CN104599683B - 用于与写入极和近场换能器一起使用的多部分散热器 - Google Patents
用于与写入极和近场换能器一起使用的多部分散热器 Download PDFInfo
- Publication number
- CN104599683B CN104599683B CN201410784435.XA CN201410784435A CN104599683B CN 104599683 B CN104599683 B CN 104599683B CN 201410784435 A CN201410784435 A CN 201410784435A CN 104599683 B CN104599683 B CN 104599683B
- Authority
- CN
- China
- Prior art keywords
- heat sink
- facing surface
- media
- field transducer
- sink portion
- 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
- G11B5/48—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
- 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
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/024,329 | 2013-09-11 | ||
| US14/024,329 US8923100B1 (en) | 2013-09-11 | 2013-09-11 | Multi-portion heat sink for use with write pole and near-field transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104599683A CN104599683A (zh) | 2015-05-06 |
| CN104599683B true CN104599683B (zh) | 2018-05-15 |
Family
ID=52112537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410784435.XA Expired - Fee Related CN104599683B (zh) | 2013-09-11 | 2014-09-11 | 用于与写入极和近场换能器一起使用的多部分散热器 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8923100B1 (enExample) |
| JP (1) | JP5897672B2 (enExample) |
| KR (1) | KR101553872B1 (enExample) |
| CN (1) | CN104599683B (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9275658B2 (en) | 2014-03-13 | 2016-03-01 | Headway Technologies, Inc. | Thermally-assisted magnetic recording head including a plasmon generator |
| US9218827B1 (en) | 2014-07-18 | 2015-12-22 | Headway Technologies, Inc. | Thermally-assisted magnetic recording head including a return path section |
| US9218835B1 (en) * | 2014-09-02 | 2015-12-22 | Headway Technologies, Inc. | Thermally-assisted magnetic recording head including a heat sink |
| US9552833B2 (en) * | 2014-11-11 | 2017-01-24 | Seagate Technology Llc | Devices including a multilayer gas barrier layer |
| US9620150B2 (en) * | 2014-11-11 | 2017-04-11 | Seagate Technology Llc | Devices including an amorphous gas barrier layer |
| US9881638B1 (en) * | 2014-12-17 | 2018-01-30 | Western Digital (Fremont), Llc | Method for providing a near-field transducer (NFT) for a heat assisted magnetic recording (HAMR) device |
| US9251830B1 (en) * | 2015-05-19 | 2016-02-02 | Seagate Technology Llc | Waveguide cladding layer with transparent heat sink for heat-assisted magnetic recording device |
| US9269380B1 (en) | 2015-07-10 | 2016-02-23 | Seagate Technology Llc | Devices including a near field transducer (NFT), at least one cladding layer and interlayer there between |
| US10438617B2 (en) * | 2016-12-05 | 2019-10-08 | Western Digital Technologies, Inc. | Heat assisted magnetic data recording head with heat sink |
| US10192577B1 (en) * | 2016-12-08 | 2019-01-29 | Seagate Technology Llc | Write pole coating layer |
| US10482907B1 (en) | 2018-09-27 | 2019-11-19 | Western Digital Technologies, Inc. | Methods of protecting write pole from corrosion in HAMR head |
| US11011201B2 (en) | 2019-07-24 | 2021-05-18 | Seagate Technology Llc | Heatsink structures for heat-assisted magnetic recording heads |
| US11328747B1 (en) | 2020-12-08 | 2022-05-10 | Western Digital Technologies, Inc. | Heat-assisted magnetic recording (HAMR) head with heat sink material adjacent the waveguide |
| US11250879B1 (en) | 2021-02-17 | 2022-02-15 | Western Digital Technologies, Inc. | Heat-assisted magnetic recording (HAMR) head with optically reflective shield material adjacent the waveguide |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298931A (zh) * | 2010-06-25 | 2011-12-28 | 西部数据(弗里蒙特)公司 | 用于在能量辅助磁记录磁头中提供热管理的方法和系统 |
| CN102362310A (zh) * | 2009-02-24 | 2012-02-22 | 希捷科技有限公司 | 用于热辅助磁记录的记录头 |
| US8514673B1 (en) * | 2012-04-24 | 2013-08-20 | Seagate Technology Llc | Layered near-field transducer |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6665136B2 (en) | 2001-08-28 | 2003-12-16 | Seagate Technology Llc | Recording heads using magnetic fields generated locally from high current densities in a thin film wire |
| JP2003085707A (ja) | 2001-09-12 | 2003-03-20 | Hitachi Ltd | 磁気ヘッドおよび磁気ヘッドの製造方法並びにこれを用いた磁気ディスク装置 |
| EP1398763B1 (en) | 2002-08-08 | 2006-05-03 | Hitachi Global Storage Technologies Netherlands B.V. | Heat sink for a magnetic recording head |
| US8345374B2 (en) | 2003-05-29 | 2013-01-01 | Seagate Technology, Llc | Patterned media for heat assisted magnetic recording |
| US7009812B2 (en) | 2003-09-29 | 2006-03-07 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic transducer for perpendicular magnetic recording with single pole write head with trailing shield |
| JP2005285306A (ja) | 2004-03-05 | 2005-10-13 | Tdk Corp | 薄膜磁気ヘッド |
| US7212367B2 (en) | 2004-06-16 | 2007-05-01 | Seagate Technology Llc | Ampere wire write head with confined magnetic fields |
| US9135932B2 (en) * | 2007-01-17 | 2015-09-15 | Seagate Technology Llc | Integrated head for heat assisted magnetic recording |
| US8077417B2 (en) | 2008-12-11 | 2011-12-13 | Seagate Technology Llc | Skip block writing for bit patterned media write synchronization |
| US8259413B2 (en) | 2008-12-31 | 2012-09-04 | Hitachi Global Storage Technologies Netherlands B.V. | Write head with self-align layer and a method for making the same |
| US8339740B2 (en) * | 2010-02-23 | 2012-12-25 | Seagate Technology Llc | Recording head for heat assisted magnetic recording with diffusion barrier surrounding a near field transducer |
| US8339739B2 (en) * | 2010-08-31 | 2012-12-25 | Hitachi Global Storage Technologies Netherlands B.V. | Thermally assisted recording head with near field transducer having integral heatsink |
| US8486286B1 (en) * | 2010-12-21 | 2013-07-16 | Western Digital (Fremont), Llc | Method and system for providing an energy assisted magnetic recording writer having an integrated NFT, heat sink, and pole |
| US9431036B2 (en) * | 2010-12-22 | 2016-08-30 | Seagate Technology Llc | Heat-sinks for optical near-field transducers |
| US9053737B2 (en) * | 2010-12-22 | 2015-06-09 | Seagate Technology Llc | Heat assisted magnetic recording devices |
| US8451696B2 (en) * | 2011-10-31 | 2013-05-28 | HGST Netherlands B.V. | Temperature sensor in a thermally assisted magnetic recording head |
| US8705323B2 (en) | 2011-10-31 | 2014-04-22 | HGST Netherlands B.V. | TAR temperature sensor having faster response time |
| US8259540B1 (en) | 2012-01-16 | 2012-09-04 | Seagate Technology Llc | Heat assisted magnetic recording (HAMR) heads including components made of nickel alloys |
| US8456968B1 (en) * | 2012-02-22 | 2013-06-04 | Headway Technologies, Inc. | Thermally-assisted magnetic recording head having dual heat sink layers |
| US8493693B1 (en) | 2012-03-30 | 2013-07-23 | Western Digital (Fremont), Llc | Perpendicular magnetic recording transducer with AFM insertion layer |
| US8582253B1 (en) | 2012-06-04 | 2013-11-12 | Western Digital (Fremont), Llc | Magnetic sensor having a high spin polarization reference layer |
| JP6081134B2 (ja) | 2012-10-17 | 2017-02-15 | 株式会社日立製作所 | 垂直磁気記録媒体及び磁気記憶装置 |
-
2013
- 2013-09-11 US US14/024,329 patent/US8923100B1/en active Active
-
2014
- 2014-09-10 JP JP2014184098A patent/JP5897672B2/ja not_active Expired - Fee Related
- 2014-09-11 CN CN201410784435.XA patent/CN104599683B/zh not_active Expired - Fee Related
- 2014-09-11 KR KR1020140120274A patent/KR101553872B1/ko not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102362310A (zh) * | 2009-02-24 | 2012-02-22 | 希捷科技有限公司 | 用于热辅助磁记录的记录头 |
| CN102298931A (zh) * | 2010-06-25 | 2011-12-28 | 西部数据(弗里蒙特)公司 | 用于在能量辅助磁记录磁头中提供热管理的方法和系统 |
| US8514673B1 (en) * | 2012-04-24 | 2013-08-20 | Seagate Technology Llc | Layered near-field transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101553872B1 (ko) | 2015-09-17 |
| JP5897672B2 (ja) | 2016-03-30 |
| CN104599683A (zh) | 2015-05-06 |
| JP2015056200A (ja) | 2015-03-23 |
| US8923100B1 (en) | 2014-12-30 |
| KR20150030181A (ko) | 2015-03-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 |