DE4022202C5 - Magnetaufzeichnungsmedium - Google Patents

Magnetaufzeichnungsmedium Download PDF

Info

Publication number: DE4022202C5
Authority: DE; Germany
Prior art keywords: recording medium; magnetic layer; magnetic recording; magnetic; salt
Prior art date: 1989-07-14
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

DE19904022202

Other languages

German (de)

English (en)

Other versions

DE4022202A1 (de

DE4022202C2 (de

Inventor

Yasuo Odawara Nishikawa

Kunihiko Odawara Sano

Hiroyuki Odawara Iwasaki

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.)

Fujifilm Corp

Original Assignee

Fuji Photo Film 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.)

1989-07-14

Filing date

1990-07-12

Publication date

2005-06-23

1990-07-12 Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd

1991-01-24 Publication of DE4022202A1 publication Critical patent/DE4022202A1/de

1999-11-11 Publication of DE4022202C2 publication Critical patent/DE4022202C2/de

2005-06-23 Application granted granted Critical

2005-06-23 Publication of DE4022202C5 publication Critical patent/DE4022202C5/de

2010-07-13 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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
- G11B5/71—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 lubricant

Landscapes

Paints Or Removers (AREA)
Magnetic Record Carriers (AREA)
Lubricants (AREA)

DE19904022202 1989-07-14 1990-07-12 Magnetaufzeichnungsmedium Expired - Fee Related DE4022202C5 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP1-182133		1989-07-14
JP18213389A JP2941849B2 (ja)	1989-07-14	1989-07-14	磁気記録媒体

Publications (3)

Publication Number	Publication Date
DE4022202A1 DE4022202A1 (de)	1991-01-24
DE4022202C2 DE4022202C2 (de)	1999-11-11
DE4022202C5 true DE4022202C5 (de)	2005-06-23

Family

ID=16112913

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE19904022202 Expired - Fee Related DE4022202C5 (de)	1989-07-14	1990-07-12	Magnetaufzeichnungsmedium

Country Status (2)

Country	Link
JP (1)	JP2941849B2 (ja)
DE (1)	DE4022202C5 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3704710A1 (de) *	1986-02-18	1987-08-20	Hitachi Maxell	Magnetisches aufzeichnungsmedium

1989
- 1989-07-14 JP JP18213389A patent/JP2941849B2/ja not_active Expired - Fee Related
1990
- 1990-07-12 DE DE19904022202 patent/DE4022202C5/de not_active Expired - Fee Related

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3704710A1 (de) *	1986-02-18	1987-08-20	Hitachi Maxell	Magnetisches aufzeichnungsmedium

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Patents Abstracts of Japan 61-2 53 634 A
Patents Abstracts of Japan 61253634 A *

Also Published As

Publication number	Publication date
DE4022202A1 (de)	1991-01-24
JP2941849B2 (ja)	1999-08-30
DE4022202C2 (de)	1999-11-11
JPH0346121A (ja)	1991-02-27

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Legal Events

Date	Code	Title	Description
1996-09-05	8110	Request for examination paragraph 44
1999-11-11	D2	Grant after examination
2000-03-02	8380	Miscellaneous part iii	Free format text: SEITE 4, ZEILE 18 "OHO" AENDERN IN "OBO" SEITE 4, ZEILE 34 "(CF(PFEIL ABWAERTS)2(PFEIL ABWAERTS)CF(PFEIL ABWAERTS)2(PFEIL ABWAERTS)O)N" AENDERN IN "(CF(PFEIL ABWAERTS)2(PFEIL ABWAERTS)CF(PFEIL ABWAERTS)2(PFEIL ABWAERTS)O)(PFEIL ABWAERTS)N(PFEIL ABWAERTS) ZEILE 46 "(CF(PFEIL ABWAERTS)2(PFEIL ABWAERTS)CF(PFEIL ABWAERTS)2(PFEIL ABWAERTS)O)N" AENDERN IN "(CF(PFEIL ABWAERTS)2(PFEIL ABWAERTS)CF(PFEIL ABWAERTS)2(PFEIL ABWAERTS)O)(PFEIL ABWAERTS)N(PFEIL ABWAERTS)"
2000-04-27	8363	Opposition against the patent
2005-03-17	8366	Restricted maintained after opposition proceedings
2005-06-23	8392	Publication of changed patent specification
2007-09-20	8327	Change in the person/name/address of the patent owner	Owner name: FUJIFILM CORP., TOKIO/TOKYO, JP
2010-05-20	8339	Ceased/non-payment of the annual fee