DE69022182D1 - Verfahren zur Herstellung mehrschichtiger magnetischer Aufzeichnungsträger. - Google Patents

Verfahren zur Herstellung mehrschichtiger magnetischer Aufzeichnungsträger.

Info

Publication number
DE69022182D1
DE69022182D1 DE69022182T DE69022182T DE69022182D1 DE 69022182 D1 DE69022182 D1 DE 69022182D1 DE 69022182 T DE69022182 T DE 69022182T DE 69022182 T DE69022182 T DE 69022182T DE 69022182 D1 DE69022182 D1 DE 69022182D1
Authority
DE
Germany
Prior art keywords
production
magnetic recording
recording media
multilayer magnetic
multilayer
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 - Lifetime
Application number
DE69022182T
Other languages
English (en)
Other versions
DE69022182T2 (de
Inventor
Naoyoshi Chino
Norio Shibata
Hiroshi Chikamasa
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.)
Fujifilm Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of DE69022182D1 publication Critical patent/DE69022182D1/de
Publication of DE69022182T2 publication Critical patent/DE69022182T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
    • 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
    • G11B5/716—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 two or more magnetic layers
    • 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
    • G11B5/848—Coating a support with a magnetic layer by extrusion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
DE69022182T 1989-12-06 1990-12-06 Verfahren zur Herstellung mehrschichtiger magnetischer Aufzeichnungsträger. Expired - Lifetime DE69022182T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31548089 1989-12-06

Publications (2)

Publication Number Publication Date
DE69022182D1 true DE69022182D1 (de) 1995-10-12
DE69022182T2 DE69022182T2 (de) 1996-02-01

Family

ID=18065870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69022182T Expired - Lifetime DE69022182T2 (de) 1989-12-06 1990-12-06 Verfahren zur Herstellung mehrschichtiger magnetischer Aufzeichnungsträger.

Country Status (3)

Country Link
US (1) US5069934A (de)
EP (1) EP0431630B1 (de)
DE (1) DE69022182T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0822414B2 (ja) * 1990-05-18 1996-03-06 松下電器産業株式会社 塗布装置
US5143758A (en) * 1991-03-28 1992-09-01 Eastman Kodak Company Coating by means of a coating hopper with coating slots where the coating composition has a low slot reynolds number
EP0520155B2 (de) † 1991-04-25 2004-10-27 Fuji Photo Film Co., Ltd. Magnetischer Aufzeichnungsträger
US5376178A (en) * 1991-07-31 1994-12-27 Sony Corporation Coating apparatus
JP2630522B2 (ja) * 1991-10-18 1997-07-16 富士写真フイルム株式会社 塗布方法及び装置
DE69333235T2 (de) * 1992-01-08 2004-08-05 Fuji Photo Film Co., Ltd., Minami-Ashigara Magnetisches Aufzeichnungsmedium
JP2935148B2 (ja) * 1992-02-05 1999-08-16 富士写真フイルム株式会社 塗布方法及び装置
DE4226139A1 (de) * 1992-08-07 1994-02-10 Basf Magnetics Gmbh Vorrichtung zur Herstellung eines magnetischen Aufzeichnungsträgers
DE4234608C2 (de) * 1992-08-07 1997-08-07 Basf Magnetics Gmbh Verfahren zur Herstellung eines magnetischen Aufzeichnungsträgers
JP2942938B2 (ja) * 1992-10-20 1999-08-30 富士写真フイルム株式会社 塗布方法
CA2122089A1 (en) * 1993-04-30 1994-10-31 Glen H. Bayer, Jr. Method and apparatus for applying a coating material to a receiving surface
US5433973A (en) * 1994-05-26 1995-07-18 Minnesota Mining And Manufacturing Company Method of coating a magnetic recording media coating onto a substrate
US5728430A (en) * 1995-06-07 1998-03-17 Avery Dennison Corporation Method for multilayer coating using pressure gradient regulation
DE19504930A1 (de) * 1995-02-15 1996-08-22 Basf Magnetics Gmbh Vorrichtung zur Herstellung eines magnetischen Aufzeichnungsträgers
US5962075A (en) * 1995-06-07 1999-10-05 Avery Dennison Method of multilayer die coating using viscosity adjustment techniques
US6824828B2 (en) 1995-06-07 2004-11-30 Avery Dennison Corporation Method for forming multilayer release liners
US5747107A (en) * 1995-10-26 1998-05-05 Minnesota Mining And Manufacturing Company Method of applying a hot melt coating
KR0164669B1 (ko) * 1995-12-30 1999-03-20 최영각 자기기록매체용 도포장치
JP2001515094A (ja) 1997-09-02 2001-09-18 ビーエーエスエフ アクチェンゲゼルシャフト コレステリック効果層およびその製造方法
DE59810413D1 (de) 1997-09-02 2004-01-22 Basf Ag Mehrschichtige cholesterische pigmente
DE19745647A1 (de) 1997-10-15 1999-04-22 Basf Ag Wärmeisolationsbeschichtung
US6033723A (en) * 1998-02-24 2000-03-07 Imation Corp. Method and apparatus for coating plurality of wet layers on flexible elongated web
JP2000040227A (ja) * 1998-07-22 2000-02-08 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法
AU2001292893A1 (en) 2000-09-22 2002-04-02 Regents Of The University Of Minnesota Applicator device
US7068464B2 (en) * 2003-03-21 2006-06-27 Storage Technology Corporation Double sided magnetic tape
US7180699B1 (en) 2004-03-17 2007-02-20 Storage Technology Corporation Method and apparatus for increasing capacity of magnetic media storage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH067944B2 (ja) * 1985-10-18 1994-02-02 富士写真フイルム株式会社 塗布方法

Also Published As

Publication number Publication date
DE69022182T2 (de) 1996-02-01
EP0431630A2 (de) 1991-06-12
US5069934A (en) 1991-12-03
EP0431630A3 (en) 1991-11-06
EP0431630B1 (de) 1995-09-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJIFILM CORP., TOKIO/TOKYO, JP