JP2009087470A - 磁気記録媒体およびその製造方法 - Google Patents

磁気記録媒体およびその製造方法 Download PDF

Info

Publication number
JP2009087470A
JP2009087470A JP2007256665A JP2007256665A JP2009087470A JP 2009087470 A JP2009087470 A JP 2009087470A JP 2007256665 A JP2007256665 A JP 2007256665A JP 2007256665 A JP2007256665 A JP 2007256665A JP 2009087470 A JP2009087470 A JP 2009087470A
Authority
JP
Japan
Prior art keywords
magnetic
nonmagnetic
layer
recording medium
magnetic recording
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.)
Abandoned
Application number
JP2007256665A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009087470A5 (enExample
Inventor
Katsuhiko Meguro
克彦 目黒
Masatoshi Takahashi
昌敏 高橋
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 Corp
Original Assignee
Fujifilm Corp
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 Fujifilm Corp filed Critical Fujifilm Corp
Priority to JP2007256665A priority Critical patent/JP2009087470A/ja
Priority to US12/239,937 priority patent/US7960045B2/en
Publication of JP2009087470A publication Critical patent/JP2009087470A/ja
Publication of JP2009087470A5 publication Critical patent/JP2009087470A5/ja
Abandoned legal-status Critical Current

Links

Images

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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • 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
    • G11B5/733—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 addition of non-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
    • G11B5/73—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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
JP2007256665A 2007-09-28 2007-09-28 磁気記録媒体およびその製造方法 Abandoned JP2009087470A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007256665A JP2009087470A (ja) 2007-09-28 2007-09-28 磁気記録媒体およびその製造方法
US12/239,937 US7960045B2 (en) 2007-09-28 2008-09-29 Magnetic recording medium and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007256665A JP2009087470A (ja) 2007-09-28 2007-09-28 磁気記録媒体およびその製造方法

Publications (2)

Publication Number Publication Date
JP2009087470A true JP2009087470A (ja) 2009-04-23
JP2009087470A5 JP2009087470A5 (enExample) 2010-03-25

Family

ID=40508734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007256665A Abandoned JP2009087470A (ja) 2007-09-28 2007-09-28 磁気記録媒体およびその製造方法

Country Status (2)

Country Link
US (1) US7960045B2 (enExample)
JP (1) JP2009087470A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012046592A (ja) * 2010-08-25 2012-03-08 Teijin Dupont Films Japan Ltd 配向フィルム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06150290A (ja) * 1992-10-30 1994-05-31 Fuji Photo Film Co Ltd 磁気記録媒体
JPH11110735A (ja) * 1997-10-01 1999-04-23 Kao Corp 磁気記録媒体の製造方法及び磁気記録媒体
JP2001254008A (ja) * 2000-03-10 2001-09-18 Toray Ind Inc 二軸配向ポリエステルフィルム及び磁気記録媒体
JP2005346865A (ja) * 2004-06-04 2005-12-15 Toray Ind Inc 磁気記録媒体
JP2007188613A (ja) * 2006-01-16 2007-07-26 Fujifilm Corp 磁気記録媒体及びその製造方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650828A (en) * 1969-09-04 1972-03-21 Karex Inc Magnetic coating formulation for recording tape
US4169912A (en) * 1975-10-02 1979-10-02 Dynamit Nobel Aktiengesellschaft Iron oxide magnetic pigments for the production of magnetic coatings
US5419943A (en) 1992-10-30 1995-05-30 Fuji Photo Film Co., Ltd. Magnetic recording medium having a magnetic layer with a Tg of 80° C.° C.
US5695710A (en) * 1995-05-09 1997-12-09 Hoechst Celanese Corp. Transesterified pet/pen via melt extrusion
JP2000057561A (ja) * 1998-08-07 2000-02-25 Fuji Photo Film Co Ltd 磁気テープ
US6777102B2 (en) * 2001-02-23 2004-08-17 Fuji Photo Film Co., Ltd. Curable composition and hardcoated article employing same
US7022385B1 (en) * 2001-10-04 2006-04-04 Nucoat, Inc. Laminated imaged recording media
JP2004005890A (ja) * 2002-04-16 2004-01-08 Fuji Photo Film Co Ltd 磁気記録媒体
US7090935B2 (en) * 2003-02-28 2006-08-15 Dai Nippon Printing Co., Ltd. Magnetic card
US20040191570A1 (en) * 2003-03-31 2004-09-30 Edwards Bruce H. Magnetic recording media having increased high density broadband signal-to-noise ratio
US7144632B2 (en) * 2003-06-11 2006-12-05 E. I. Du Pont De Nemours And Company Aliphatic-aromatic polyetherester compositions, articles, films, coating and laminates and processes for producing same
US7368188B2 (en) * 2004-01-30 2008-05-06 Fujifilm Corporation Magnetic recording medium
JP2007004874A (ja) * 2005-06-22 2007-01-11 Fujifilm Holdings Corp テープ状記録媒体の製造方法
US20070059563A1 (en) * 2005-09-13 2007-03-15 Fuji Photo Film Co., Ltd. Magnetic recording medium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06150290A (ja) * 1992-10-30 1994-05-31 Fuji Photo Film Co Ltd 磁気記録媒体
JPH11110735A (ja) * 1997-10-01 1999-04-23 Kao Corp 磁気記録媒体の製造方法及び磁気記録媒体
JP2001254008A (ja) * 2000-03-10 2001-09-18 Toray Ind Inc 二軸配向ポリエステルフィルム及び磁気記録媒体
JP2005346865A (ja) * 2004-06-04 2005-12-15 Toray Ind Inc 磁気記録媒体
JP2007188613A (ja) * 2006-01-16 2007-07-26 Fujifilm Corp 磁気記録媒体及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012046592A (ja) * 2010-08-25 2012-03-08 Teijin Dupont Films Japan Ltd 配向フィルム

Also Published As

Publication number Publication date
US7960045B2 (en) 2011-06-14
US20090087686A1 (en) 2009-04-02

Similar Documents

Publication Publication Date Title
US20090086369A1 (en) Magnetic recording medium, magnetic signal reproduction method and magnetic signal reproduction system
US20050260459A1 (en) Magnetic recording medium
JP2005332459A (ja) 磁気記録媒体
JP2007265574A (ja) 磁気記録媒体
JP2006286114A (ja) 磁気記録媒体
JP2007294079A (ja) 磁気テープ
JP2006114152A (ja) 磁気記録媒体
JP2007294085A (ja) 磁気記録媒体、磁気信号再生システムおよび磁気信号再生方法
JP2007250078A (ja) 磁気記録媒体
JP2007273038A (ja) 磁気記録媒体
JP2006277838A (ja) 磁気記録媒体
US20070166571A1 (en) Magnetic recording medium and process of production thereof
JP2007287312A (ja) 磁気記録媒体
JP2007273041A (ja) 磁気記録媒体
US7960045B2 (en) Magnetic recording medium and method of manufacturing the same
JP2005222603A (ja) 磁気記録媒体
US20070231616A1 (en) Magnetic recording medium
US7368189B2 (en) Magnetic recording medium
JP2006318550A (ja) 磁気記録媒体
JPH1125442A (ja) 磁気記録媒体
JP2007012225A (ja) 磁気記録媒体
JP2006286074A (ja) 磁気記録媒体
JP2006338795A (ja) 磁気記録媒体
JP2007305208A (ja) 磁気記録媒体およびその製造方法
US20070224458A1 (en) Magnetic recording medium

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100208

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100208

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20101210

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20101214

A762 Written abandonment of application

Free format text: JAPANESE INTERMEDIATE CODE: A762

Effective date: 20110208