DE3575034D1 - Magnetischer aufzeichnungstraeger. - Google Patents

Magnetischer aufzeichnungstraeger.

Info

Publication number
DE3575034D1
DE3575034D1 DE8585304218T DE3575034T DE3575034D1 DE 3575034 D1 DE3575034 D1 DE 3575034D1 DE 8585304218 T DE8585304218 T DE 8585304218T DE 3575034 T DE3575034 T DE 3575034T DE 3575034 D1 DE3575034 D1 DE 3575034D1
Authority
DE
Germany
Prior art keywords
magnetic recording
recording carrier
carrier
magnetic
recording
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
DE8585304218T
Other languages
English (en)
Inventor
Yoshitaka Yasufuku
Masaji Nara
Shigeru Akutsu
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14800642&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3575034(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Application granted granted Critical
Publication of DE3575034D1 publication Critical patent/DE3575034D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing
DE8585304218T 1984-06-13 1985-06-13 Magnetischer aufzeichnungstraeger. Expired - Lifetime DE3575034D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59121013A JPS61915A (ja) 1984-06-13 1984-06-13 磁気記録媒体

Publications (1)

Publication Number Publication Date
DE3575034D1 true DE3575034D1 (de) 1990-02-01

Family

ID=14800642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585304218T Expired - Lifetime DE3575034D1 (de) 1984-06-13 1985-06-13 Magnetischer aufzeichnungstraeger.

Country Status (4)

Country Link
US (1) US4652496A (de)
EP (1) EP0168962B2 (de)
JP (1) JPS61915A (de)
DE (1) DE3575034D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970121A (en) * 1987-08-06 1990-11-13 Fuji Photo Film Co., Ltd. Magnetic recording medium
JP2824974B2 (ja) * 1989-11-10 1998-11-18 ティーディーケイ株式会社 磁気テープカートリッジ
JPH11339253A (ja) * 1998-05-21 1999-12-10 Sony Corp 磁気記録媒体およびその製造方法
US6327754B1 (en) 1999-05-10 2001-12-11 Pactiv Corporation Fastener with slider thereon for use in manufacturing recloseable bags
US6292986B1 (en) 1999-05-10 2001-09-25 Alexander R. Provan Assembly and accumulation of sliders for profiled zippers
US6071011A (en) 1999-08-12 2000-06-06 Tenneco Packaging, Inc. Fill-through-the-top package
US7124466B2 (en) * 2002-02-05 2006-10-24 Seagate Technology Llc Particle capture system
JP5388825B2 (ja) * 2009-12-07 2014-01-15 三菱電機株式会社 繊維強化プラスチック成形体の製造装置、及び繊維強化プラスチック成形体の製造方法

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2228643A1 (de) * 1972-06-13 1974-01-10 Basf Ag Kartenfoermige magnetogrammtraeger
JPS5729769B2 (de) † 1974-02-15 1982-06-24
DE2442762C2 (de) * 1974-09-06 1983-02-24 Basf Ag, 6700 Ludwigshafen Schichtmagnetogrammträger mit Polyurethanelastomer-Bindemitteln in der Magnetschicht
JPS5441484A (en) † 1977-09-07 1979-04-02 Nippon Telegr & Teleph Corp <Ntt> Manufacturing process of communication cable
JPS55122234A (en) * 1979-03-08 1980-09-19 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5698719A (en) * 1980-01-10 1981-08-08 Fuji Photo Film Co Ltd Magnetic recording medium
JPS56169223A (en) * 1980-05-28 1981-12-25 Sony Corp Magnetic recording medium
US4284750A (en) * 1980-06-20 1981-08-18 Morton-Norwich Products, Inc. Polyurethane resins
JPS5750327A (en) * 1980-08-18 1982-03-24 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5737733A (en) † 1980-08-20 1982-03-02 Hitachi Maxell Ltd Magnetic recording medium
JPS5737734A (en) † 1980-08-20 1982-03-02 Hitachi Maxell Ltd Magnetic recording medium
JPS5737732A (en) † 1980-08-20 1982-03-02 Hitachi Maxell Ltd Magnetic recording medium
JPS5737731A (en) † 1980-08-20 1982-03-02 Hitachi Maxell Ltd Magnetic recording medium
JPS5744967A (en) † 1980-08-31 1982-03-13 Toshiba Battery Co Ltd Manufacture of dry cell
JPS5756128A (en) † 1980-09-18 1982-04-03 Nippon Kentetsu Co Ltd Manufacture of header for heat exchanger
JPS57152535A (en) † 1981-03-18 1982-09-20 Hitachi Maxell Ltd Magnetic recording medium
JPS57152537A (en) † 1981-03-18 1982-09-20 Hitachi Maxell Ltd Magnetic recording medium
JPS5863759A (ja) * 1981-10-13 1983-04-15 Kuraray Co Ltd コ−テイング剤に適しているポリウレタン組成物
JPS5822436A (ja) * 1981-07-31 1983-02-09 Sony Corp 座標入力装置
JPS5891527A (ja) * 1981-11-26 1983-05-31 Sony Corp 磁気記録媒体
JPS58161135A (ja) * 1982-03-19 1983-09-24 Fuji Photo Film Co Ltd 磁気記録媒体
US4546044A (en) * 1982-04-22 1985-10-08 Konishiroku Photo Industry Co., Ltd. Magnetic recording medium
JPS58222436A (ja) * 1982-06-10 1983-12-24 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS595422A (ja) * 1982-06-30 1984-01-12 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS5922230A (ja) * 1982-07-29 1984-02-04 Victor Co Of Japan Ltd 磁気記録媒体
JPS5922227A (ja) * 1982-07-29 1984-02-04 Victor Co Of Japan Ltd 磁気記録媒体
DE3333930C2 (de) * 1982-09-21 1985-08-14 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Magnetaufzeichnungsmaterial
JPS5954314A (ja) * 1982-09-22 1984-03-29 Hitachi Ltd 選局装置
US4525424A (en) * 1983-12-30 1985-06-25 International Business Machines Corporation Flexible magnetic recording media having a polyester-polyurethane binder and chromium dioxide pigment
JPS60150230A (ja) * 1984-01-17 1985-08-07 Fuji Photo Film Co Ltd 磁気記録体
US4568611A (en) * 1985-04-03 1986-02-04 Morton Thiokol, Inc. Polyester-polyurethane composition and use thereof

Also Published As

Publication number Publication date
EP0168962B2 (de) 2000-07-05
US4652496A (en) 1987-03-24
JPS61915A (ja) 1986-01-06
EP0168962B1 (de) 1989-12-27
EP0168962A1 (de) 1986-01-22
JPH0576694B2 (de) 1993-10-25

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings