JPS5116905A - - Google Patents

Info

Publication number
JPS5116905A
JPS5116905A JP49088416A JP8841674A JPS5116905A JP S5116905 A JPS5116905 A JP S5116905A JP 49088416 A JP49088416 A JP 49088416A JP 8841674 A JP8841674 A JP 8841674A JP S5116905 A JPS5116905 A JP S5116905A
Authority
JP
Japan
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.)
Granted
Application number
JP49088416A
Other versions
JPS574013B2 (ja
Inventor
Goro Akashi
Masaaki Fujama
Nobutaka Yamaguchi
Satoru Takayama
Koji Sasazawa
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 Holdings 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
Priority to JP8841674A priority Critical patent/JPS574013B2/ja
Priority to DE2534301A priority patent/DE2534301C2/de
Priority to US05/600,689 priority patent/US4002804A/en
Publication of JPS5116905A publication Critical patent/JPS5116905A/ja
Publication of JPS574013B2 publication Critical patent/JPS574013B2/ja
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
    • G11B5/714—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 dimension of the magnetic particles
    • 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
    • G11B5/62—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
    • G11B5/70626—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 containing non-metallic substances
    • G11B5/70642—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 containing non-metallic substances iron oxides
    • G11B5/70678—Ferrites
    • G11B5/70684—Ferro-ferrioxydes
    • G11B5/70694—Non-stoechiometric ferro-ferrioxydes, e.g. berthollide
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y10T428/24975—No layer or component greater than 5 mils thick

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP8841674A 1974-07-31 1974-07-31 Expired JPS574013B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8841674A JPS574013B2 (ja) 1974-07-31 1974-07-31
DE2534301A DE2534301C2 (de) 1974-07-31 1975-07-31 Magnetisches Aufzeichnungsmaterial
US05/600,689 US4002804A (en) 1974-07-31 1975-07-31 Magnetic recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8841674A JPS574013B2 (ja) 1974-07-31 1974-07-31

Publications (2)

Publication Number Publication Date
JPS5116905A true JPS5116905A (ja) 1976-02-10
JPS574013B2 JPS574013B2 (ja) 1982-01-23

Family

ID=13942177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8841674A Expired JPS574013B2 (ja) 1974-07-31 1974-07-31

Country Status (3)

Country Link
US (1) US4002804A (ja)
JP (1) JPS574013B2 (ja)
DE (1) DE2534301C2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201587A (en) * 1981-06-02 1982-12-10 Jinsaku Yotsuya Lime for water treatment

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115290A (en) * 1976-05-24 1978-09-19 Tdk Electronics Co., Ltd. Magnetic recording medium
JPS5313907A (en) * 1976-07-26 1978-02-08 Fuji Photo Film Co Ltd Reader or trailer for magnetic tape
US4110300A (en) * 1976-11-12 1978-08-29 Toray Silicone Company, Ltd. Self-extinguishing silicone rubber compositions
JPS5366202A (en) * 1976-11-26 1978-06-13 Fuji Photo Film Co Ltd Magnetic recording tape
DE2752895A1 (de) * 1976-12-06 1978-06-08 Emi Ltd Verfahren zur herstellung einer materialschicht, deren oberflaeche ein abtastbares muster aufweist, sowie sicherheitsdokumentensystem
GB1603213A (en) * 1977-04-20 1981-11-18 Hitachi Maxell Cobalt containing iron oxide magnetic particles and method for the preparation of the same
JPS54107709A (en) * 1978-02-10 1979-08-23 Victor Co Of Japan Ltd Magnetic recording material
JPS582414B2 (ja) * 1978-04-24 1983-01-17 日本ビクター株式会社 磁気記録媒体
JPS5585426A (en) * 1978-12-21 1980-06-27 Tdk Corp Magnetic powder for toner or ink and production thereof
JPS55125538A (en) * 1979-03-22 1980-09-27 Tdk Corp Magnetic recording medium
FR2480764B1 (fr) * 1980-04-18 1985-10-04 Rhone Poulenc Spec Chim Latex de polymeres magnetiques et procede de preparation
JPS57150129A (en) * 1981-03-12 1982-09-16 Fuji Photo Film Co Ltd Magnetic recording medium
US4419257A (en) * 1981-11-12 1983-12-06 Memorex Corporation Magnetic coating composition
JPS60261024A (ja) * 1984-06-07 1985-12-24 Victor Co Of Japan Ltd 磁気記録媒体
US4822509A (en) * 1986-11-06 1989-04-18 Eltech Systems Corporation Highly magnetic iron oxide powder
DE3714783A1 (de) * 1987-05-04 1988-11-24 Rainer Kuenstler Druckfarbe und verwendung derselben
MY107614A (en) * 1990-09-26 1996-05-15 Ishihara Sangyo Kaisha Acicular ferromagnetic iron oxide particles and process for producing the same
US6482330B1 (en) 1999-10-01 2002-11-19 Komag, Inc. Method for manufacturing a data storage card
US6808741B1 (en) * 2001-10-26 2004-10-26 Seagate Technology Llc In-line, pass-by method for vapor lubrication
US7580180B2 (en) 2002-03-21 2009-08-25 Sipix Imaging, Inc. Magnetophoretic and electromagnetophoretic displays
US7113323B2 (en) * 2002-03-21 2006-09-26 Sipix Imaging, Inc. Magnetophoretic and electromagnetophoretic displays
TW578121B (en) * 2002-03-21 2004-03-01 Sipix Imaging Inc Magnetophoretic and electromagnetophoretic display

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337075A (en) * 1967-08-22 Storage media
US3031341A (en) * 1958-01-23 1962-04-24 Ibm High density magnetic recording tape
JPS5528129B1 (ja) * 1967-08-10 1980-07-25
US3833412A (en) * 1967-08-24 1974-09-03 Fuji Photo Film Co Ltd Magnetic recording medium
FR1561251A (ja) * 1968-01-12 1969-03-28
JPS4839120B1 (ja) * 1968-06-11 1973-11-21
JPS5526528B1 (ja) * 1968-11-06 1980-07-14
US3824128A (en) * 1969-10-07 1974-07-16 Fuji Photo Film Co Ltd Magnetic recording medium
GB1363448A (en) * 1970-10-05 1974-08-14 Fuji Photo Film Co Ltd Magnetic recording material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201587A (en) * 1981-06-02 1982-12-10 Jinsaku Yotsuya Lime for water treatment
JPH0247242B2 (ja) * 1981-06-02 1990-10-19 Jinsaku Yotsuya

Also Published As

Publication number Publication date
US4002804A (en) 1977-01-11
DE2534301A1 (de) 1976-02-12
JPS574013B2 (ja) 1982-01-23
DE2534301C2 (de) 1983-11-24

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