JPS57162128A - Magnetic recording body - Google Patents

Magnetic recording body

Info

Publication number
JPS57162128A
JPS57162128A JP56046448A JP4644881A JPS57162128A JP S57162128 A JPS57162128 A JP S57162128A JP 56046448 A JP56046448 A JP 56046448A JP 4644881 A JP4644881 A JP 4644881A JP S57162128 A JPS57162128 A JP S57162128A
Authority
JP
Japan
Prior art keywords
fatty acid
magnetic
added
powder
abrasive
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
JP56046448A
Other languages
English (en)
Other versions
JPH0243253B2 (ja
Inventor
Nobutaka Yamaguchi
Masaaki Fujiyama
Takao Nasu
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 JP56046448A priority Critical patent/JPS57162128A/ja
Priority to DE19823211779 priority patent/DE3211779A1/de
Priority to US06/364,181 priority patent/US4420532A/en
Publication of JPS57162128A publication Critical patent/JPS57162128A/ja
Publication of JPH0243253B2 publication Critical patent/JPH0243253B2/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
    • G11B5/68—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
    • G11B5/7085—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 non-magnetic abrasive 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
    • G11B5/71—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 lubricant
    • 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
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/259—Silicic material

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP56046448A 1981-03-31 1981-03-31 Magnetic recording body Granted JPS57162128A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56046448A JPS57162128A (en) 1981-03-31 1981-03-31 Magnetic recording body
DE19823211779 DE3211779A1 (de) 1981-03-31 1982-03-30 Magnetisches aufzeichnungsmaterial
US06/364,181 US4420532A (en) 1981-03-31 1982-03-31 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56046448A JPS57162128A (en) 1981-03-31 1981-03-31 Magnetic recording body

Publications (2)

Publication Number Publication Date
JPS57162128A true JPS57162128A (en) 1982-10-05
JPH0243253B2 JPH0243253B2 (ja) 1990-09-27

Family

ID=12747432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56046448A Granted JPS57162128A (en) 1981-03-31 1981-03-31 Magnetic recording body

Country Status (3)

Country Link
US (1) US4420532A (ja)
JP (1) JPS57162128A (ja)
DE (1) DE3211779A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59186131A (ja) * 1983-04-06 1984-10-22 Tdk Corp 磁気記録媒体
US5705268A (en) * 1994-12-27 1998-01-06 Kao Corporation Magnetic recording medium with magnetic powder in lower magnetic layer having protective image diameters

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4668568A (en) * 1981-05-07 1987-05-26 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS58200423A (ja) * 1982-05-18 1983-11-22 Fuji Photo Film Co Ltd 磁気塗料組成物の製造方法
JPS595426A (ja) * 1982-06-30 1984-01-12 Fuji Photo Film Co Ltd 磁気記録体
US4595631A (en) * 1982-08-10 1986-06-17 Victor Company Of Japan, Limited Magnetic recording media comprising carbon black-adsorbed metal oxide particles in a magnetic recording layer
US4568619A (en) * 1983-06-09 1986-02-04 E. I. Du Pont De Nemours And Company Nonmagnetic particles to improve properties of magnetic recording compositions
JPS6028025A (ja) * 1983-07-26 1985-02-13 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6028026A (ja) * 1983-07-26 1985-02-13 Fuji Photo Film Co Ltd 磁気記録媒体
DE3407721A1 (de) * 1984-03-02 1985-09-12 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
JPS60261024A (ja) * 1984-06-07 1985-12-24 Victor Co Of Japan Ltd 磁気記録媒体
JPS6129417A (ja) * 1984-07-20 1986-02-10 Tdk Corp 画像記録用磁気記録媒体
JPS6157036A (ja) * 1984-08-27 1986-03-22 Tdk Corp 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
JPH0715746B2 (ja) * 1985-01-17 1995-02-22 富士写真フイルム株式会社 磁気記録媒体
KR940005563B1 (ko) * 1985-03-14 1994-06-20 히다찌 마구세루 가부시기가이샤 디스크 카아트리지
JPS61214215A (ja) * 1985-03-20 1986-09-24 Hitachi Maxell Ltd 磁気記録媒体
JPH0766526B2 (ja) * 1985-06-17 1995-07-19 富士写真フイルム株式会社 磁気記録媒体
JPH0736216B2 (ja) * 1985-10-15 1995-04-19 日立マクセル株式会社 磁気デイスク
US5034271A (en) * 1986-02-28 1991-07-23 Fuji Photo Film Co., Ltd. Magnetic recording medium
JP2527942B2 (ja) * 1986-09-18 1996-08-28 ティーディーケイ株式会社 磁気記録媒体
DE3731066A1 (de) * 1987-09-16 1989-04-06 Basf Ag Magnetische aufzeichnungstraeger
US4944802A (en) * 1988-09-16 1990-07-31 Omni Quest Corporation High coercivity magnetic inks and method for making same
DE4022221A1 (de) * 1990-07-12 1992-01-23 Basf Magnetics Gmbh Magnetband mit schleifmittel
JPH11513620A (ja) * 1995-10-20 1999-11-24 ミネソタ・マイニング・アンド・マニュファクチャリング・カンパニー 無機金属オルトリン酸塩を含有する研磨物品
US5702811A (en) * 1995-10-20 1997-12-30 Ho; Kwok-Lun High performance abrasive articles containing abrasive grains and nonabrasive composite grains
WO1997014534A1 (en) * 1995-10-20 1997-04-24 Minnesota Mining And Manufacturing Company Abrasive article containing an inorganic phosphate
JP3975367B2 (ja) * 1995-11-22 2007-09-12 富士フイルム株式会社 磁気記録媒体
JPH10320760A (ja) * 1997-05-21 1998-12-04 Fuji Photo Film Co Ltd 磁気記録媒体
US6270543B1 (en) 1997-10-02 2001-08-07 3M Innovative Properties Company Abrasive article containing an inorganic metal orthophosphate
US6039775A (en) * 1997-11-03 2000-03-21 3M Innovative Properties Company Abrasive article containing a grinding aid and method of making the same
US6979501B2 (en) * 2004-04-13 2005-12-27 Imation Corp. Magnetic recording medium having a smooth biaxially tensilized film substrate
US6989204B2 (en) * 2004-06-22 2006-01-24 Imation Corp. Magnetic recording medium having a dimensionally stable substrate
JP6320340B2 (ja) * 2015-03-31 2018-05-09 富士フイルム株式会社 磁気記録媒体および磁気信号再生装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582414B2 (ja) * 1978-04-24 1983-01-17 日本ビクター株式会社 磁気記録媒体
JPS54143608A (en) * 1978-04-29 1979-11-09 Victor Co Of Japan Ltd Magnetic recording medium
US4320159A (en) * 1978-06-26 1982-03-16 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS55117739A (en) * 1979-03-03 1980-09-10 Hitachi Maxell Ltd Magnetic recording medium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59186131A (ja) * 1983-04-06 1984-10-22 Tdk Corp 磁気記録媒体
JPH0512766B2 (ja) * 1983-04-06 1993-02-18 Tdk Electronics Co Ltd
US5705268A (en) * 1994-12-27 1998-01-06 Kao Corporation Magnetic recording medium with magnetic powder in lower magnetic layer having protective image diameters

Also Published As

Publication number Publication date
US4420532A (en) 1983-12-13
JPH0243253B2 (ja) 1990-09-27
DE3211779A1 (de) 1982-11-25

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