DE3325972C2 - Magnetaufzeichnungsmaterial - Google Patents

Magnetaufzeichnungsmaterial

Info

Publication number
DE3325972C2
DE3325972C2 DE3325972A DE3325972A DE3325972C2 DE 3325972 C2 DE3325972 C2 DE 3325972C2 DE 3325972 A DE3325972 A DE 3325972A DE 3325972 A DE3325972 A DE 3325972A DE 3325972 C2 DE3325972 C2 DE 3325972C2
Authority
DE
Germany
Prior art keywords
magnetic
titanium monoxide
weight
powder
recording layer
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
DE3325972A
Other languages
German (de)
English (en)
Other versions
DE3325972A1 (de
Inventor
Tsunchide Mito Ibaraki Naruse
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE3325972A1 publication Critical patent/DE3325972A1/de
Application granted granted Critical
Publication of DE3325972C2 publication Critical patent/DE3325972C2/de
Expired 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
    • G11B5/68—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
    • G11B5/708—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 addition of non-magnetic particles to the 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

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
DE3325972A 1982-07-20 1983-07-19 Magnetaufzeichnungsmaterial Expired DE3325972C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57125154A JPS5916139A (ja) 1982-07-20 1982-07-20 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE3325972A1 DE3325972A1 (de) 1984-02-02
DE3325972C2 true DE3325972C2 (de) 1986-01-23

Family

ID=14903204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3325972A Expired DE3325972C2 (de) 1982-07-20 1983-07-19 Magnetaufzeichnungsmaterial

Country Status (3)

Country Link
US (1) US4547425A (enExample)
JP (1) JPS5916139A (enExample)
DE (1) DE3325972C2 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60124025A (ja) * 1983-12-06 1985-07-02 Fuji Photo Film Co Ltd 磁気記録媒体
JPS60173719A (ja) * 1984-02-17 1985-09-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0654532B2 (ja) * 1984-07-12 1994-07-20 富士写真フイルム株式会社 磁気記録媒体
JPS61124038A (ja) * 1984-11-20 1986-06-11 Toshiba Corp 電磁偏向型ブラウン管用偏向ヨ−ク及びその製造方法
KR900002991B1 (en) * 1985-05-29 1990-05-04 Victor Company Of Japan Magnetic recording carrier
JPS6222237A (ja) * 1985-07-22 1987-01-30 Victor Co Of Japan Ltd 磁気記録媒体
US5547599A (en) * 1989-03-17 1996-08-20 Raytheon Company Ferrite/epoxy film
JPH03102617A (ja) * 1989-09-16 1991-04-30 Hitachi Maxell Ltd 磁気記録テープ
US5811179A (en) * 1993-04-06 1998-09-22 Matsushita Electric Industrial Co., Ltd. Magnetic recording medium
JPH1173640A (ja) * 1997-08-28 1999-03-16 Sony Corp 磁気記録媒体
US6346565B1 (en) * 1999-07-02 2002-02-12 Bridgestone Corporation Synthetic resin composition for resin magnet, molded resin magnet, and production process for synthetic resin composition
US7227717B1 (en) * 2001-06-18 2007-06-05 Seagate Technology Llc Asymmetric disk surface properties in one head disk drives
FR2921510B1 (fr) 2007-09-20 2010-03-12 Electricite De France Procede de remplissage en eau et de vidange en air du circuit primaire principal d'une tranche nucleaire, couvercle et bride pour la mise en oeuvre de ce procede

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751345A (en) * 1969-03-10 1973-08-07 Sperry Rand Corp Method of producing a magnetic storage medium
JPS54143608A (en) * 1978-04-29 1979-11-09 Victor Co Of Japan Ltd Magnetic recording medium
JPS583292B2 (ja) * 1978-10-12 1983-01-20 ティーディーケイ株式会社 磁気記録媒体用磁性塗料の製造法
JPS5584045A (en) * 1978-12-19 1980-06-24 Nec Corp Magnetic memory substance and its manufacture
JPS56156934A (en) * 1980-05-08 1981-12-03 Yoshiro Nakamatsu Uneven orientation recording medium
JPS576439A (en) * 1980-06-13 1982-01-13 Tdk Corp Magnetic recording medium
JPS5724027A (en) * 1980-07-16 1982-02-08 Tdk Corp Magnetic recording medium

Also Published As

Publication number Publication date
DE3325972A1 (de) 1984-02-02
JPS5916139A (ja) 1984-01-27
JPS6221185B2 (enExample) 1987-05-11
US4547425A (en) 1985-10-15

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee