JPS57150135A - Magnetic recording body - Google Patents

Magnetic recording body

Info

Publication number
JPS57150135A
JPS57150135A JP56035833A JP3583381A JPS57150135A JP S57150135 A JPS57150135 A JP S57150135A JP 56035833 A JP56035833 A JP 56035833A JP 3583381 A JP3583381 A JP 3583381A JP S57150135 A JPS57150135 A JP S57150135A
Authority
JP
Japan
Prior art keywords
background layer
magnetic recording
friction coefficient
recording body
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.)
Granted
Application number
JP56035833A
Other languages
English (en)
Other versions
JPH0434204B2 (ja
Inventor
Masami Sato
Goro Akashi
Yasutoshi Okuzawa
Toshimitsu Okutsu
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 JP56035833A priority Critical patent/JPS57150135A/ja
Priority to US06/356,285 priority patent/US4442171A/en
Priority to DE19823208703 priority patent/DE3208703A1/de
Publication of JPS57150135A publication Critical patent/JPS57150135A/ja
Publication of JPH0434204B2 publication Critical patent/JPH0434204B2/ja
Granted 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
    • G11B5/73—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
    • 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
    • G11B5/7356—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 comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
    • G11B5/7358—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 comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2 specially adapted for achieving a specific property, e.g. average roughness [Ra]
    • 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.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP56035833A 1981-03-12 1981-03-12 Magnetic recording body Granted JPS57150135A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56035833A JPS57150135A (en) 1981-03-12 1981-03-12 Magnetic recording body
US06/356,285 US4442171A (en) 1981-03-12 1982-03-09 Magnetic recording medium
DE19823208703 DE3208703A1 (de) 1981-03-12 1982-03-11 Magnetisches aufzeichnungsmedium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56035833A JPS57150135A (en) 1981-03-12 1981-03-12 Magnetic recording body

Publications (2)

Publication Number Publication Date
JPS57150135A true JPS57150135A (en) 1982-09-16
JPH0434204B2 JPH0434204B2 (ja) 1992-06-05

Family

ID=12452960

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56035833A Granted JPS57150135A (en) 1981-03-12 1981-03-12 Magnetic recording body

Country Status (3)

Country Link
US (1) US4442171A (ja)
JP (1) JPS57150135A (ja)
DE (1) DE3208703A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142742A (ja) * 1983-02-04 1984-08-16 Fuji Photo Film Co Ltd 磁気記録媒体
JPS60107729A (ja) * 1983-11-16 1985-06-13 Fuji Photo Film Co Ltd 磁気記録媒体

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59198532A (ja) * 1983-04-25 1984-11-10 Fuji Photo Film Co Ltd 磁気記録媒体
JPS59210534A (ja) * 1983-05-16 1984-11-29 Fuji Photo Film Co Ltd 磁気記録媒体
DE3418907A1 (de) * 1983-05-19 1984-11-22 Tdk Corp., Tokio/Tokyo Magnetisches aufzeichnungsmaterial
JPS6045936A (ja) * 1983-08-22 1985-03-12 Tdk Corp 磁気記録媒体
US4567083A (en) * 1983-10-17 1986-01-28 Tdk Corporation Magnetic recording medium
DE3347532A1 (de) * 1983-12-30 1985-07-11 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
JPH0762892B2 (ja) * 1984-06-08 1995-07-05 ティーディーケイ株式会社 画像記録用磁気記録媒体
JPS6154032A (ja) * 1984-08-23 1986-03-18 Fuji Photo Film Co Ltd 磁気記録媒体
JPS61104426A (ja) * 1984-10-24 1986-05-22 Fuji Photo Film Co Ltd 磁気記録媒体
JPS61214215A (ja) * 1985-03-20 1986-09-24 Hitachi Maxell Ltd 磁気記録媒体
JPH0736210B2 (ja) * 1985-05-15 1995-04-19 富士写真フイルム株式会社 クリ−ニングテ−プ
JPS621112A (ja) * 1985-06-26 1987-01-07 Hitachi Maxell Ltd 磁気記録媒体
JPH07287835A (ja) * 1994-02-25 1995-10-31 Toyo Ink Mfg Co Ltd 磁気記録媒体

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515569A (en) * 1966-11-21 1970-06-02 Dow Chemical Co Method of preparing smooth surfaced articles and articles provided by the method
US4135032A (en) * 1972-05-31 1979-01-16 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS5337003B2 (ja) * 1974-05-22 1978-10-06
JPS5126006A (ja) * 1974-08-28 1976-03-03 Fuji Photo Film Co Ltd
US4175145A (en) * 1975-04-28 1979-11-20 Teletype Corporation Making memory structure for laser recording system
US4153920A (en) * 1975-08-23 1979-05-08 Fuji Photo Film Co., Ltd. Recording method employing a magnetic recording medium
NL7800122A (nl) * 1978-01-05 1979-07-09 Philips Nv Magnetische registratieband en drager voor een magnetische registratieband.
US4328935A (en) * 1980-06-12 1982-05-11 Minnesota Mining And Manufacturing Company Flexible magnetic recording tape having low-friction backside coating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142742A (ja) * 1983-02-04 1984-08-16 Fuji Photo Film Co Ltd 磁気記録媒体
JPS60107729A (ja) * 1983-11-16 1985-06-13 Fuji Photo Film Co Ltd 磁気記録媒体

Also Published As

Publication number Publication date
JPH0434204B2 (ja) 1992-06-05
US4442171A (en) 1984-04-10
DE3208703C2 (ja) 1990-01-04
DE3208703A1 (de) 1982-10-28

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