JPS58153231A - 磁気記録テ−プ - Google Patents

磁気記録テ−プ

Info

Publication number
JPS58153231A
JPS58153231A JP57033800A JP3380082A JPS58153231A JP S58153231 A JPS58153231 A JP S58153231A JP 57033800 A JP57033800 A JP 57033800A JP 3380082 A JP3380082 A JP 3380082A JP S58153231 A JPS58153231 A JP S58153231A
Authority
JP
Japan
Prior art keywords
film
magnetic recording
magnetic
longitudinal direction
polyethylene terephthalate
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
JP57033800A
Other languages
English (en)
Japanese (ja)
Other versions
JPH024059B2 (enFirst
Inventor
Tomoyuki Minami
智幸 南
Kazuhiro Tanaka
一博 田中
Takeshi Nishioka
健 西岡
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 true JPS58153231A (ja) 1983-09-12
JPH024059B2 JPH024059B2 (enFirst) 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 (enFirst)

Cited By (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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50139872A (enFirst) * 1974-04-26 1975-11-08
JPS51115571A (en) * 1975-04-04 1976-10-12 Asahi Chemical Ind Method of manufacturing polyester film
JPS548672A (en) * 1977-06-21 1979-01-23 Toray Ind Inc Production of polyester film
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50139872A (enFirst) * 1974-04-26 1975-11-08
JPS51115571A (en) * 1975-04-04 1976-10-12 Asahi Chemical Ind Method of manufacturing polyester film
JPS548672A (en) * 1977-06-21 1979-01-23 Toray Ind Inc Production of polyester film
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

Cited By (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

Also Published As

Publication number Publication date
JPH024059B2 (enFirst) 1990-01-25

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