JPH024059B2 - - Google Patents

Info

Publication number
JPH024059B2
JPH024059B2 JP57033800A JP3380082A JPH024059B2 JP H024059 B2 JPH024059 B2 JP H024059B2 JP 57033800 A JP57033800 A JP 57033800A JP 3380082 A JP3380082 A JP 3380082A JP H024059 B2 JPH024059 B2 JP H024059B2
Authority
JP
Japan
Prior art keywords
film
magnetic
magnetic recording
value
tape
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.)
Expired - Lifetime
Application number
JP57033800A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58153231A (ja
Inventor
Tomoyuki Minami
Kazuhiro Tanaka
Takeshi Nishioka
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP57033800A priority Critical patent/JPS58153231A/ja
Publication of JPS58153231A publication Critical patent/JPS58153231A/ja
Publication of JPH024059B2 publication Critical patent/JPH024059B2/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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP57033800A 1982-03-05 1982-03-05 磁気記録テ−プ Granted JPS58153231A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57033800A JPS58153231A (ja) 1982-03-05 1982-03-05 磁気記録テ−プ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57033800A JPS58153231A (ja) 1982-03-05 1982-03-05 磁気記録テ−プ

Publications (2)

Publication Number Publication Date
JPS58153231A JPS58153231A (ja) 1983-09-12
JPH024059B2 true JPH024059B2 (enrdf_load_stackoverflow) 1990-01-25

Family

ID=12396543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57033800A Granted JPS58153231A (ja) 1982-03-05 1982-03-05 磁気記録テ−プ

Country Status (1)

Country Link
JP (1) JPS58153231A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62219317A (ja) * 1986-03-20 1987-09-26 Sony Corp 金属薄膜型磁気記録媒体
KR20000067585A (ko) * 1999-04-29 2000-11-25 장용균 이축배향 폴리에스테르 필름의 제조방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749378B2 (enrdf_load_stackoverflow) * 1974-04-26 1982-10-21
JPS51115571A (en) * 1975-04-04 1976-10-12 Asahi Chemical Ind Method of manufacturing polyester film
JPS5936851B2 (ja) * 1977-06-21 1984-09-06 東レ株式会社 ポリエステルフイルムの製造法
JPS5522915A (en) * 1978-08-07 1980-02-19 Toray Ind Inc Manufacture of polyester film
JPS5527211A (en) * 1978-08-15 1980-02-27 Toray Ind Inc Producing process of polyester film

Also Published As

Publication number Publication date
JPS58153231A (ja) 1983-09-12

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