DE60143392D1 - Aufzeichnungskopf für thermisch unterstützte magnetische aufzeichnung - Google Patents
Aufzeichnungskopf für thermisch unterstützte magnetische aufzeichnungInfo
- Publication number
- DE60143392D1 DE60143392D1 DE60143392T DE60143392T DE60143392D1 DE 60143392 D1 DE60143392 D1 DE 60143392D1 DE 60143392 T DE60143392 T DE 60143392T DE 60143392 T DE60143392 T DE 60143392T DE 60143392 D1 DE60143392 D1 DE 60143392D1
- Authority
- DE
- Germany
- Prior art keywords
- optical
- recording
- record
- head
- magnetic circuit
- 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 - Lifetime
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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10532—Heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
- G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
-
- 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
-
- 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
- G11B5/488—Disposition of heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
- G11B13/045—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties combined recording by magnetic and optic means
-
- 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
-
- 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
-
- 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
- G11B2005/0026—Pulse recording
- G11B2005/0029—Pulse recording using magnetisation components of the recording layer disposed mainly perpendicularly to the record carrier surface
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2525—Magneto-optical [MO] discs
-
- 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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
-
- 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
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
Landscapes
- 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 |
---|---|---|---|
EP00202087 | 2000-06-16 | ||
PCT/EP2001/006453 WO2001097214A2 (en) | 2000-06-16 | 2001-06-07 | Record head for thermally assisted magnetic recording |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60143392D1 true DE60143392D1 (de) | 2010-12-16 |
Family
ID=8171636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60143392T Expired - Lifetime DE60143392D1 (de) | 2000-06-16 | 2001-06-07 | Aufzeichnungskopf für thermisch unterstützte magnetische aufzeichnung |
Country Status (8)
Country | Link |
---|---|
US (1) | US7069568B2 (de) |
EP (1) | EP1295285B1 (de) |
JP (1) | JP2004503892A (de) |
KR (1) | KR100781185B1 (de) |
CN (1) | CN1206621C (de) |
AT (1) | ATE487215T1 (de) |
DE (1) | DE60143392D1 (de) |
WO (1) | WO2001097214A2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002310155A1 (en) * | 2002-01-08 | 2003-07-30 | Seagate Technology Llc | Heat assisted magnetic recording head with hybrid write pole |
WO2004003891A1 (en) * | 2002-06-28 | 2004-01-08 | Seagate Technology Llc | Heat assisted magnetic recording head with a planar waveguide |
AU2003218264A1 (en) * | 2002-09-30 | 2004-04-23 | Seagate Technology Llc | Planar waveguide for heat assisted magnetic recording |
CN100576345C (zh) * | 2002-11-28 | 2009-12-30 | Nxp股份有限公司 | 带有共享电流线路的磁存储器体系结构 |
US6989952B2 (en) * | 2003-07-15 | 2006-01-24 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording disk drive with laminated media and improved media signal-to-noise ratio |
US7268973B2 (en) * | 2003-07-24 | 2007-09-11 | Hitachi Global Storage Technologies Netherlands, B.V. | Perpendicular magnetic head having thermally assisted recording element |
US7155732B2 (en) | 2003-09-05 | 2006-12-26 | Seagate Technology Llc | Heat assisted magnetic recording head and method |
AU2003268520A1 (en) * | 2003-09-05 | 2005-04-21 | Seagate Technology Llc | Heat assisted magnetic recording head and method |
JP2005209290A (ja) * | 2004-01-23 | 2005-08-04 | Hitachi Ltd | 熱磁気転写型磁気記録方式および磁気ディスク装置 |
US7483229B2 (en) * | 2004-12-08 | 2009-01-27 | Seagate Technology Llc | Optical coupling to data recording transducer |
US7310206B2 (en) | 2004-12-28 | 2007-12-18 | Sae Magnetics (H.K.) Ltd. | Magnetic thin film head with heat-assisted write section and hard disk drive incorporating same |
KR100738096B1 (ko) * | 2006-01-10 | 2007-07-12 | 삼성전자주식회사 | 열보조 자기기록헤드 및 그 제조방법 |
JP2007220174A (ja) * | 2006-02-15 | 2007-08-30 | Fujitsu Ltd | 磁気ヘッド、および情報記憶装置 |
JP4504960B2 (ja) * | 2006-08-28 | 2010-07-14 | 株式会社日立製作所 | 熱アシスト磁気記録装置 |
US7791839B2 (en) * | 2006-09-14 | 2010-09-07 | Hitachi Global Storage Technologies Netherlands B.V. | Thermally-assisted perpendicular magnetic recording system with write pole surrounding an optical channel and having recessed pole tip |
US7949218B2 (en) * | 2008-02-14 | 2011-05-24 | Seagate Technology Llc | Waveguide for heat assisted magnetic recording |
US8619511B1 (en) | 2012-08-06 | 2013-12-31 | HGST Netherlands B.V. | Heat-assisted magnetic recording head with optical spot-size converter fabricated in 2-dimensional waveguide |
US10950267B1 (en) * | 2020-02-28 | 2021-03-16 | Western Digital Technologies, Inc. | HAMR media to assist optically transparent build-up on NFT to improve reliability |
US10950266B1 (en) * | 2020-02-28 | 2021-03-16 | Western Digital Technologies, Inc. | In-situ NFT pre-treatment to accumulate optically transparent material on NFT to improve reliability |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63138546A (ja) * | 1986-11-29 | 1988-06-10 | Nec Home Electronics Ltd | 光磁気記録装置 |
US5077822A (en) * | 1989-09-22 | 1991-12-31 | Siemens Aktiengesellschaft | Optical film or strip waveguide having a dielectric waveguiding layer |
FR2676303B1 (fr) | 1991-05-07 | 1993-07-16 | Commissariat Energie Atomique | Tete magneto-optique integree de lecture et d'ecriture et procede de realisation. |
US5199090A (en) * | 1992-03-06 | 1993-03-30 | Hewlett-Packard Company | Flying magnetooptical read/write head employing an optical integrated circuit waveguide |
US5986978A (en) * | 1998-01-12 | 1999-11-16 | Read-Rite Corporation | Read/write head and method for magnetic reading and magneto-optical writing on a data storage medium |
JP2000105902A (ja) * | 1998-09-29 | 2000-04-11 | Fuji Electric Co Ltd | 磁気記録再生方式 |
JP2000195002A (ja) * | 1998-12-24 | 2000-07-14 | Toshiba Corp | 光アシスト磁気記録装置 |
US6404706B1 (en) * | 1999-02-12 | 2002-06-11 | Read-Rite Corporation | Laser mounting for a thermally assisted GMR head |
US6016290A (en) * | 1999-02-12 | 2000-01-18 | Read-Rite Corporation | Read/write head with shifted waveguide |
US6674693B1 (en) * | 1999-02-18 | 2004-01-06 | Hitachi Maxell, Ltd. | Recording method, reproducing method and recording and reproducing apparatus for magneto-optical recording medium |
US6762977B1 (en) * | 1999-09-13 | 2004-07-13 | Seagate Technology Llc | Laser assisted magnetic recording apparatus and method |
US6771462B1 (en) * | 1999-09-20 | 2004-08-03 | Seagate Technology Llc | Perpendicular recording head including concave tip |
JP3677423B2 (ja) * | 1999-12-28 | 2005-08-03 | 株式会社東芝 | 熱アシスト磁気記録方法及び熱アシスト磁気記録装置 |
US6809908B1 (en) * | 2000-03-10 | 2004-10-26 | Hitachi, Ltd. | Light induction type thin film magnetic head |
US6873576B1 (en) * | 2000-05-24 | 2005-03-29 | Koninklijke Philips Electronics N.V. | Method of thermally-assisted data recording and a recording apparatus |
-
2001
- 2001-06-07 KR KR1020027001908A patent/KR100781185B1/ko not_active IP Right Cessation
- 2001-06-07 EP EP01962715A patent/EP1295285B1/de not_active Expired - Lifetime
- 2001-06-07 JP JP2002511329A patent/JP2004503892A/ja active Pending
- 2001-06-07 WO PCT/EP2001/006453 patent/WO2001097214A2/en active Application Filing
- 2001-06-07 AT AT01962715T patent/ATE487215T1/de not_active IP Right Cessation
- 2001-06-07 DE DE60143392T patent/DE60143392D1/de not_active Expired - Lifetime
- 2001-06-07 CN CNB018016928A patent/CN1206621C/zh not_active Expired - Fee Related
- 2001-06-14 US US09/881,602 patent/US7069568B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1295285A2 (de) | 2003-03-26 |
CN1206621C (zh) | 2005-06-15 |
KR100781185B1 (ko) | 2007-12-03 |
US20050071859A1 (en) | 2005-03-31 |
EP1295285B1 (de) | 2010-11-03 |
KR20020042641A (ko) | 2002-06-05 |
WO2001097214A2 (en) | 2001-12-20 |
JP2004503892A (ja) | 2004-02-05 |
ATE487215T1 (de) | 2010-11-15 |
US7069568B2 (en) | 2006-06-27 |
WO2001097214A3 (en) | 2002-04-04 |
CN1383548A (zh) | 2002-12-04 |
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