DE69217569D1 - Magnetisches Aufzeichnungsmaterial und Verfahren zur Herstellung desselben - Google Patents

Magnetisches Aufzeichnungsmaterial und Verfahren zur Herstellung desselben

Info

Publication number
DE69217569D1
DE69217569D1 DE69217569T DE69217569T DE69217569D1 DE 69217569 D1 DE69217569 D1 DE 69217569D1 DE 69217569 T DE69217569 T DE 69217569T DE 69217569 T DE69217569 T DE 69217569T DE 69217569 D1 DE69217569 D1 DE 69217569D1
Authority
DE
Germany
Prior art keywords
producing
same
magnetic recording
recording material
magnetic
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
DE69217569T
Other languages
English (en)
Other versions
DE69217569T2 (de
Inventor
Akihiro Nishimura
Kazuyuki Hayashi
Keisuke Iwasaki
Yasuyuki Tanaka
Hiroko Itamochi
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.)
Toda Kogyo Corp
Original Assignee
Toda Kogyo Corp
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
Priority claimed from JP3080876A external-priority patent/JP2924929B2/ja
Priority claimed from JP3246576A external-priority patent/JP3063798B2/ja
Priority claimed from JP28070791A external-priority patent/JPH06157944A/ja
Application filed by Toda Kogyo Corp filed Critical Toda Kogyo Corp
Publication of DE69217569D1 publication Critical patent/DE69217569D1/de
Application granted granted Critical
Publication of DE69217569T2 publication Critical patent/DE69217569T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G11B5/706—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 composition of the magnetic 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Paints Or Removers (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE69217569T 1991-03-18 1992-03-17 Magnetisches Aufzeichnungsmaterial und Verfahren zur Herstellung desselben Expired - Fee Related DE69217569T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3080876A JP2924929B2 (ja) 1991-03-18 1991-03-18 磁性塗料用材料の製造法
JP3246576A JP3063798B2 (ja) 1991-08-30 1991-08-30 磁性塗料用材料
JP28070791A JPH06157944A (ja) 1991-09-30 1991-09-30 磁性塗料用材料

Publications (2)

Publication Number Publication Date
DE69217569D1 true DE69217569D1 (de) 1997-04-03
DE69217569T2 DE69217569T2 (de) 1997-10-02

Family

ID=27303413

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69217569T Expired - Fee Related DE69217569T2 (de) 1991-03-18 1992-03-17 Magnetisches Aufzeichnungsmaterial und Verfahren zur Herstellung desselben

Country Status (4)

Country Link
US (1) US5525649A (de)
EP (1) EP0508617B1 (de)
CA (1) CA2063150C (de)
DE (1) DE69217569T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5869148A (en) * 1991-04-23 1999-02-09 Webcraft Technologies Inc. Process for the in-line, high speed manufacturing of magnetic products
JP3154645B2 (ja) 1995-01-23 2001-04-09 セントラル硝子株式会社 自動車用合せガラス
US5994611A (en) * 1995-09-18 1999-11-30 Toda Kogyo Corporation Method of incinerating plastic products containing ferric oxide hydroxide particles
JP2001503916A (ja) * 1996-03-19 2001-03-21 フォアファス・トレイディング・アズ・ピーイーアイ・テクノロジーズ 硬質磁気材料膜の製造
DE19722137A1 (de) * 1997-05-27 1998-12-03 Emtec Magnetics Gmbh Magnetische Aufzeichnungsträger
FR2795223B1 (fr) * 1999-06-15 2003-02-07 Claude Texier Enduit magnetique, procede d'enduction d'un tel enduit et appareil d'enduction pour sa mise en oeuvre
US20030113573A1 (en) * 2001-12-19 2003-06-19 Pepin John Graeme Thick film composition yielding magnetic properties
JP4143714B2 (ja) * 2002-03-07 2008-09-03 Ｄｏｗａエレクトロニクス株式会社 強磁性鉄合金粉末の製造法
FR2860798A1 (fr) * 2003-10-10 2005-04-15 Nicolas Triboulot Compositions chargees en fer sensibles au magnetisme
HUP0800236A2 (en) * 2008-04-11 2010-05-28 Tamas Barna Laminating kit for magnetable decorative surfaci, as well as procedure fof making thereof
EP2632809B1 (de) 2010-10-27 2015-11-18 Intercontinental Great Brands LLC Magnetisch verschliessbare verpackung für ein produkt
CN110684390A (zh) * 2019-09-19 2020-01-14 博罗县东明化工有限公司 超强磁性涂料及其制备方法
CN110744830B (zh) * 2019-10-17 2022-03-15 重庆金美新材料科技有限公司 一种高导电聚酯薄膜的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206325C2 (de) * 1982-02-22 1985-10-10 AUTOMATIK Apparate-Maschinenbau GmbH, 8754 Großostheim Mehrwellige, kontinuierlich arbeitende Misch- und Knetmaschine für plastifizierbare Massen
US4596739A (en) * 1985-02-11 1986-06-24 International Business Machines Corporation Rigid magnetic recording media
JPH0677317B2 (ja) * 1986-10-16 1994-09-28 富士写真フイルム株式会社 磁気記録媒体の製造方法
JPH0646453B2 (ja) * 1987-10-19 1994-06-15 富士写真フイルム株式会社 磁性塗料用混練物の製造方法
US5075169A (en) * 1988-06-08 1991-12-24 Toda Kogyo Corp. Plate-like composite ferrite particles for magnetic recording and process for producing the same
JP2802518B2 (ja) * 1989-10-13 1998-09-24 戸田工業株式会社 磁気記録媒体

Also Published As

Publication number Publication date
EP0508617A1 (de) 1992-10-14
DE69217569T2 (de) 1997-10-02
EP0508617B1 (de) 1997-02-26
CA2063150A1 (en) 1992-09-19
CA2063150C (en) 2001-07-17
US5525649A (en) 1996-06-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee