DE3677942D1 - Magnetischer aufzeichnungstraeger mit vertikaler aufzeichnung. - Google Patents

Magnetischer aufzeichnungstraeger mit vertikaler aufzeichnung.

Info

Publication number: DE3677942D1
Authority: DE; Germany
Prior art keywords: recording; vertical; carrier; magnetic recording; magnetic
Prior art date: 1985-12-25
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 - Lifetime

Application number

DE8686117859T

Other languages

English (en)

Inventor

Tomiya Sonoda

Takashi Hikosaka

Hiroki Nakamura

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.)

Toshiba Corp

Original Assignee

Toshiba 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.)

1985-12-25

Filing date

1986-12-22

Publication date

1991-04-11

1986-12-22 Application filed by Toshiba Corp filed Critical Toshiba Corp

1991-04-11 Application granted granted Critical

1991-04-11 Publication of DE3677942D1 publication Critical patent/DE3677942D1/de

2006-12-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
- 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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- 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.]

Landscapes

Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Magnetic Record Carriers (AREA)

DE8686117859T 1985-12-25 1986-12-22 Magnetischer aufzeichnungstraeger mit vertikaler aufzeichnung. Expired - Lifetime DE3677942D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP60295059A JPH0795369B2 (ja)	1985-12-25	1985-12-25	垂直磁気記録媒体

Publications (1)

Publication Number	Publication Date
DE3677942D1 true DE3677942D1 (de)	1991-04-11

Family

ID=17815780

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8686117859T Expired - Lifetime DE3677942D1 (de)	1985-12-25	1986-12-22	Magnetischer aufzeichnungstraeger mit vertikaler aufzeichnung.

Country Status (4)

Country	Link
US (1)	US4762742A (de)
EP (1)	EP0230034B1 (de)
JP (1)	JPH0795369B2 (de)
DE (1)	DE3677942D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5985402A (en) *	1986-12-19	1999-11-16	Hitachi, Ltd.	Magnetic disk and its manufacturing method
US5737159A (en) *	1987-07-29	1998-04-07	Hitachi, Ltd.	Magnetic disk and its manufacturing method
JPH01154314A (ja) *	1987-12-10	1989-06-16	Fuji Electric Co Ltd	磁気ディスク
JP2698086B2 (ja) *	1988-01-27	1998-01-19	株式会社日立製作所	磁気ディスク用基板及びその製造方法
US4892634A (en) *	1988-10-03	1990-01-09	Eastman Kodak Company	Method of preparing thermo-magneto-optic recording elements
US5132173A (en) *	1989-02-10	1992-07-21	Canon Kabushiki Kaisha	Magnetic recording medium having a silicon oxide protective layer with an electrical specific resistance of from 3.3×1013 to 5.0×15 ohm.cm
US5202810A (en) *	1989-04-27	1993-04-13	Hitachi, Ltd.	Magnetic disk having an improved surface configuration
JPH05114127A (ja) *	1991-10-23	1993-05-07	Hitachi Ltd	磁気デイスク及びその製造方法並びに磁気デイスク装置
JPH06338049A (ja) *	1993-05-28	1994-12-06	Sony Corp	磁気記録媒体
US5939170A (en) *	1993-12-28	1999-08-17	Hoya Corporation	Magnetic recording medium
US5825596A (en) *	1996-02-13	1998-10-20	Kabushiki Kaisha Toshiba	Hard disk drive
US6852432B2 (en) *	2000-06-30	2005-02-08	Hitachi, Ltd.	Magnetic recording media and magnetic disk apparatus
GB0019293D0 (en) *	2000-08-07	2000-09-27	Federal Mogul Friction Product	Magnetic clamping arrangement
US6667118B1 (en)	2000-09-05	2003-12-23	Seagate Technology Llc	Texture-induced magnetic anisotropy of soft underlayers for perpendicular recording media
JP2003085724A (ja) *	2001-09-13	2003-03-20	Sony Corp	磁気記録媒体
KR100725023B1 (ko) *	2006-10-16	2007-06-07	제일모직주식회사	카도계 수지를 함유한 수지 조성물 및 그에 의한 패턴의 제조방법, 이를 이용한 컬러필터

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0061769B1 (de) *	1981-03-30	1987-04-01	Teijin Limited	Magnetisches Aufzeichnungsmedium
JPS5814319A (ja) *	1981-07-20	1983-01-27	Teijin Ltd	垂直磁気記録媒体
DE3277996D1 (en) *	1981-10-15	1988-02-18	Matsushita Electric Ind Co Ltd	Magnetic recording medium
EP0109667B1 (de) *	1982-11-19	1987-04-01	Matsushita Electric Industrial Co., Ltd.	Magnetisches Aufzeichnungsmedium
US4567083A (en) *	1983-10-17	1986-01-28	Tdk Corporation	Magnetic recording medium

1985
- 1985-12-25 JP JP60295059A patent/JPH0795369B2/ja not_active Expired - Lifetime
1986
- 1986-12-22 DE DE8686117859T patent/DE3677942D1/de not_active Expired - Lifetime
- 1986-12-22 EP EP86117859A patent/EP0230034B1/de not_active Expired - Lifetime
- 1986-12-23 US US06/945,549 patent/US4762742A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0230034B1 (de)	1991-03-06
JPS62150519A (ja)	1987-07-04
EP0230034A3 (en)	1988-10-12
JPH0795369B2 (ja)	1995-10-11
US4762742A (en)	1988-08-09
EP0230034A2 (de)	1987-07-29

Legal Events

Date	Code	Title
1992-04-02	8364	No opposition during term of opposition
1999-02-04	8320	Willingness to grant licences declared (paragraph 23)
2002-02-14	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3668391D1 (de)	1990-02-22	Metallischer magnetischer aufzeichnungstraeger.
DE3784948D1 (de)	1993-04-29	Magnetischer aufzeichnungstraeger.
DE3781712D1 (de)	1992-10-22	Magnetischer aufzeichnungstraeger.
DE3888860D1 (de)	1994-05-11	Magnetischer Aufzeichnungsträger.
DE3850833D1 (de)	1994-09-01	Magnetischer Aufzeichnungsträger.
DE3669604D1 (de)	1990-04-19	Magnetischer aufzeichnungstraeger.
DE3650146D1 (de)	1995-01-05	Magnetisches Wiedergabegerät.
DE3784085D1 (de)	1993-03-25	Magnetischer aufzeichnungstraeger.
DE3677942D1 (de)	1991-04-11	Magnetischer aufzeichnungstraeger mit vertikaler aufzeichnung.
DE3685219D1 (de)	1992-06-11	Magnetisches speichermedium.
DE3675726D1 (de)	1991-01-03	Aufzeichnungstraeger.
DE3854990D1 (de)	1996-03-21	Magnetischer Aufzeichnungsträger
DE3788972D1 (de)	1994-03-17	Magnetischer Aufzeichnungsträger.
DE3577490D1 (de)	1990-06-07	Magnetischer aufzeichnungstraeger.
DE3880048D1 (de)	1993-05-13	Aufzeichnungstraeger mit senkrechter magnetisierung.
DE3575627D1 (de)	1990-03-01	Magnetischer aufzeichnungstraeger.
DE3683824D1 (de)	1992-03-19	Magnetischer aufzeichnungstraeger.
DE3776688D1 (de)	1992-03-26	Magnetischer aufzeichnungstraeger.
DE3681146D1 (de)	1991-10-02	Optisch-magnetischer aufzeichnungstraeger.
DE3676639D1 (de)	1991-02-07	Magnetischer aufzeichnungstraeger.
DE3684049D1 (de)	1992-04-09	Magnetbandsystem mit schreibwiederholung.
DE3789130D1 (de)	1994-03-31	Magnetischer Aufzeichnungsträger.
DE3575034D1 (de)	1990-02-01	Magnetischer aufzeichnungstraeger.
DE3778424D1 (de)	1992-05-27	Magnetischer aufzeichnungstraeger.
DE3788295D1 (de)	1994-01-13	Magnetischer Aufzeichnungsträger.