JPS58177522A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPS58177522A
JPS58177522A JP57060564A JP6056482A JPS58177522A JP S58177522 A JPS58177522 A JP S58177522A JP 57060564 A JP57060564 A JP 57060564A JP 6056482 A JP6056482 A JP 6056482A JP S58177522 A JPS58177522 A JP S58177522A
Authority
JP
Japan
Prior art keywords
film
polyester
reaction
glycol
polyoxyalkylene glycol
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
JP57060564A
Other languages
English (en)
Japanese (ja)
Other versions
JPH025175B2 (2
Inventor
Takashi Kagiyama
鍵山　喬
Satoshi Otonari
音成　敏
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.)
Diafoil Co Ltd
Original Assignee
Diafoil 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 Diafoil Co Ltd filed Critical Diafoil Co Ltd
Priority to JP57060564A priority Critical patent/JPS58177522A/ja
Publication of JPS58177522A publication Critical patent/JPS58177522A/ja
Publication of JPH025175B2 publication Critical patent/JPH025175B2/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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate

Landscapes

  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP57060564A 1982-04-12 1982-04-12 磁気記録媒体 Granted JPS58177522A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57060564A JPS58177522A (ja) 1982-04-12 1982-04-12 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57060564A JPS58177522A (ja) 1982-04-12 1982-04-12 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS58177522A true JPS58177522A (ja) 1983-10-18
JPH025175B2 JPH025175B2 (2) 1990-01-31

Family

ID=13145882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57060564A Granted JPS58177522A (ja) 1982-04-12 1982-04-12 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS58177522A (2)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6296530A (ja) * 1985-10-23 1987-05-06 Diafoil Co Ltd 磁気記録媒体用ポリエステルフイルム
JPS6296559A (ja) * 1985-10-24 1987-05-06 Diafoil Co Ltd 磁気記録媒体用ポリエステルフイルム
JPS6383912A (ja) * 1986-09-29 1988-04-14 Teijin Ltd 磁気記録テ−プ
JP2007107492A (ja) * 2005-10-17 2007-04-26 Kawasaki Heavy Ind Ltd レジャービィークル用エンジン

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228304A (en) * 1975-08-28 1977-03-03 Fuji Photo Film Co Ltd Magnetic recording media
JPS5240848A (en) * 1976-02-25 1977-03-30 Sanyo Electric Co Ltd Sun heat collecting device
JPS53107314A (en) * 1977-03-01 1978-09-19 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS5444994A (en) * 1977-08-30 1979-04-09 Teijin Ltd Print film for packaging use
JPS5444993A (en) * 1977-08-16 1979-04-09 Teijin Ltd Print packaging film

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228304A (en) * 1975-08-28 1977-03-03 Fuji Photo Film Co Ltd Magnetic recording media
JPS5240848A (en) * 1976-02-25 1977-03-30 Sanyo Electric Co Ltd Sun heat collecting device
JPS53107314A (en) * 1977-03-01 1978-09-19 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS5444993A (en) * 1977-08-16 1979-04-09 Teijin Ltd Print packaging film
JPS5444994A (en) * 1977-08-30 1979-04-09 Teijin Ltd Print film for packaging use

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6296530A (ja) * 1985-10-23 1987-05-06 Diafoil Co Ltd 磁気記録媒体用ポリエステルフイルム
JPS6296559A (ja) * 1985-10-24 1987-05-06 Diafoil Co Ltd 磁気記録媒体用ポリエステルフイルム
JPS6383912A (ja) * 1986-09-29 1988-04-14 Teijin Ltd 磁気記録テ−プ
JP2007107492A (ja) * 2005-10-17 2007-04-26 Kawasaki Heavy Ind Ltd レジャービィークル用エンジン

Also Published As

Publication number Publication date
JPH025175B2 (2) 1990-01-31

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