JPH0231321A - 磁気記録媒体用二軸配向ポリエステルフィルム - Google Patents

磁気記録媒体用二軸配向ポリエステルフィルム

Info

Publication number
JPH0231321A
JPH0231321A JP63182360A JP18236088A JPH0231321A JP H0231321 A JPH0231321 A JP H0231321A JP 63182360 A JP63182360 A JP 63182360A JP 18236088 A JP18236088 A JP 18236088A JP H0231321 A JPH0231321 A JP H0231321A
Authority
JP
Japan
Prior art keywords
particles
film
polyester
particle size
magnetic recording
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
JP63182360A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0462417B2 (https=
Inventor
Seiji Sakamoto
坂本　征二
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 DE198989109937T priority patent/DE345644T1/de
Priority to DE68919130T priority patent/DE68919130T2/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

  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Magnetic Record Carriers (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
DE198989109937T DE345644T1 (de) 1988-06-04 1989-06-01 Polyesterfilm fuer magnetische aufzeichnungstraeger.
DE68919130T DE68919130T2 (de) 1988-06-04 1989-06-01 Polyesterfilm für magnetische Aufzeichnungsträger.
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 true JPH0231321A (ja) 1990-02-01
JPH0462417B2 JPH0462417B2 (https=) 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 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02214732A (ja) * 1989-02-16 1990-08-27 Toray Ind Inc 二軸配向ポリエステルフィルム
JPH04117430A (ja) * 1990-09-07 1992-04-17 Toray Ind Inc ポリエステルフイルム
JPH04216031A (ja) * 1990-12-13 1992-08-06 Teijin Ltd 磁気記録媒体用二軸配向ポリエステルフイルム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61217229A (ja) * 1985-01-15 1986-09-26 ヘキスト・アクチエンゲゼルシヤフト 二軸延伸ポリエステルフイルム及びその製造方法
JPS63191838A (ja) * 1986-01-17 1988-08-09 Teijin Ltd 二軸配向ポリエステルフイルム
JPH01129038A (ja) * 1987-11-12 1989-05-22 Teijin Ltd 二軸配向ポリエステルフイルム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61217229A (ja) * 1985-01-15 1986-09-26 ヘキスト・アクチエンゲゼルシヤフト 二軸延伸ポリエステルフイルム及びその製造方法
JPS63191838A (ja) * 1986-01-17 1988-08-09 Teijin Ltd 二軸配向ポリエステルフイルム
JPH01129038A (ja) * 1987-11-12 1989-05-22 Teijin Ltd 二軸配向ポリエステルフイルム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02214732A (ja) * 1989-02-16 1990-08-27 Toray Ind Inc 二軸配向ポリエステルフィルム
JPH04117430A (ja) * 1990-09-07 1992-04-17 Toray Ind Inc ポリエステルフイルム
JPH04216031A (ja) * 1990-12-13 1992-08-06 Teijin Ltd 磁気記録媒体用二軸配向ポリエステルフイルム

Also Published As

Publication number Publication date
JPH0462417B2 (https=) 1992-10-06

Similar Documents

Publication Publication Date Title
JP2856283B2 (ja) 二軸配向ポリエステルフィルム
US5006589A (en) Polyester film for magnetic recording media
US5051292A (en) Biaxially oriented film of polyethylene-2,6-naphthalate
KR960015887B1 (ko) 2축 배향 폴리에스테르 필름
JPH07244834A (ja) 磁気記録媒体用ポリエステルフィルム
JPH01129038A (ja) 二軸配向ポリエステルフイルム
JPH0836739A (ja) 磁気記録媒体用ポリエステルフィルム
JPH0231321A (ja) 磁気記録媒体用二軸配向ポリエステルフィルム
EP0480349B1 (en) A film containing organic particles
JP2969932B2 (ja) ポリエチレン―２，６―ナフタレートフィルム
JPH01311131A (ja) 磁気記録媒体用ポリエステルフィルム
JPH068384B2 (ja) ポリエステル組成物
JP3313828B2 (ja) 二軸配向ポリエステルフィルム
JPH07249218A (ja) 磁気記録媒体用ポリエステルフィルム
JPH07165946A (ja) 二軸延伸ポリエステルフィルム
JPH0664034A (ja) 二軸配向ポリエステルフィルム
JPH05192993A (ja) ポリエチレン―２，６―ナフタレートフィルム
JPS63191838A (ja) 二軸配向ポリエステルフイルム
JPH01292059A (ja) ポリエステル組成物およびそれからなるフィルム
JPH0231322A (ja) 磁気記録媒体用二軸配向ポリエステルフィルム
JPH0639541B2 (ja) 二軸配向ポリエステルフィルム
JPH0836738A (ja) 磁気記録媒体用ポリエステルフィルム
JPH0254420A (ja) オーディオ磁気テープ用ポリエステルフィルム
JPH0684445B2 (ja) 磁気記録媒体用二軸配向ポリエステルフィルム
JPH0514327B2 (https=)