JP2002133614A - 薄膜磁気ヘッドおよびその製造方法 - Google Patents
薄膜磁気ヘッドおよびその製造方法Info
- Publication number
- JP2002133614A JP2002133614A JP2000331088A JP2000331088A JP2002133614A JP 2002133614 A JP2002133614 A JP 2002133614A JP 2000331088 A JP2000331088 A JP 2000331088A JP 2000331088 A JP2000331088 A JP 2000331088A JP 2002133614 A JP2002133614 A JP 2002133614A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- film
- magnetic
- shield
- shield layer
- 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.)
- Pending
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11B5/313—Disposition of layers
- G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electromagnetism (AREA)
- Magnetic Heads (AREA)
- Hall/Mr Elements (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000331088A JP2002133614A (ja) | 2000-10-30 | 2000-10-30 | 薄膜磁気ヘッドおよびその製造方法 |
| US09/983,972 US6947261B2 (en) | 2000-10-30 | 2001-10-26 | Thin film magnetic head and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000331088A JP2002133614A (ja) | 2000-10-30 | 2000-10-30 | 薄膜磁気ヘッドおよびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002133614A true JP2002133614A (ja) | 2002-05-10 |
| JP2002133614A5 JP2002133614A5 (enExample) | 2004-08-19 |
Family
ID=18807495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000331088A Pending JP2002133614A (ja) | 2000-10-30 | 2000-10-30 | 薄膜磁気ヘッドおよびその製造方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6947261B2 (enExample) |
| JP (1) | JP2002133614A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7031119B2 (en) | 2002-08-30 | 2006-04-18 | Hitachi, Ltd. | CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6785099B2 (en) * | 2002-02-04 | 2004-08-31 | Hitachi Global Storage Technologies Netherlands B.V. | Read gap improvements through high resistance magnetic shield layers |
| JP3815676B2 (ja) * | 2002-10-02 | 2006-08-30 | Tdk株式会社 | 磁気抵抗効果素子、薄膜磁気ヘッド、磁気ヘッド装置及び磁気記録再生装置 |
| US6995957B2 (en) * | 2003-03-18 | 2006-02-07 | Hitachi Global Storage Technologies Netherland B.V. | Magnetoresistive sensor having a high resistance soft magnetic layer between sensor stack and shield |
| US20060250726A1 (en) * | 2005-05-09 | 2006-11-09 | Hitachi Global Storage Technologies Netherlands B. V. | Shield structure in magnetic recording heads |
| US7606009B2 (en) * | 2006-03-15 | 2009-10-20 | Hitachi Global Storage Technologies Netherlands B.V. | Read sensor stabilized by bidirectional anisotropy |
| JPWO2011065323A1 (ja) * | 2009-11-27 | 2013-04-11 | 日本電気株式会社 | 磁気抵抗効果素子、および磁気ランダムアクセスメモリ |
| JP5132706B2 (ja) * | 2010-03-31 | 2013-01-30 | 株式会社東芝 | 磁気ヘッド、磁気ヘッドアセンブリおよび磁気記録再生装置 |
| US8976492B1 (en) * | 2013-10-29 | 2015-03-10 | HGST Netherlands B.V. | Magnetic head having two domain control layers for stabilizing magnetization of the hard bias layer |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60239911A (ja) | 1984-05-11 | 1985-11-28 | Fujitsu Ltd | 磁気抵抗効果型再生ヘツド |
| US4918554A (en) * | 1988-09-27 | 1990-04-17 | International Business Machines Corporation | Process for making a shielded magnetoresistive sensor |
| JPH0782622B2 (ja) | 1992-12-04 | 1995-09-06 | 日本電気株式会社 | 磁気抵抗効果型磁気ヘッド |
| US5515221A (en) * | 1994-12-30 | 1996-05-07 | International Business Machines Corporation | Magnetically stable shields for MR head |
| US5838521A (en) * | 1995-04-17 | 1998-11-17 | Read-Rite Corporation | Magnetoresistive transducer having laminated magnetic shields |
| US6038106A (en) * | 1995-05-10 | 2000-03-14 | International Business Machines Corporation | Piggyback magneto-resistive read/write tape head with optimized process for same gap read/write |
| JP3388685B2 (ja) * | 1996-04-01 | 2003-03-24 | ティーディーケイ株式会社 | 磁気ヘッド |
| SG68063A1 (en) * | 1997-07-18 | 1999-10-19 | Hitachi Ltd | Magnetoresistive effect type reproducing head and magnetic disk apparatus equipped with the reproducing head |
| JPH11161920A (ja) | 1997-09-29 | 1999-06-18 | Hitachi Ltd | 記録再生ヘッド及びそれを用いたヘッド・ディスク・アセンブリと磁気ディスク装置 |
| JP2001084536A (ja) * | 1999-09-17 | 2001-03-30 | Alps Electric Co Ltd | 薄膜磁気ヘッド |
| JP2001167408A (ja) * | 1999-12-09 | 2001-06-22 | Tdk Corp | 薄膜磁気ヘッドおよびその製造方法 |
-
2000
- 2000-10-30 JP JP2000331088A patent/JP2002133614A/ja active Pending
-
2001
- 2001-10-26 US US09/983,972 patent/US6947261B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7031119B2 (en) | 2002-08-30 | 2006-04-18 | Hitachi, Ltd. | CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same |
| US7154713B2 (en) | 2002-08-30 | 2006-12-26 | Hitachi Global Storage Technologies Japan, Ltd. | CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| US20020075609A1 (en) | 2002-06-20 |
| US6947261B2 (en) | 2005-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20041227 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20050106 |
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| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050307 Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20050307 |
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| A02 | Decision of refusal |
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