CN101714358B - 头滑块、头组件和磁盘驱动器 - Google Patents
头滑块、头组件和磁盘驱动器 Download PDFInfo
- Publication number
- CN101714358B CN101714358B CN2009101786453A CN200910178645A CN101714358B CN 101714358 B CN101714358 B CN 101714358B CN 2009101786453 A CN2009101786453 A CN 2009101786453A CN 200910178645 A CN200910178645 A CN 200910178645A CN 101714358 B CN101714358 B CN 101714358B
- Authority
- CN
- China
- Prior art keywords
- main pole
- end surfaces
- head slider
- width
- magnetic
- 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.)
- Active
Links
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
- G11B5/127—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
- G11B5/314—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 where the layers are extra layers normally not provided in the transducing structure, e.g. optical layers
-
- 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
- G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
-
- 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
- G11B5/6088—Optical waveguide in or on flying head
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008258533A JP5626713B2 (ja) | 2008-10-03 | 2008-10-03 | ヘッドスライダ、ヘッドアッセンブリ及び磁気ディスク装置 |
JP258533/08 | 2008-10-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101714358A CN101714358A (zh) | 2010-05-26 |
CN101714358B true CN101714358B (zh) | 2012-07-04 |
Family
ID=42255089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101786453A Active CN101714358B (zh) | 2008-10-03 | 2009-09-24 | 头滑块、头组件和磁盘驱动器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8248893B2 (zh) |
JP (1) | JP5626713B2 (zh) |
CN (1) | CN101714358B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010250919A (ja) * | 2009-04-20 | 2010-11-04 | Toshiba Storage Device Corp | 磁気記録ヘッドおよび磁気記憶装置 |
US8358127B2 (en) * | 2010-04-07 | 2013-01-22 | Tdk Corporation | Apparatus for measuring magnetic field of microwave-assisted head |
JP5529713B2 (ja) * | 2010-11-10 | 2014-06-25 | 株式会社日立製作所 | 磁気ヘッド及びそれを用いた磁気記録再生装置 |
US8400885B2 (en) | 2011-04-29 | 2013-03-19 | Tdk Corporation | Thermally-assisted magnetic recording head, head gimbal assembly and magnetic recording device |
US8493818B2 (en) | 2011-07-14 | 2013-07-23 | Tdk Corporation | Thermally-assisted magnetic recording head, head gimbal assembly and magnetic recording device |
US8605387B2 (en) * | 2012-03-05 | 2013-12-10 | Tdk Corporation | Thermally-assisted magnetic recording head including a magnetic pole and a heating element |
US8462465B1 (en) * | 2012-03-23 | 2013-06-11 | Tdk Corporation | Head gimbal assembly for microwave-assisted magnetic recording in impedance matching between microwave radiation element and microwave transmission line |
US9666212B2 (en) * | 2012-12-05 | 2017-05-30 | Seagate Technology Llc | Writer with protruded section at trailing edge |
JP2015185182A (ja) * | 2014-03-20 | 2015-10-22 | 株式会社東芝 | 磁気記録装置 |
CN114783466B (zh) * | 2018-11-22 | 2023-10-20 | 新科实业有限公司 | 用于热辅助磁记录的过渡曲率改进的系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7206166B2 (en) * | 2002-08-29 | 2007-04-17 | Tdk Corporation | Thin film magnetic head and method of manufacturing the same |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003010758A1 (en) * | 2001-07-24 | 2003-02-06 | Seagate Technology Llc | Write head for high anisotropy media |
JP2006018902A (ja) * | 2004-06-30 | 2006-01-19 | Toshiba Corp | ディスクリートトラック媒体を有する垂直磁気記録装置 |
JP4081485B2 (ja) * | 2005-11-01 | 2008-04-23 | 株式会社日立製作所 | 熱アシスト記録装置用ヘッド及び熱アシスト記録装置 |
JP4148258B2 (ja) * | 2005-12-16 | 2008-09-10 | Tdk株式会社 | 近接場光発生層を備えた薄膜磁気ヘッド |
JP4400579B2 (ja) * | 2006-01-30 | 2010-01-20 | Tdk株式会社 | 台形端を有する近接場光発生部を備えた薄膜磁気ヘッド |
US7773342B2 (en) * | 2006-01-30 | 2010-08-10 | Tdk Corporation | Thin-film magnetic head having near-field-light-generating portion with trapezoidal end |
JP2007220209A (ja) * | 2006-02-16 | 2007-08-30 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ヘッド、磁気記録再生装置及び磁気ヘッドの製造方法 |
JP2007220208A (ja) * | 2006-02-16 | 2007-08-30 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ヘッド、磁気記録再生装置及び磁気ヘッドの製造方法 |
JP2007294059A (ja) * | 2006-04-27 | 2007-11-08 | Hitachi Global Storage Technologies Netherlands Bv | 垂直記録磁気ヘッド |
JP2008010026A (ja) | 2006-06-27 | 2008-01-17 | Tdk Corp | 熱アシスト磁気記録用光源ユニット及び該ユニットを備えた薄膜磁気ヘッドの製造方法 |
JP2009146517A (ja) * | 2007-12-14 | 2009-07-02 | Hitachi Global Storage Technologies Netherlands Bv | 垂直磁気記録ヘッド |
-
2008
- 2008-10-03 JP JP2008258533A patent/JP5626713B2/ja not_active Expired - Fee Related
-
2009
- 2009-09-24 CN CN2009101786453A patent/CN101714358B/zh active Active
- 2009-10-02 US US12/573,069 patent/US8248893B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7206166B2 (en) * | 2002-08-29 | 2007-04-17 | Tdk Corporation | Thin film magnetic head and method of manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
JP2010092514A (ja) | 2010-04-22 |
US20110096638A1 (en) | 2011-04-28 |
US8248893B2 (en) | 2012-08-21 |
CN101714358A (zh) | 2010-05-26 |
JP5626713B2 (ja) | 2014-11-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101714358B (zh) | 头滑块、头组件和磁盘驱动器 | |
US8031561B2 (en) | Joint design of thermally-assisted magnetic recording head and patterned media for high optical efficiency | |
CN101145347B (zh) | 热辅助垂直磁记录系统 | |
US8184399B2 (en) | Magnetic write head with thin and thick portions for balancing writability and ate | |
JP5330757B2 (ja) | 磁気記録方法及び磁気記録装置 | |
US8351305B2 (en) | Notched pole design for HAMR recording | |
US8270260B2 (en) | Optically assisted magnetic recording head having a waveguide core with a plate-shaped portion protruding from an air bearing surface side of the core | |
US8179628B2 (en) | Magnetic core plasmon antenna with improved coupling efficiency | |
US7880996B2 (en) | Ridge wave-guide for thermal assisted magnetic recording | |
US8564906B2 (en) | Pole tip shield shaped to provide a differential shielding effect alongside the magnetic pole tip | |
JP6085537B2 (ja) | 近接場変換器に結合されるテーパー領域を有する導波路利用熱アシスト記録(tar)ヘッド | |
US20080117546A1 (en) | Perpendicular magnetic recording write head with flux-conductor contacting write pole | |
JP5587883B2 (ja) | 熱アシスト記録用ヘッド及び熱アシスト記録装置 | |
US9025422B2 (en) | Plasmon generator having flare shaped section | |
US9190084B1 (en) | Thermal assisted magnetic recording head with protrusion on leading side of plasmon generator | |
US8947985B1 (en) | Heat assisted magnetic recording transducers having a recessed pole | |
JP2005243124A (ja) | 磁気ヘッド及びそれを搭載した磁気記録再生装置 | |
JP2008276816A (ja) | 垂直磁気記録ヘッド | |
US20200294536A1 (en) | Magnetic write head with dual return pole and tapered main pole | |
US9142233B1 (en) | Heat assisted magnetic recording writer having a recessed pole | |
JP2007272958A (ja) | 垂直磁気記録ヘッド | |
US9472220B1 (en) | Dual waveguide near field transducer for heat assisted magnetic recording | |
JP2006318579A (ja) | 薄膜磁気ヘッドおよびその製造方法、並びにヘッドジンバルアセンブリおよびハードディスク装置 | |
JP2014038689A (ja) | 近接場変換器のための反射層を備える熱アシスト記録(tar)ヘッド | |
US8986556B2 (en) | Heat assisted narrow pole design with trailing shield |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: HGST NETHERLANDS BV Free format text: FORMER NAME: HITACHI GLOBAL STORAGE TECH |
|
CP01 | Change in the name or title of a patent holder |
Address after: Amsterdam Patentee after: Hitachi Global Storage Technologies Netherlands B. V. Address before: Amsterdam Patentee before: Hitachi Global Storage Tech |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190122 Address after: American California Patentee after: Western Digital Technologies, Inc. Address before: Amsterdam Patentee before: Hitachi Global Storage Technologies Netherlands B. V. |