JPH024059B2 - - Google Patents

Info

Publication number: JPH024059B2
Authority: JP; Japan
Prior art keywords: film; magnetic; magnetic recording; value; tape
Prior art date: 1982-03-05
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.)

1982-03-05

Filing date

1982-03-05

Publication date

1990-01-25

1982-03-05 Application filed by Toray Industries Inc filed Critical Toray Industries Inc

1982-03-05 Priority to JP57033800A priority Critical patent/JPS58153231A/ja

1983-09-12 Publication of JPS58153231A publication Critical patent/JPS58153231A/ja

1990-01-25 Publication of JPH024059B2 publication Critical patent/JPH024059B2/ja

Status Granted legal-status Critical Current

Links

230000005291 magnetic effect Effects 0.000 claims description 42
229920002799 BoPET Polymers 0.000 claims description 4
-1 Polyethylene terephthalate Polymers 0.000 description 10
229920000139 polyethylene terephthalate Polymers 0.000 description 9
239000005020 polyethylene terephthalate Substances 0.000 description 9
238000004804 winding Methods 0.000 description 8
230000005294 ferromagnetic effect Effects 0.000 description 7
229910052751 metal Inorganic materials 0.000 description 6
239000002184 metal Substances 0.000 description 6
239000000696 magnetic material Substances 0.000 description 5
238000000034 method Methods 0.000 description 5
229910001566 austenite Inorganic materials 0.000 description 4
230000000052 comparative effect Effects 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
239000011230 binding agent Substances 0.000 description 3
238000000576 coating method Methods 0.000 description 3
238000007733 ion plating Methods 0.000 description 3
230000001788 irregular Effects 0.000 description 3
150000002739 metals Chemical class 0.000 description 3
238000004544 sputter deposition Methods 0.000 description 3
238000001771 vacuum deposition Methods 0.000 description 3
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
229910045601 alloy Inorganic materials 0.000 description 2
239000000956 alloy Substances 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000009713 electroplating Methods 0.000 description 2
229910001004 magnetic alloy Inorganic materials 0.000 description 2
229920000728 polyester Polymers 0.000 description 2
239000000843 powder Substances 0.000 description 2
230000007704 transition Effects 0.000 description 2
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000007334 copolymerization reaction Methods 0.000 description 1
239000013078 crystal Substances 0.000 description 1
230000002950 deficient Effects 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
239000000314 lubricant Substances 0.000 description 1
239000006249 magnetic particle Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000000691 measurement method Methods 0.000 description 1
238000001465 metallisation Methods 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
238000007747 plating Methods 0.000 description 1
230000010287 polarization Effects 0.000 description 1
229920006267 polyester film Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
238000007738 vacuum evaporation Methods 0.000 description 1
238000007740 vapor deposition Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
230000037303 wrinkles Effects 0.000 description 1

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 (de)	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 (de)

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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS50139872A (de) *	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

1982
- 1982-03-05 JP JP57033800A patent/JPS58153231A/ja active Granted

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS50139872A (de) *	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

Also Published As

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

Publication	Publication Date	Title
EP0086302B1 (de)	1987-09-30	Polyäthylentherephthalatfilm, Verfahren zu seiner Herstellung und magnetisches Aufzeichnungsmittel daraus
US4645702A (en)	1987-02-24	Magnetic recording medium
JP2004030809A (ja)	2004-01-29	磁気記録媒体用支持体及び磁気記録媒体
JPS59127730A (ja)	1984-07-23	２軸配向ポリエチレンナフタレ−トフイルム
EP0174376B1 (de)	1991-06-26	Film oder blatt mit wärmebeständigkeit
JPH024059B2 (de)	1990-01-25
JPS59203230A (ja)	1984-11-17	二軸配向ポリエステルフイルム
JP2569853B2 (ja)	1997-01-08	二軸配向熱可塑性樹脂フィルムおよびフィルムロール
JP2629861B2 (ja)	1997-07-16	二軸延伸ポリエチレンテレフタレートフィルム
US5645918A (en)	1997-07-08	Magnetic recording medium having an aromatic polyamide substrate
JPH05212788A (ja)	1993-08-24	二軸配向熱可塑性樹脂積層フィルムおよびその製造方法
JPH024060B2 (de)	1990-01-25
JPH04232611A (ja)	1992-08-20	高密度磁気記録媒体
JPH05261805A (ja)	1993-10-12	二軸配向ポリエチレン―２，６―ナフタレートフィルム及びその製造方法
JPH0373409A (ja)	1991-03-28	金属薄膜型磁気記録媒体
JP2555717B2 (ja)	1996-11-20	二軸配向ポリエスルテルフィルム及びその製造方法
JP3077835B2 (ja)	2000-08-21	二軸配向ポリエステルフイルム
JP2985340B2 (ja)	1999-11-29	二軸配向熱可塑性樹脂フィルム
JP2698229B2 (ja)	1998-01-19	磁気記録テープ
JP4045947B2 (ja)	2008-02-13	二軸配向ポリエステルフィルム
JPH0386916A (ja)	1991-04-11	メタル塗布型磁気記録媒体
JPH0157414B2 (de)	1989-12-05
JPH0648534B2 (ja)	1994-06-22	磁気記録フレキシブルディスク用ポリエステルフイルムの製造法
JPH0530375B2 (de)	1993-05-07
JP2001138460A (ja)	2001-05-22	積層ポリエステルフィルムおよび磁気記録媒体