DE69330485T2 - Magnetkopf für magnetooptische Aufzeichnung und magnetooptisches Aufzeichnungsgerät - Google Patents
Magnetkopf für magnetooptische Aufzeichnung und magnetooptisches AufzeichnungsgerätInfo
- Publication number
- DE69330485T2 DE69330485T2 DE69330485T DE69330485T DE69330485T2 DE 69330485 T2 DE69330485 T2 DE 69330485T2 DE 69330485 T DE69330485 T DE 69330485T DE 69330485 T DE69330485 T DE 69330485T DE 69330485 T2 DE69330485 T2 DE 69330485T2
- Authority
- DE
- Germany
- Prior art keywords
- magneto
- optical recording
- magnetic head
- recording device
- optical
- 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
- 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
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/1058—Flying heads
-
- 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
- G11B11/10534—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording
-
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
-
- 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
- G11B11/10502—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 characterised by the transducing operation to be executed
- G11B11/10504—Recording
- G11B11/10508—Recording by modulating only the magnetic field at the transducer
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29659192A JP3190143B2 (ja) | 1992-10-09 | 1992-10-09 | 光磁気記録用磁気ヘッド |
JP34353492A JPH06176429A (ja) | 1992-12-01 | 1992-12-01 | 光磁気記録用磁気ヘッドおよび光磁気記録装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69330485D1 DE69330485D1 (de) | 2001-08-30 |
DE69330485T2 true DE69330485T2 (de) | 2001-12-13 |
Family
ID=26560744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69330485T Expired - Fee Related DE69330485T2 (de) | 1992-10-09 | 1993-10-07 | Magnetkopf für magnetooptische Aufzeichnung und magnetooptisches Aufzeichnungsgerät |
Country Status (3)
Country | Link |
---|---|
US (1) | US5689478A (de) |
EP (1) | EP0592219B1 (de) |
DE (1) | DE69330485T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08249639A (ja) * | 1995-03-07 | 1996-09-27 | Sony Corp | 浮上型ヘッドスライダ及びディスクドライブ装置 |
JPH10269641A (ja) * | 1997-03-25 | 1998-10-09 | Sony Corp | ヘッド装置 |
US5903525A (en) * | 1997-04-18 | 1999-05-11 | Read-Rite Corporation | Coil for use with magneto-optical head |
US6130863A (en) * | 1997-11-06 | 2000-10-10 | Read-Rite Corporation | Slider and electro-magnetic coil assembly |
US5978319A (en) * | 1997-11-06 | 1999-11-02 | Read-Rite Corporation | Thin electro-magnetic coil assembly for attachment to a slider |
JP3507360B2 (ja) | 1998-05-07 | 2004-03-15 | キヤノン株式会社 | 磁気ヘッド用平面コイル部品、光磁気記録用磁気ヘッドおよび光磁気記録装置 |
JP2000030203A (ja) | 1998-05-07 | 2000-01-28 | Canon Inc | 磁気ヘッド用コイル、光磁気記録用磁気ヘッドおよび光磁気記録装置 |
JP2000048422A (ja) * | 1998-07-30 | 2000-02-18 | Canon Inc | 光磁気記録用磁気ヘッドおよび光磁気記録装置 |
US6847591B1 (en) | 1999-02-25 | 2005-01-25 | Matsushita Electric Industrial Co., Ltd. | Magnetic head device and recording reproducing apparatus |
US6252741B1 (en) * | 1999-05-11 | 2001-06-26 | Greenleaf Technologies | Thin film magnetic recording head with treated ceramic substrate |
JP2001067748A (ja) | 1999-08-31 | 2001-03-16 | Canon Inc | 光磁気記録ヘッドおよび光磁気記録装置 |
JP2001229589A (ja) | 2000-02-16 | 2001-08-24 | Canon Inc | 光磁気記録媒体及び光磁気記録装置 |
JPWO2002039443A1 (ja) | 2000-11-07 | 2004-03-18 | 松下電器産業株式会社 | 磁気ヘッド |
JP2004071113A (ja) * | 2002-08-09 | 2004-03-04 | Fujitsu Ltd | 薄膜磁気ヘッド |
JP2004227712A (ja) * | 2003-01-24 | 2004-08-12 | Canon Inc | 磁気ヘッド支持機構 |
US7403356B1 (en) * | 2004-04-29 | 2008-07-22 | Seagate Technology Llc | Disk drive including slider mover having low thermal coefficient of resistivity |
CN102074333B (zh) * | 2009-11-24 | 2013-06-05 | 台达电子工业股份有限公司 | 混合材料磁芯组、磁性元件及制法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2260331B1 (de) * | 1974-02-08 | 1978-01-13 | Mauvernay Centre Europ Rech | |
JPS59215008A (ja) * | 1983-05-20 | 1984-12-04 | Canon Inc | 光磁気記録方法 |
JPS6048806A (ja) * | 1983-08-24 | 1985-03-16 | Nippon Telegr & Teleph Corp <Ntt> | 回転式棚設備 |
US4796241A (en) * | 1986-01-23 | 1989-01-03 | Sony Corporation | Device for producing a high frequency modulation magnetic field used in magneto-optical recording |
JP2575687B2 (ja) * | 1987-03-06 | 1997-01-29 | 株式会社日立製作所 | 光磁気記憶装置 |
JPH0345024A (ja) * | 1989-07-13 | 1991-02-26 | Nec Corp | 高周波切替回路 |
JP2574903B2 (ja) * | 1989-10-11 | 1997-01-22 | シャープ株式会社 | 光磁気記録装置 |
US5485435A (en) * | 1990-03-20 | 1996-01-16 | Canon Kabushiki Kaisha | Magnetic field generator in which an end face of a magnetic material member projects from man end face of magnetic field generating cores |
DE59008261D1 (de) * | 1990-03-23 | 1995-02-23 | Itt Ind Gmbh Deutsche | Medianfilter. |
-
1993
- 1993-10-07 DE DE69330485T patent/DE69330485T2/de not_active Expired - Fee Related
- 1993-10-07 EP EP93307982A patent/EP0592219B1/de not_active Expired - Lifetime
-
1995
- 1995-08-23 US US08/518,219 patent/US5689478A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0592219A1 (de) | 1994-04-13 |
DE69330485D1 (de) | 2001-08-30 |
US5689478A (en) | 1997-11-18 |
EP0592219B1 (de) | 2001-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69528419D1 (de) | Magnetisches Aufzeichnungs- und Wiedergabegerät | |
DE69029667T2 (de) | Magnetisches Aufzeichnungs- und Wiedergabegerät | |
DE69330485T2 (de) | Magnetkopf für magnetooptische Aufzeichnung und magnetooptisches Aufzeichnungsgerät | |
DE69521106T2 (de) | Magnetkopfvorrichtung und magnetooptische Aufzeichnungsvorrichtung | |
DE69319986D1 (de) | Magnetooptisches Aufnehmen und Wiedergabe | |
EP0576286A3 (en) | Magnetic head driving device and magnetooptical recording apparatus | |
DE69326113D1 (de) | Magnetisches Aufnahme- und/oder Wiedergabegerät | |
DE69425342D1 (de) | Magnetkopfantriebsvorrichtung und magnetooptisches Aufzeichnungsgerät | |
DE69324515D1 (de) | Magnetkopfvorrichtung und magnetooptisches Aufzeichnungs- und Wiedergabegerät | |
DE69033356D1 (de) | Gerät für magnetische Aufzeichnung und Wiedergabe | |
DE69118775D1 (de) | Gerät für magnetische Aufzeichnung und Wiedergabe | |
DE69219376T2 (de) | Magnetaufzeichnungs- und Wiedergabemethode und Gerät | |
DE69326287T2 (de) | Magneto-optisches Aufzeichnungsgerät und Verfahren dafür | |
DE69307283D1 (de) | Magnetisches Aufnahme- und Wiedergabegerät | |
DE69325760D1 (de) | Magnetisches Aufnahme- und Wiedergabegerät | |
DE69124862T2 (de) | Magnetkopftreibervorrichtung für Magnetaufzeichnung und -wiedergabe | |
KR960015479A (ko) | 자기기록재생장치 | |
DE69413101T2 (de) | "Magnetaufzeichnungs- und -wiedergabegerät" | |
DE69506188D1 (de) | Magnetowiderstandsmagnetkopf für Aufzeichnung und Wiedergabe | |
DE69026419D1 (de) | Magnetisches Aufzeichungs- und Wiedergabegerät | |
KR960015392A (ko) | 자기 기록 및 재생 장치 | |
DE69318867T2 (de) | Magneto-optisches Aufzeichnungs- und Wiedergabeverfahren und Gerät | |
DE69123786D1 (de) | Magnetische Aufzeichnungseinrichtung und magnetische Aufzeichnungs-/Wiedergabeeinrichtung | |
DE69427523T2 (de) | Magnetisches Aufzeichnungs- und Wiedergabegerät | |
SG33596A1 (en) | Magnetic head device and magneto-optical recording device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |