DE69020711D1 - Magnetischer Aufzeichnungsträger. - Google Patents

Magnetischer Aufzeichnungsträger.

Info

Publication number: DE69020711D1
Authority: DE; Germany
Prior art keywords: record carrier; magnetic record; magnetic; carrier; record
Prior art date: 1989-12-25
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 - Fee Related

Application number

DE69020711T

Other languages

English (en)

Other versions

DE69020711T2 (de

Inventor

Iwao Okazaki

Koichi Abe

Shoji Nakajima

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.)

1989-12-25

Filing date

1990-12-27

Publication date

1995-08-10

1990-01-08 Priority claimed from JP2002090A external-priority patent/JPH07111778B2/ja

1990-12-27 Application filed by Toray Industries Inc filed Critical Toray Industries Inc

1995-08-10 Publication of DE69020711D1 publication Critical patent/DE69020711D1/de

1996-02-15 Application granted granted Critical

1996-02-15 Publication of DE69020711T2 publication Critical patent/DE69020711T2/de

2010-12-28 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- 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
- 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]

DE69020711T 1989-12-25 1990-12-27 Magnetischer Aufzeichnungsträger. Expired - Fee Related DE69020711T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP33728289		1989-12-25
JP2002090A JPH07111778B2 (ja)	1990-01-08	1990-01-08	磁気記録テープ

Publications (2)

Publication Number	Publication Date
DE69020711D1 true DE69020711D1 (de)	1995-08-10
DE69020711T2 DE69020711T2 (de)	1996-02-15

Family

ID=26335416

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69020711T Expired - Fee Related DE69020711T2 (de)	1989-12-25	1990-12-27	Magnetischer Aufzeichnungsträger.

Country Status (4)

Country	Link
US (1)	US5266376A (de)
EP (1)	EP0435668B1 (de)
CA (1)	CA2033004C (de)
DE (1)	DE69020711T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5458947A (en) *	1989-10-31	1995-10-17	Kabushiki Kaisha Toshiba	Magnetic recording medium
US5827600A (en) *	1991-01-21	1998-10-27	Fuji Photo Film Co., Ltd.	Magnetic recording medium
US5645917A (en) *	1991-04-25	1997-07-08	Fuji Photo Film Co., Ltd.	Magnetic recording medium
US6236542B1 (en)	1994-01-21	2001-05-22	International Business Machines Corporation	Substrate independent superpolishing process and slurry
EP0737761B1 (de) *	1995-04-14	2002-11-06	Toyo Boseki Kabushiki Kaisha	Orientierter Polyesterfilm
US5737229A (en) *	1995-11-07	1998-04-07	The Ohio State University	Method of texturing a magnetic recording medium for optimum skewness and kurtosis to reduce friction with a magnetic head
US6579592B1 (en)	1996-11-29	2003-06-17	Fuji Photo Film Co., Ltd	Magnetic recording tape with controlled Hc and magnetic flux/unit area value and controlled Cl/Fe intensity
US6432503B2 (en)	1997-03-31	2002-08-13	Fuji Photo Film Co., Ltd.	Magnetic recording medium
EP0889464B1 (de)	1997-06-30	2003-09-03	Fuji Photo Film Co., Ltd.	Magnetisches Aufzeichnungsmedium
US6096406A (en) *	1997-07-15	2000-08-01	Fuji Photo Film Co., Ltd.	Magnetic recording medium
JPH11185240A (ja)	1997-10-14	1999-07-09	Fuji Photo Film Co Ltd	磁気記録媒体
US6444290B1 (en)	1998-06-11	2002-09-03	Fuji Photo Film Co., Ltd.	Magnetic recording medium comprising a support containing a specific size filler and having a specific concentration of surface protrusions
JP2000011352A (ja)	1998-06-22	2000-01-14	Fuji Photo Film Co Ltd	磁気記録媒体
US6110929A (en) *	1998-07-28	2000-08-29	3M Innovative Properties Company	Oxazolo, thiazolo and selenazolo [4,5-c]-quinolin-4-amines and analogs thereof
US6943255B2 (en) *	2003-06-06	2005-09-13	3M Innovative Properties Company	Process for imidazo[4,5-c]pyridin-4-amines
WO2005078010A1 (ja) *	2004-02-17	2005-08-25	Toray Industries, Inc.	二軸配向ポリエステルフィルム
US7882616B1 (en) *	2004-09-02	2011-02-08	Seagate Technology Llc	Manufacturing single-sided storage media
JP2006099921A (ja) *	2004-09-30	2006-04-13	Fuji Photo Film Co Ltd	磁気記録媒体および磁気記録再生方法
JP2009015962A (ja) *	2007-07-04	2009-01-22	Fujifilm Corp	磁気記録媒体及び磁気記録媒体の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3783023A (en) *	1972-06-08	1974-01-01	Mobil Oil Corp	Method of making a coated tape,and particularly smooth surface magnetic recording tape
JPS5843817B2 (ja) *	1976-02-24	1983-09-29	富士写真フイルム株式会社	磁気記録体
JPS57130234A (en) *	1981-02-02	1982-08-12	Fuji Photo Film Co Ltd	Magnetic recording medium
DE3211855C2 (de) *	1982-03-31	1985-09-26	Fa. Carl Freudenberg, 6940 Weinheim	Abdichtender Bodenbelag und Verfahren zur Verlegung eines solchen Belages
JPS59203232A (ja) *	1983-05-02	1984-11-17	Diafoil Co Ltd	磁気記録体用ポリエステルフイルム
DE3501017A1 (de) *	1985-01-15	1986-07-17	Hoechst Ag, 6230 Frankfurt	Orientierte kunststoffolie
DE3752302T2 (de) *	1986-08-27	2000-05-11	Teijin Ltd., Osaka	Biaxial orientierte Polyesterfilme
EP0277783B1 (de) *	1987-02-02	1994-04-06	Canon Kabushiki Kaisha	Magnetischer Aufzeichnungsträger
US5051292A (en) *	1989-02-01	1991-09-24	Teijin Limited	Biaxially oriented film of polyethylene-2,6-naphthalate

1990
- 1990-12-21 US US07/632,311 patent/US5266376A/en not_active Expired - Lifetime
- 1990-12-21 CA CA 2033004 patent/CA2033004C/en not_active Expired - Fee Related
- 1990-12-27 DE DE69020711T patent/DE69020711T2/de not_active Expired - Fee Related
- 1990-12-27 EP EP19900314318 patent/EP0435668B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0435668B1 (de)	1995-07-05
DE69020711T2 (de)	1996-02-15
US5266376A (en)	1993-11-30
EP0435668A2 (de)	1991-07-03
CA2033004A1 (en)	1991-06-26
EP0435668A3 (en)	1991-11-06
CA2033004C (en)	2000-03-07

Publication	Publication Date	Title
DE3888860D1 (de)	1994-05-11	Magnetischer Aufzeichnungsträger.
DE3850833D1 (de)	1994-09-01	Magnetischer Aufzeichnungsträger.
DE69013099D1 (de)	1994-11-10	Magnetischer Aufzeichnungsträger.
DE3781712D1 (de)	1992-10-22	Magnetischer aufzeichnungstraeger.
DE3784948D1 (de)	1993-04-29	Magnetischer aufzeichnungstraeger.
DE69025788D1 (de)	1996-04-18	Aufzeichnungsträger
DE69020224D1 (de)	1995-07-27	Magnetischer Aufzeichnungsträger.
DE69020711D1 (de)	1995-08-10	Magnetischer Aufzeichnungsträger.
DE3784085D1 (de)	1993-03-25	Magnetischer aufzeichnungstraeger.
DE68921461D1 (de)	1995-04-06	Aufzeichnungsträgerwiedergabegerät.
DE3788972D1 (de)	1994-03-17	Magnetischer Aufzeichnungsträger.
DE69110362D1 (de)	1995-07-20	Magnetischer Aufzeichnungsträger.
DE3776688D1 (de)	1992-03-26	Magnetischer aufzeichnungstraeger.
DE3789130D1 (de)	1994-03-31	Magnetischer Aufzeichnungsträger.
DE69005471D1 (de)	1994-02-10	Magnetischer Aufzeichnungsträger.
DE69105810D1 (de)	1995-01-26	Magnetischer Aufzeichnungsträger.
DE3788295D1 (de)	1994-01-13	Magnetischer Aufzeichnungsträger.
DE68909002D1 (de)	1993-10-14	Magnetischer Aufzeichnungsträger.
DE3778424D1 (de)	1992-05-27	Magnetischer aufzeichnungstraeger.
DE68925045D1 (de)	1996-01-25	Magnetischer Aufzeichnungsträger
DE69110117D1 (de)	1995-07-06	Magnetischer Aufzeichnungsträger.
DE3889137D1 (de)	1994-05-26	Magnetischer Aufzeichnungsträger.
DE3889836D1 (de)	1994-07-07	Magnetischer Aufzeichnungsträger.
DE3884119D1 (de)	1993-10-21	Magnetischer Aufzeichnungsträger.
DE59006121D1 (de)	1994-07-21	Magnetischer Aufzeichnungsträger.

Legal Events

Date	Code	Title	Description
1996-08-08	8364	No opposition during term of opposition
2010-10-21	8339	Ceased/non-payment of the annual fee