DE69204869D1 - Dünnschichtmagnetkopf. - Google Patents
Dünnschichtmagnetkopf.Info
- Publication number
- DE69204869D1 DE69204869D1 DE69204869T DE69204869T DE69204869D1 DE 69204869 D1 DE69204869 D1 DE 69204869D1 DE 69204869 T DE69204869 T DE 69204869T DE 69204869 T DE69204869 T DE 69204869T DE 69204869 D1 DE69204869 D1 DE 69204869D1
- Authority
- DE
- Germany
- Prior art keywords
- thin film
- magnetic head
- film magnetic
- head
- thin
- Prior art date
- 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
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/661,797 US5164869A (en) | 1991-02-27 | 1991-02-27 | Magnetic recording head with integrated magnetoresistive element and open yoke |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69204869D1 true DE69204869D1 (de) | 1995-10-26 |
DE69204869T2 DE69204869T2 (de) | 1996-05-02 |
Family
ID=24655159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69204869T Expired - Fee Related DE69204869T2 (de) | 1991-02-27 | 1992-01-16 | Dünnschichtmagnetkopf. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5164869A (de) |
EP (1) | EP0501603B1 (de) |
JP (1) | JP2500970B2 (de) |
DE (1) | DE69204869T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6600631B1 (en) * | 1989-11-27 | 2003-07-29 | Censtor Corp. | Transducer/flexure/conductor structure for electromagnetic read/write system |
US5490027A (en) * | 1991-10-28 | 1996-02-06 | Censtor Corp. | Gimbaled micro-head/flexure/conductor assembly and system |
JPH04362505A (ja) * | 1991-02-27 | 1992-12-15 | Internatl Business Mach Corp <Ibm> | 薄膜磁気読み出し/書き込みヘッド及び磁気記録システム |
JPH04351706A (ja) * | 1991-05-30 | 1992-12-07 | Matsushita Electric Ind Co Ltd | 複合型薄膜磁気ヘッド |
JPH05114119A (ja) * | 1991-10-21 | 1993-05-07 | Fujitsu Ltd | 磁気抵抗効果型磁気ヘツド |
US5995339A (en) * | 1993-03-18 | 1999-11-30 | Fujitsu Limited | Magnetoresistive head with a front flux guide and an embedded MR element |
EP0650156A1 (de) * | 1993-10-21 | 1995-04-26 | Seagate Technology International | Kontaktanordnung zur Minimierung von induktiver Störung in magnetoresistiven Leseköpfen |
JP2635942B2 (ja) * | 1994-02-10 | 1997-07-30 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 直接アクセス記憶装置のサーボ位置決めの方法及び装置 |
US5748414A (en) * | 1994-06-24 | 1998-05-05 | Samsung Electro-Mechanics Co., Ltd. | Magnetoresistive element assembly with longitudinal bias |
US5546256A (en) * | 1994-10-21 | 1996-08-13 | Seagate Technology, Inc. | Inductive transducer with closed-loop pole circumscribing I-shaped pole to reduce leakage flux |
US6195232B1 (en) * | 1995-08-24 | 2001-02-27 | Torohead, Inc. | Low-noise toroidal thin film head with solenoidal coil |
US5703740A (en) * | 1995-08-24 | 1997-12-30 | Velocidata, Inc. | Toroidal thin film head |
FR2761477B1 (fr) * | 1997-04-01 | 1999-04-23 | Commissariat Energie Atomique | Capteur de champ magnetique a magnetoresistance |
EP0883109A3 (de) * | 1997-06-02 | 2000-06-28 | Deutsche Thomson-Brandt Gmbh | Kopftrommel mit Dünnfilmköpfen |
US6122149A (en) * | 1997-06-24 | 2000-09-19 | Seagate Technology, Inc. | Magnetic microactuator and inductive sensor having shaped pole configuration |
JP3180785B2 (ja) * | 1998-11-27 | 2001-06-25 | 日本電気株式会社 | ヨーク型磁気抵抗効果ヘッド、ヨーク型磁気抵抗効果複合薄膜ヘッドおよび磁気記憶装置 |
US6330128B1 (en) | 1999-04-26 | 2001-12-11 | International Business Machines Corporation | Magnetic head assembly having open yoke write head with highly defined narrow track width |
JP2001237469A (ja) * | 2000-02-22 | 2001-08-31 | Fujitsu Ltd | 磁気センサ及びその製造方法 |
JP2002083403A (ja) * | 2000-09-06 | 2002-03-22 | Hitachi Electronics Eng Co Ltd | 磁気ディスクの書込/読出回路 |
US20020171975A1 (en) * | 2001-05-15 | 2002-11-21 | Plumer Martin L. | Writing element with no return path |
US6867940B2 (en) * | 2003-06-16 | 2005-03-15 | Seagate Technology Llc | Method and apparatus for mitigating thermal pole tip protrusion |
US6975472B2 (en) * | 2003-09-12 | 2005-12-13 | Seagate Technology Llc | Head with heating element and control regime therefor |
US7440213B2 (en) * | 2005-02-09 | 2008-10-21 | Seagate Technology Llc | Apparatus and method for controlling remnant magnetization in a magnetic recording head |
US8724263B2 (en) | 2005-08-11 | 2014-05-13 | Seagate Technology Llc | Method for active control of spacing between a head and a storage medium |
US7808746B2 (en) * | 2005-08-11 | 2010-10-05 | Seagate Technology Llc | Method and apparatus for active control of spacing between a head and a storage medium |
JP2008010123A (ja) * | 2006-06-30 | 2008-01-17 | Toshiba Corp | ヨーク型磁気ヘッド、および磁気ディスク装置 |
WO2009098760A1 (ja) * | 2008-02-06 | 2009-08-13 | Fujitsu Limited | 記録素子、磁気ヘッド、および、情報記憶装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921217A (en) * | 1971-12-27 | 1975-11-18 | Ibm | Three-legged magnetic recording head using a magnetorestive element |
US4300177A (en) * | 1975-07-17 | 1981-11-10 | U.S. Philips Corporation | Thin-film magnetic head for reading and writing information |
US4566050A (en) * | 1982-12-30 | 1986-01-21 | International Business Machines Corp. (Ibm) | Skew insensitive magnetic read head |
NL8301188A (nl) * | 1983-04-05 | 1984-11-01 | Philips Nv | Magneetkop met een dunne strook magnetoweerstandmateriaal als leeselement. |
SU1125651A1 (ru) * | 1983-06-16 | 1984-11-23 | Минский радиотехнический институт | Тонкопленочна магнитна головка |
US4782415A (en) * | 1985-10-02 | 1988-11-01 | International Business Machines Corp. | Differential twin track vertical read/write magnetic head structure |
US4698711A (en) * | 1985-10-02 | 1987-10-06 | International Business Machines Corporation | Simplified, shielded twin-track read/write head structure |
NL8600390A (nl) * | 1986-02-17 | 1987-09-16 | Philips Nv | Magneetkop met magnetoweerstandselement. |
-
1991
- 1991-02-27 US US07/661,797 patent/US5164869A/en not_active Expired - Lifetime
- 1991-12-11 JP JP3327633A patent/JP2500970B2/ja not_active Expired - Fee Related
-
1992
- 1992-01-16 DE DE69204869T patent/DE69204869T2/de not_active Expired - Fee Related
- 1992-01-16 EP EP92300382A patent/EP0501603B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69204869T2 (de) | 1996-05-02 |
EP0501603A3 (en) | 1993-06-09 |
JP2500970B2 (ja) | 1996-05-29 |
US5164869A (en) | 1992-11-17 |
EP0501603A2 (de) | 1992-09-02 |
JPH0628633A (ja) | 1994-02-04 |
EP0501603B1 (de) | 1995-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |