JPH0462417B2 - - Google Patents

Info

Publication number
JPH0462417B2
JPH0462417B2 JP63182360A JP18236088A JPH0462417B2 JP H0462417 B2 JPH0462417 B2 JP H0462417B2 JP 63182360 A JP63182360 A JP 63182360A JP 18236088 A JP18236088 A JP 18236088A JP H0462417 B2 JPH0462417 B2 JP H0462417B2
Authority
JP
Japan
Prior art keywords
particles
polyester
film
particle size
present
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
JP63182360A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0231321A (ja
Inventor
Seiji Sakamoto
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 JP63182360A priority Critical patent/JPH0231321A/ja
Priority to EP89109937A priority patent/EP0345644B1/en
Priority to DE68919130T priority patent/DE68919130T2/de
Priority to DE198989109937T priority patent/DE345644T1/de
Priority to US07/360,781 priority patent/US5006589A/en
Priority to KR1019890007723A priority patent/KR960008598B1/ko
Publication of JPH0231321A publication Critical patent/JPH0231321A/ja
Publication of JPH0462417B2 publication Critical patent/JPH0462417B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP63182360A 1988-06-04 1988-07-21 磁気記録媒体用二軸配向ポリエステルフィルム Granted JPH0231321A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP63182360A JPH0231321A (ja) 1988-07-21 1988-07-21 磁気記録媒体用二軸配向ポリエステルフィルム
EP89109937A EP0345644B1 (en) 1988-06-04 1989-06-01 Polyester film for magnetic recording media
DE68919130T DE68919130T2 (de) 1988-06-04 1989-06-01 Polyesterfilm für magnetische Aufzeichnungsträger.
DE198989109937T DE345644T1 (de) 1988-06-04 1989-06-01 Polyesterfilm fuer magnetische aufzeichnungstraeger.
US07/360,781 US5006589A (en) 1988-06-04 1989-06-02 Polyester film for magnetic recording media
KR1019890007723A KR960008598B1 (ko) 1988-06-04 1989-06-03 자기기록 매체용 폴리에스테르 필름

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63182360A JPH0231321A (ja) 1988-07-21 1988-07-21 磁気記録媒体用二軸配向ポリエステルフィルム

Publications (2)

Publication Number Publication Date
JPH0231321A JPH0231321A (ja) 1990-02-01
JPH0462417B2 true JPH0462417B2 (enExample) 1992-10-06

Family

ID=16116954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63182360A Granted JPH0231321A (ja) 1988-06-04 1988-07-21 磁気記録媒体用二軸配向ポリエステルフィルム

Country Status (1)

Country Link
JP (1) JPH0231321A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2734601B2 (ja) * 1989-02-16 1998-04-02 東レ株式会社 二軸配向ポリエステルフィルム
JP2527265B2 (ja) * 1990-09-07 1996-08-21 東レ株式会社 ポリエステルフイルム
JP2528215B2 (ja) * 1990-12-13 1996-08-28 帝人株式会社 磁気記録媒体用二軸配向ポリエステルフイルム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501017A1 (de) * 1985-01-15 1986-07-17 Hoechst Ag, 6230 Frankfurt Orientierte kunststoffolie
JPS63191838A (ja) * 1986-01-17 1988-08-09 Teijin Ltd 二軸配向ポリエステルフイルム
JP2650928B2 (ja) * 1987-11-12 1997-09-10 帝人株式会社 二軸配向ポリエステルフイルム

Also Published As

Publication number Publication date
JPH0231321A (ja) 1990-02-01

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