NL191422C - Magnetisch registreermedium. - Google Patents

Magnetisch registreermedium.

Info

Publication number: NL191422C
Authority: NL; Netherlands
Prior art keywords: recording medium; magnetic recording; magnetic; medium; recording
Prior art date: 1983-07-26

Application number

NL8402069A

Other languages

English (en)

Other versions

NL8402069A (nl

NL191422B (nl

Original Assignee

Tdk Corp

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.)

1983-07-26

Filing date

1984-06-29

Publication date

1995-07-17

1984-06-29 Application filed by Tdk Corp filed Critical Tdk Corp

1985-02-18 Publication of NL8402069A publication Critical patent/NL8402069A/nl

1995-02-16 Publication of NL191422B publication Critical patent/NL191422B/nl

1995-07-17 Application granted granted Critical

1995-07-17 Publication of NL191422C publication Critical patent/NL191422C/nl

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
- G11B5/735—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 characterised by the back 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
- G11B5/68—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
- G11B5/714—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 characterised by the dimension of the magnetic particles
- 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
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
- Y10T428/257—Iron oxide or aluminum oxide
- 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]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31609—Particulate metal or metal compound-containing
- 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]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer

NL8402069A 1983-07-26 1984-06-29 Magnetisch registreermedium. NL191422C (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP13512683		1983-07-26
JP58135126A JPS6028023A (ja)	1983-07-26	1983-07-26	磁気記録媒体

Publications (3)

Publication Number	Publication Date
NL8402069A NL8402069A (nl)	1985-02-18
NL191422B NL191422B (nl)	1995-02-16
NL191422C true NL191422C (nl)	1995-07-17

Family

ID=15144423

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8402069A NL191422C (nl)	1983-07-26	1984-06-29	Magnetisch registreermedium.

Country Status (5)

Country	Link
US (1)	US4614687A (nl)
JP (1)	JPS6028023A (nl)
DE (1)	DE3426676C2 (nl)
GB (1)	GB2143749B (nl)
NL (1)	NL191422C (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS63239904A (ja) *	1987-03-27	1988-10-05	Nippon Seiko Kk	光硬化型磁性流体
JPH0782633B2 (ja) *	1987-10-16	1995-09-06	コニカ株式会社	磁気記録媒体
JP2584271B2 (ja) *	1988-03-04	1997-02-26	富士写真フイルム株式会社	磁気記録媒体
US5178953A (en) *	1990-01-12	1993-01-12	Ampex Media Corporation	Magnetic recording media having a binder comprising a low molecular weight high glass transition temperature vinyl polymer
US5143637A (en) *	1990-02-20	1992-09-01	Nippon Seiko Kabushiki Kaisha	Magnetic fluid composition
JPH04146518A (ja) *	1990-10-08	1992-05-20	Fuji Photo Film Co Ltd	磁気記録媒体
JPH04265514A (ja) *	1991-02-21	1992-09-21	Teijin Ltd	磁気テープ
JPH06176345A (ja) *	1992-12-07	1994-06-24	Konica Corp	磁気記録媒体及び磁気記録方法
JP2943909B2 (ja) *	1996-06-17	1999-08-30	富士写真フイルム株式会社	磁気記録媒体

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS54159203A (en) *	1978-06-07	1979-12-15	Fuji Photo Film Co Ltd	Audio magnetic recording tape
JPS57150129A (en) *	1981-03-12	1982-09-16	Fuji Photo Film Co Ltd	Magnetic recording medium
JPS57195322A (en) *	1981-05-22	1982-12-01	Sony Corp	Magnetic recording medium
JPS57208637A (en) *	1981-06-19	1982-12-21	Tdk Corp	Magnetic recording medium
US4423115A (en) *	1981-10-23	1983-12-27	Tdk Electronics Co., Ltd.	Magnetic recording medium
JPS58119609A (ja) *	1982-01-11	1983-07-16	Fuji Photo Film Co Ltd	磁気記録媒体
JPH0654536B2 (ja) *	1983-02-04	1994-07-20	富士写真フイルム株式会社	磁気記録媒体
JPS59177727A (ja) *	1983-03-25	1984-10-08	Tdk Corp	磁気記録媒体
JPS59203224A (ja) *	1983-05-02	1984-11-17	Fuji Photo Film Co Ltd	磁気記録媒体
JPS6043224A (ja) *	1983-08-18	1985-03-07	Tdk Corp	磁気記録媒体
DE3437887A1 (de) *	1983-10-17	1985-05-23	TDK Corporation, Tokio/Tokyo	Magnetischer aufzeichnungstraeger

1983
- 1983-07-26 JP JP58135126A patent/JPS6028023A/ja active Pending
1984
- 1984-06-29 NL NL8402069A patent/NL191422C/nl not_active IP Right Cessation
- 1984-07-03 US US06/627,546 patent/US4614687A/en not_active Expired - Lifetime
- 1984-07-10 GB GB08417558A patent/GB2143749B/en not_active Expired
- 1984-07-19 DE DE3426676A patent/DE3426676C2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
DE3426676C2 (de)	1995-12-07
GB2143749B (en)	1986-12-10
GB2143749A (en)	1985-02-20
US4614687A (en)	1986-09-30
DE3426676A1 (de)	1985-02-07
JPS6028023A (ja)	1985-02-13
NL8402069A (nl)	1985-02-18
GB8417558D0 (en)	1984-08-15
NL191422B (nl)	1995-02-16

Publication	Publication Date	Title
DE3480749D1 (de)	1990-01-18	Magnetisches aufzeichnungsmedium.
NL190709C (nl)	1994-07-01	Magnetisch registreermedium.
DE3778168D1 (de)	1992-05-21	Magnetisches aufzeichnungsmedium.
DE3773239D1 (de)	1991-10-31	Magnetisches aufzeichnungsmedium.
DE3583599D1 (de)	1991-08-29	Informationsaufzeichnungsmedium.
DE3885825D1 (de)	1994-01-05	Magnetische Aufzeichnungsträger.
EP0112924A4 (en)	1984-11-16	MAGNETIC RECORDING MEDIUM.
EP0112925A4 (en)	1986-11-26	MAGNETIC RECORDING MEDIUM.
NL190296C (nl)	1994-01-03	Magnetisch registratiemedium.
EP0074410A4 (en)	1985-02-28	MAGNETIC RECORDING MEDIUM.
DE3671122D1 (de)	1990-06-13	Informationsaufzeichnungsmedium.
NL191662B (nl)	1995-08-01	Magneetschijfcassette.
NL188714C (nl)	1992-09-01	Magnetisch registreermedium.
DE3177152D1 (de)	1990-03-01	Magnetisches speichermedium.
DE3853640D1 (de)	1995-06-01	Informationsaufzeichnungsmedium.
KR850007505A (ko)	1985-12-04	자기 기록 매체
DE3434256A1 (de)	1985-04-04	Tintenstrahl-aufzeichnungsmedium
NL189321C (nl)	1993-03-01	Magnetisch registreermedium.
DE3580635D1 (de)	1991-01-03	Magnetisches aufzeichnungsmedium.
DE3586171D1 (de)	1992-07-09	Magnetische aufnahme-/wiedergabevorrichtung.
DE3575357D1 (de)	1990-02-15	Magnetisches aufzeichnungsmedium.
DE69007261D1 (de)	1994-04-14	Langgestreckter magnetischer Aufzeichnungsträger.
DE3486358D1 (de)	1994-12-22	Aufnahme-Plattenkassette.
DE3484322D1 (de)	1991-05-02	Magnetisches aufzeichnungsmedium.
EP0090864A4 (en)	1985-04-25	MAGNETIC RECORDING MEDIUM.

Legal Events

Date	Code	Title	Description
1991-05-01	BA	A request for search or an international-type search has been filed
1991-08-01	BB	A search report has been drawn up
1991-10-01	BC	A request for examination has been filed
1996-03-01	V1	Lapsed because of non-payment of the annual fee	Effective date: 19960101