JPS57208637A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS57208637A
JPS57208637A JP56094013A JP9401381A JPS57208637A JP S57208637 A JPS57208637 A JP S57208637A JP 56094013 A JP56094013 A JP 56094013A JP 9401381 A JP9401381 A JP 9401381A JP S57208637 A JPS57208637 A JP S57208637A
Authority
JP
Japan
Prior art keywords
magnetic recording
composition
binder
back layer
recording medium
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.)
Pending
Application number
JP56094013A
Other languages
English (en)
Inventor
Masahiro Takizawa
Yoshio Kawakami
Norifumi Kajimoto
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP56094013A priority Critical patent/JPS57208637A/ja
Priority to US06/388,053 priority patent/US4452863A/en
Priority to DE19823222777 priority patent/DE3222777A1/de
Publication of JPS57208637A publication Critical patent/JPS57208637A/ja
Pending 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
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • 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]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31565—Next to polyester [polyethylene terephthalate, etc.]
    • 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]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Lubricants (AREA)
JP56094013A 1981-06-19 1981-06-19 Magnetic recording medium Pending JPS57208637A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56094013A JPS57208637A (en) 1981-06-19 1981-06-19 Magnetic recording medium
US06/388,053 US4452863A (en) 1981-06-19 1982-06-14 Magnetic recording medium
DE19823222777 DE3222777A1 (de) 1981-06-19 1982-06-18 Magnetischer aufzeichnungstraeger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56094013A JPS57208637A (en) 1981-06-19 1981-06-19 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS57208637A true JPS57208637A (en) 1982-12-21

Family

ID=14098594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56094013A Pending JPS57208637A (en) 1981-06-19 1981-06-19 Magnetic recording medium

Country Status (3)

Country Link
US (1) US4452863A (ja)
JP (1) JPS57208637A (ja)
DE (1) DE3222777A1 (ja)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS593723A (ja) * 1982-06-29 1984-01-10 Fuji Photo Film Co Ltd 磁気記録媒体
JPS5924437A (ja) * 1982-08-02 1984-02-08 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0654536B2 (ja) * 1983-02-04 1994-07-20 富士写真フイルム株式会社 磁気記録媒体
JPS59162624A (ja) * 1983-03-07 1984-09-13 Fuji Photo Film Co Ltd 磁気記録体
JPS59167846A (ja) * 1983-03-14 1984-09-21 Fuji Photo Film Co Ltd 磁気記録体
US4950535A (en) * 1983-03-25 1990-08-21 Tdk Corporation Magnetic recording medium
JPS59198532A (ja) * 1983-04-25 1984-11-10 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6028024A (ja) * 1983-07-26 1985-02-13 Tdk Corp 磁気記録媒体
JPS6028023A (ja) * 1983-07-26 1985-02-13 Tdk Corp 磁気記録媒体
JPS6027539A (ja) * 1983-07-26 1985-02-12 帝人株式会社 易滑性ポリエステルフイルム
JPS6038725A (ja) * 1983-08-09 1985-02-28 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6045936A (ja) * 1983-08-22 1985-03-12 Tdk Corp 磁気記録媒体
JPS6045937A (ja) * 1983-08-22 1985-03-12 Tdk Corp 磁気記録媒体
JPS6059528A (ja) * 1983-09-12 1985-04-05 Tdk Corp 磁気記録媒体
JPS6066317A (ja) * 1983-09-20 1985-04-16 Tdk Corp 磁気記録媒体
JPS6070522A (ja) * 1983-09-28 1985-04-22 Kanto Denka Kogyo Kk 磁気記録媒体
JPS6070521A (ja) * 1983-09-28 1985-04-22 Kanto Denka Kogyo Kk 磁気記録媒体
JPS6079523A (ja) * 1983-10-05 1985-05-07 Tdk Corp 樹脂組成物およびそれを用いた磁気記録媒体
US4567083A (en) * 1983-10-17 1986-01-28 Tdk Corporation Magnetic recording medium
JPS60107729A (ja) * 1983-11-16 1985-06-13 Fuji Photo Film Co Ltd 磁気記録媒体
JPS60136913A (ja) * 1983-12-26 1985-07-20 Konishiroku Photo Ind Co Ltd 磁気記録媒体
DE3347532A1 (de) * 1983-12-30 1985-07-11 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
JPS60167114A (ja) * 1984-02-10 1985-08-30 Tdk Corp 磁気記録媒体
JPH0610866B2 (ja) * 1984-06-26 1994-02-09 ティーディーケイ株式会社 磁気記録媒体
JPS6111921A (ja) * 1984-06-27 1986-01-20 Tdk Corp 磁気記録媒体および磁気記録方法
JPS6139921A (ja) * 1984-07-31 1986-02-26 Tdk Corp 磁気記録媒体および磁気記録方法
JPS6142723A (ja) * 1984-08-02 1986-03-01 Tdk Corp 磁気記録媒体および磁気記録方法
JPS6142724A (ja) * 1984-08-03 1986-03-01 Tdk Corp 磁気記録媒体および磁気記録方法
US4649072A (en) * 1984-09-21 1987-03-10 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS6185620A (ja) * 1984-10-04 1986-05-01 Fuji Photo Film Co Ltd 磁気記録媒体
JPS61289522A (ja) * 1985-06-17 1986-12-19 Fuji Photo Film Co Ltd 磁気記録媒体
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
JP4443079B2 (ja) * 2001-09-13 2010-03-31 株式会社日立メディコ 磁気共鳴イメージング装置及び磁気共鳴イメージング装置用ｒｆ受信コイル
US7690867B2 (en) * 2007-08-13 2010-04-06 Meyer John W Center beam connection assembly for temporary shoring

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5729769B2 (ja) * 1974-02-15 1982-06-24
US4115290A (en) * 1976-05-24 1978-09-19 Tdk Electronics Co., Ltd. Magnetic recording medium
US4189514A (en) * 1978-03-17 1980-02-19 Graham Magnetics, Inc. Process of making high-temperature magnetic tape
JPS55117739A (en) * 1979-03-03 1980-09-10 Hitachi Maxell Ltd Magnetic recording medium
DE3024918A1 (de) * 1979-07-02 1981-01-22 Fuji Photo Film Co Ltd Magnetisches aufzeichnungsmaterial und verfahren zu dessen herstellung
JPS5698719A (en) * 1980-01-10 1981-08-08 Fuji Photo Film Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
DE3222777C2 (ja) 1990-03-29
US4452863A (en) 1984-06-05
DE3222777A1 (de) 1983-01-05

Similar Documents

Publication Publication Date Title
JPS57208637A (en) Magnetic recording medium
JPS52102004A (en) Magnetic recording medium
JPS57150130A (en) Magnetic recording medium
JPS5414711A (en) Magnetic recording medium
JPS567233A (en) Magnetic recording medium
JPS53116115A (en) Magnetic recording medium
JPS57208636A (en) Magnetic recording medium
JPS5430002A (en) Magnetic recording medium using ffrromagnetic metal powders
JPS53106783A (en) Polyester film with improved travelling property
JPS57208635A (en) Magnetic recording medium
JPS57212623A (en) Magnetic recording medium
JPS5654637A (en) Magnetic recording medium
JPS55157131A (en) Magnetic tape
JPS55105826A (en) Base for magnetic recording tape
JPS5316605A (en) Improved magnetic recording medium
JPS57111828A (en) Magnetic recording medium
JPS51131303A (en) Magnetic recording medium
JPS5613522A (en) Magnetic recording medium
JPS56127932A (en) Magnetic recording medium
JPS57158066A (en) Video disk player
JPS56119930A (en) Magnetic recording medium
JPS5430804A (en) Reproducer of video signal
SU732990A1 (ru) Антистатический фрикционный слой носител магнитной записи
JPS5674829A (en) Magnetic recording medium
JPS53125803A (en) Magnetic recording medium