren fuer magnettontraeger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2094178B (en) * 1981-03-05 1985-01-03 Insituform Pipes & Structures Improvements relating to the formation of a lining in pipelines
DE3119151A1 (de) * 1981-05-14 1982-12-02 Bayer Ag, 5090 Leverkusen Verfahren zur splittersicheren beschichtung von glasoberflaechen
GB2171030B (en) * 1985-01-10 1988-09-28 Kansai Paint Co Ltd Coating method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3614839A1 (de) * 1985-05-03 1986-11-06 Ampex Corp., Redwood City, Calif. Verbessertes haertungsverfahren fuer magnettontraeger

Also Published As

Publication number Publication date
GB8908988D0 (en) 1989-06-07
JPH0221422A (ja) 1990-01-24
JP2725832B2 (ja) 1998-03-11
GB2218925A (en) 1989-11-29
GB2218925B (en) 1992-01-15

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee