JP2004335082A - 読み取り構造と書き込み構造の間に最微小の分離を有する並列薄膜ヘッドに関する方法および装置 - Google Patents
読み取り構造と書き込み構造の間に最微小の分離を有する並列薄膜ヘッドに関する方法および装置 Download PDFInfo
- Publication number
- JP2004335082A JP2004335082A JP2004125063A JP2004125063A JP2004335082A JP 2004335082 A JP2004335082 A JP 2004335082A JP 2004125063 A JP2004125063 A JP 2004125063A JP 2004125063 A JP2004125063 A JP 2004125063A JP 2004335082 A JP2004335082 A JP 2004335082A
- Authority
- JP
- Japan
- Prior art keywords
- read
- yoke
- head
- abs
- coil
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000000926 separation method Methods 0.000 title description 21
- 239000010409 thin film Substances 0.000 title description 5
- 230000005291 magnetic effect Effects 0.000 claims abstract description 86
- 230000001939 inductive effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 33
- 230000008901 benefit Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229920010266 ABS 540 Polymers 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
-
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/430,972 US7227727B2 (en) | 2003-05-07 | 2003-05-07 | Method and apparatus for a side-by-side thin film head with minimal separation between the read and write structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004335082A true JP2004335082A (ja) | 2004-11-25 |
| JP2004335082A5 JP2004335082A5 (enExample) | 2007-06-07 |
Family
ID=33416361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004125063A Pending JP2004335082A (ja) | 2003-05-07 | 2004-04-21 | 読み取り構造と書き込み構造の間に最微小の分離を有する並列薄膜ヘッドに関する方法および装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7227727B2 (enExample) |
| JP (1) | JP2004335082A (enExample) |
| CN (1) | CN1551118A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7535674B2 (en) * | 2004-09-09 | 2009-05-19 | Hitachi Global Storage Technologies Netherlands B.V. | Narrow pitch tape head array using an orthogonal backgap |
| US7343667B2 (en) * | 2004-09-30 | 2008-03-18 | Hitachi Global Storage Technologies Netherlands B.V. | Methods of making a side-by-side read/write head with a self-aligned trailing shield structure |
| JP2013016245A (ja) * | 2011-06-30 | 2013-01-24 | Seagate Technology Llc | 磁気ヘッド |
| US20130188281A1 (en) * | 2012-01-25 | 2013-07-25 | Seagate Technology Llc | Devices including shaped write coils |
| US8687318B2 (en) * | 2012-03-13 | 2014-04-01 | Seagate Technology Llc | Recording head coil structure |
| US9741369B2 (en) * | 2014-02-28 | 2017-08-22 | Western Digital Technologies, Inc. | Multi-track reader for improved signal to noise ratio |
| JP2022025918A (ja) * | 2020-07-30 | 2022-02-10 | 株式会社東芝 | 磁気ディスク装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285341A (en) * | 1990-12-17 | 1994-02-08 | Canon Kabushiki Kaisha | Thin film magnetic head |
| US5909346A (en) * | 1994-08-26 | 1999-06-01 | Aiwa Research & Development, Inc. | Thin magnetic film including multiple geometry gap structures on a common substrate |
| US5798890A (en) * | 1997-03-05 | 1998-08-25 | International Business Machines Corporation | Disk drive with identical three-element, side-by-side heads on opposite disk surfaces |
| JP3503874B2 (ja) * | 1998-09-29 | 2004-03-08 | Tdk株式会社 | 薄膜磁気ヘッドの製造方法 |
| US6201671B1 (en) * | 1998-12-04 | 2001-03-13 | International Business Machines Corporation | Seed layer for a nickel oxide pinning layer for increasing the magnetoresistance of a spin valve sensor |
| US6985330B2 (en) * | 2003-07-28 | 2006-01-10 | Hitachi Global Technologies Netherlands B.V. | High efficiency side-by-side thin film head utilizing canted shield yokes |
-
2003
- 2003-05-07 US US10/430,972 patent/US7227727B2/en not_active Expired - Fee Related
-
2004
- 2004-04-21 JP JP2004125063A patent/JP2004335082A/ja active Pending
- 2004-04-27 CN CNA2004100386041A patent/CN1551118A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20040223260A1 (en) | 2004-11-11 |
| US7227727B2 (en) | 2007-06-05 |
| CN1551118A (zh) | 2004-12-01 |
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| Date | Code | Title | Description |
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| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070417 |
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