DE69119860D1 - Dünnfilmmagnetkopf - Google Patents

Dünnfilmmagnetkopf

Info

Publication number: DE69119860D1
Authority: DE; Germany
Prior art keywords: thin film; magnetic head; film magnetic; head; thin
Prior art date: 1990-10-12
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

DE69119860T

Other languages

English (en)

Other versions

DE69119860T2 (de

Inventor

Hitoshi Kanai

Michiaki Kanamine

Kazuo Kobayashi

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.)

Fujitsu Ltd

Original Assignee

Fujitsu 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.)

1990-10-12

Filing date

1991-10-04

Publication date

1996-07-04

1991-10-04 Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd

1996-07-04 Application granted granted Critical

1996-07-04 Publication of DE69119860D1 publication Critical patent/DE69119860D1/de

1996-10-02 Publication of DE69119860T2 publication Critical patent/DE69119860T2/de

2011-10-05 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/3113—Details for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)

DE69119860T 1990-10-12 1991-10-04 Dünnfilmmagnetkopf Expired - Fee Related DE69119860T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP27451390		1990-10-12

Publications (2)

Publication Number	Publication Date
DE69119860D1 true DE69119860D1 (de)	1996-07-04
DE69119860T2 DE69119860T2 (de)	1996-10-02

Family

ID=17542748

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69119860T Expired - Fee Related DE69119860T2 (de)	1990-10-12	1991-10-04	Dünnfilmmagnetkopf

Country Status (6)

Country	Link
US (1)	US5187628A (de)
EP (1)	EP0480324B1 (de)
JP (1)	JP2533255B2 (de)
KR (1)	KR950014893B1 (de)
CA (1)	CA2053330C (de)
DE (1)	DE69119860T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5736921A (en) *	1994-03-23	1998-04-07	Sanyo Electric Co., Ltd.	Magnetoresistive element
US5585198A (en) *	1993-10-20	1996-12-17	Sanyo Electric Co., Ltd.	Magnetorsistance effect element
JPH07134804A (ja) *	1993-09-17	1995-05-23	Fujitsu Ltd	記録再生装置及び記録再生方法
JPH08130337A (ja) *	1994-09-09	1996-05-21	Sanyo Electric Co Ltd	磁気抵抗素子及びその製造方法
JP2000020916A (ja) *	1998-07-01	2000-01-21	Hitachi Ltd	誘導型薄膜磁気ヘッド
US6233116B1 (en) *	1998-11-13	2001-05-15	Read-Rite Corporation	Thin film write head with improved laminated flux carrying structure and method of fabrication
US6190764B1 (en)	1998-11-23	2001-02-20	Read-Rite Corporation	Inductive write head for magnetic data storage media
US6221218B1 (en)	1998-11-23	2001-04-24	Read-Rite Corporation	Method of forming an inductive write head for magnetic data storage media
US8470463B2 (en)	2011-04-22	2013-06-25	Seagate Technology Llc	Magnetic shield with in-plane anisotropy
US8675315B2 (en)	2011-07-29	2014-03-18	Seagate Technology Llc	Magnetic sensor with anisotropic liner
US8896971B2 (en)	2012-08-21	2014-11-25	Seagate Technology Llc	Aligned magnetic insulating feature

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4944805A (en) *	1987-09-10	1990-07-31	Fuji Photo Film Co., Ltd.	Method of heat treatment amorphous soft magnetic film layers to reduce magnetic anisotropy
JPH0198110A (ja) *	1987-10-12	1989-04-17	Mitsubishi Electric Corp	薄膜磁気ヘツドの製造方法
JPH07114007B2 (ja) *	1987-12-04	1995-12-06	ディジタルイクイプメントコーポレーション	記録ヘッドの積層構造磁極
US5085935A (en) *	1988-08-03	1992-02-04	Digital Equipment Corporation	Flux spreading thin film magnetic devices
US5089334A (en) *	1988-08-03	1992-02-18	Digital Equipment Corporation	Flux spreading thin film magnetic devices
JPH063644B2 (ja) *	1989-05-27	1994-01-12	ティーディーケイ株式会社	薄膜磁気ヘッドにおけるパルス状ノイズ防止方法

1991
- 1991-09-26 US US07/765,742 patent/US5187628A/en not_active Expired - Lifetime
- 1991-10-04 EP EP91116953A patent/EP0480324B1/de not_active Expired - Lifetime
- 1991-10-04 DE DE69119860T patent/DE69119860T2/de not_active Expired - Fee Related
- 1991-10-09 JP JP3261927A patent/JP2533255B2/ja not_active Expired - Fee Related
- 1991-10-11 CA CA002053330A patent/CA2053330C/en not_active Expired - Fee Related
- 1991-10-11 KR KR1019910017839A patent/KR950014893B1/ko not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US5187628A (en)	1993-02-16
CA2053330A1 (en)	1992-04-13
KR920008677A (ko)	1992-05-28
JPH05266423A (ja)	1993-10-15
CA2053330C (en)	1996-02-20
DE69119860T2 (de)	1996-10-02
JP2533255B2 (ja)	1996-09-11
EP0480324B1 (de)	1996-05-29
EP0480324A2 (de)	1992-04-15
EP0480324A3 (en)	1993-06-16
KR950014893B1 (ko)	1995-12-16

Publication	Publication Date	Title
DE69117389D1 (de)	1996-04-04	Flacher Dünnfilmmagnetkopf
DE69302725D1 (de)	1996-06-27	Dünnschichtmagnetkopf
DE69220289D1 (de)	1997-07-17	Dünnfilm-Bandkopfanordnung
DE69221962D1 (de)	1997-10-09	Dünnfilmmagnetkopf
DE69117884D1 (de)	1996-04-18	Beschichtete Aufzeichnungsfolie
DE69204869D1 (de)	1995-10-26	Dünnschichtmagnetkopf.
DE69702013D1 (de)	2000-06-21	Dünnfilm-Magnetkopf
DE69025821D1 (de)	1996-04-18	Dünnfilm-Magnetkopf
DE69116602D1 (de)	1996-03-07	Magnetwiderstandseffekt-Dünnfilmkopf
DE69218711D1 (de)	1997-05-07	Magnetowiderstandseffekt-Dünnfilmmagnetkopf
DE69025820D1 (de)	1996-04-18	Dünnfilmmagnetkopf
DE3787509D1 (de)	1993-10-28	Dünnfilmmagnetkopf.
DE69123487D1 (de)	1997-01-23	Dünnfilmmagnetkopf
DE69124579D1 (de)	1997-03-20	Magnetisches Aufzeichnungsgerät
DE68915064D1 (de)	1994-06-09	Dünnschicht-Magnetkopf.
DE69226567D1 (de)	1998-09-17	Integrierter Dünnfilm-Magnetkopf
DE3888287D1 (de)	1994-04-14	Film-Magnetkopf.
DE68909835D1 (de)	1993-11-18	Dünnschichtmagnetkopf.
DE69117362D1 (de)	1996-04-04	Zusammengesetzter Magnetkopf
DE69122816D1 (de)	1996-11-28	Magnetkopf
DE69516215D1 (de)	2000-05-18	Magneto-Widerstandseffekt-Dünnfilmmagnetkopf
DE69119860D1 (de)	1996-07-04	Dünnfilmmagnetkopf
DE69120866D1 (de)	1996-08-22	Magnetowiderstandseffekt-Dünnfilmmagnetkopf
DE69118756D1 (de)	1996-05-23	Dünnfilmmagnetkopf
DE69213275D1 (de)	1996-10-10	Magnetband

Legal Events

Date	Code	Title	Description
1997-06-26	8364	No opposition during term of opposition
2007-08-23	8339	Ceased/non-payment of the annual fee