JPS59218632A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPS59218632A
JPS59218632A JP58092495A JP9249583A JPS59218632A JP S59218632 A JPS59218632 A JP S59218632A JP 58092495 A JP58092495 A JP 58092495A JP 9249583 A JP9249583 A JP 9249583A JP S59218632 A JPS59218632 A JP S59218632A
Authority
JP
Japan
Prior art keywords
magnetic recording
resin
recording medium
carbon black
binder
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
JP58092495A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0481255B2 (enExample
Inventor
Tadashi Ishiguro
忠 石黒
Ryuji Shirahata
龍司 白幡
Takahito Miyoshi
孝仁 三好
Masaaki Fujiyama
正昭 藤山
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 JP58092495A priority Critical patent/JPS59218632A/ja
Priority to US06/614,930 priority patent/US4578311A/en
Publication of JPS59218632A publication Critical patent/JPS59218632A/ja
Publication of JPH0481255B2 publication Critical patent/JPH0481255B2/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
    • 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
    • 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
    • Y10T428/26—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
    • 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
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Lubricants (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
JP58092495A 1983-05-27 1983-05-27 磁気記録媒体 Granted JPS59218632A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58092495A JPS59218632A (ja) 1983-05-27 1983-05-27 磁気記録媒体
US06/614,930 US4578311A (en) 1983-05-27 1984-05-29 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58092495A JPS59218632A (ja) 1983-05-27 1983-05-27 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS59218632A true JPS59218632A (ja) 1984-12-08
JPH0481255B2 JPH0481255B2 (enExample) 1992-12-22

Family

ID=14055874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58092495A Granted JPS59218632A (ja) 1983-05-27 1983-05-27 磁気記録媒体

Country Status (2)

Country Link
US (1) US4578311A (enExample)
JP (1) JPS59218632A (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61122921A (ja) * 1984-11-19 1986-06-10 Fuji Photo Film Co Ltd 磁気記録媒体
DE3818903A1 (de) * 1988-06-03 1989-12-14 Stama Maschinenfabrik Gmbh Bohr- und fraeswerk
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
US5645917A (en) 1991-04-25 1997-07-08 Fuji Photo Film Co., Ltd. Magnetic recording medium
ES2124806T3 (es) * 1993-03-22 1999-02-16 Union Carbide Chem Plastic Medios de registro magneticos.
DE69510878T2 (de) * 1994-09-05 1999-11-11 Victor Company Of Japan, Ltd. Magnetisches Aufzeichnungsmedium
US5958565A (en) * 1996-04-26 1999-09-28 Fuji Photo Film Co., Ltd. Magnetic recording tape favorably employable for computer data storage
US20030054203A1 (en) * 1997-10-22 2003-03-20 Quantum Corporation, A California Corporation Magnetic tape
GB2335785B (en) 1998-03-24 2002-09-18 Quantum Corp Multi-channel magnetic tape system having optical tracking servo
US7153366B1 (en) 1998-03-24 2006-12-26 Quantum Corporation Systems and method for forming a servo pattern on a magnetic tape
US7029726B1 (en) 1999-07-27 2006-04-18 Quantum Corporation Method for forming a servo pattern on a magnetic tape
AU2441099A (en) 1999-02-16 2000-09-04 Quantum Corporation Method of writing servo signal on magnetic tape
WO2000049605A1 (en) 1999-02-17 2000-08-24 Quantum Corporation Method of writing servo signal on magnetic tape
US6961200B2 (en) * 1999-07-27 2005-11-01 Quantum Corporation Optical servo track identification on tape storage media
US6558774B1 (en) 1999-08-17 2003-05-06 Quantum Corporation Multiple-layer backcoating for magnetic tape
US6940676B1 (en) 2000-06-07 2005-09-06 Quantum Corporation Triple push-pull optical tracking system
US6940681B2 (en) 2001-08-20 2005-09-06 Quantum Corporation Optical to magnetic alignment in magnetic tape system
US7023650B2 (en) 2001-11-07 2006-04-04 Quantum Corporation Optical sensor to recording head alignment
US6980390B2 (en) * 2003-02-05 2005-12-27 Quantum Corporation Magnetic media with embedded optical servo tracks
US7187515B2 (en) * 2003-02-05 2007-03-06 Quantum Corporation Method and system for tracking magnetic media with embedded optical servo tracks

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57111828A (en) * 1980-12-29 1982-07-12 Sony Corp Magnetic recording medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5698719A (en) * 1980-01-10 1981-08-08 Fuji Photo Film Co Ltd Magnetic recording medium
JPS57130234A (en) * 1981-02-02 1982-08-12 Fuji Photo Film Co Ltd Magnetic recording medium
JPS57169929A (en) * 1981-04-13 1982-10-19 Tdk Corp Magnetic recording medium and its manufacture

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57111828A (en) * 1980-12-29 1982-07-12 Sony Corp Magnetic recording medium

Also Published As

Publication number Publication date
JPH0481255B2 (enExample) 1992-12-22
US4578311A (en) 1986-03-25

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