RU2002101134A - Магнитная головка с обмоткой - Google Patents

Магнитная головка с обмоткой

Info

Publication number
RU2002101134A
RU2002101134A RU2002101134/28A RU2002101134A RU2002101134A RU 2002101134 A RU2002101134 A RU 2002101134A RU 2002101134/28 A RU2002101134/28 A RU 2002101134/28A RU 2002101134 A RU2002101134 A RU 2002101134A RU 2002101134 A RU2002101134 A RU 2002101134A
Authority
RU
Russia
Prior art keywords
winding
magnetic head
layers
central hole
head according
Prior art date
Application number
RU2002101134/28A
Other languages
English (en)
Inventor
КЕСТЕРЕН Ханс В. ВАН (NL)
КЕСТЕРЕН Ханс В. ВАН
Франк К. ПЕННИНГ (NL)
Франк К. ПЕННИНГ
Original Assignee
Конинклейке Филипс Электроникс Н.В. (Nl)
Конинклейке Филипс Электроникс Н.В.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Конинклейке Филипс Электроникс Н.В. (Nl), Конинклейке Филипс Электроникс Н.В. filed Critical Конинклейке Филипс Электроникс Н.В. (Nl)
Publication of RU2002101134A publication Critical patent/RU2002101134A/ru

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
    • G11B11/10532—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
    • 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
    • G11B11/10552—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base
    • G11B11/10554—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base the transducers being disposed on the same side of the 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
    • G11B11/1055—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
    • 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

Claims (11)

1. Магнитная головка для использования в магнитооптическом устройстве, содержащая по существу плоскую обмотку магнитной головки, снабженную центральным отверстием, причем обмотка имеет слои обмотки, которые располагаются по существу параллельно друг другу, и, по меньшей мере, один виток каждого слоя обмотки проходит вокруг центрального отверстия, в которой, по меньшей мере, один из слоев обмотки имеет витки, расположенные ближе к центральному отверстию, имеют меньшую ширину, чем витки, расположенные дальше от центрального отверстия, причем, по меньшей мере, один из слоев обмотки имеет наиболее внешний виток, расположенный ближе к центральному отверстию, чем наиболее внешний виток одного из других слоев обмотки.
2. Магнитная головка по п.1, в которой, по меньшей мере, два слоя обмотки имеют витки, из которых витки, расположенные ближе к центральному отверстию, имеют меньшую ширину, чем витки, расположенные дальше от центрального отверстия.
3. Магнитная головка по п.1 или 2, в которой уменьшение ширины витков по мере приближения к центральному отверстию изменяется равномерно.
4. Магнитная головка по п.1, в которой один наиболее внешний виток расположен существенно ближе к центральному отверстию, чем другой наиболее внешний виток.
5. Магнитная головка по п.1, в которой слои обмотки являются тонкопленочными слоями.
6. Магнитная головка по п.5, в которой по меньшей мере, два из слоев обмотки размещены на плоском основании.
7. Способ изготовления магнитной головки по любому из предшествующих пунктов, в котором обеспечение плоскостности осуществляют после формирования первого слоя обмотки, но до формирования второго слоя обмотки.
8. Каретка для использования в магнитооптическом устройстве и содержащая магнитную головку по любому из предшествующих пунктов.
9. Каретка по п.8, отличающаяся тем, что содержит корпус каретки со встроенной в него магнитной головкой.
10. Магнитооптическое устройство, содержащее магнитную головку по любому из пп.1-6.
11. Магнитооптическое устройство, содержащее каретку по п.8 или 9.
RU2002101134/28A 2000-04-19 2001-04-06 Магнитная головка с обмоткой RU2002101134A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00201412.4 2000-04-19
EP00201412 2000-04-19

Publications (1)

Publication Number Publication Date
RU2002101134A true RU2002101134A (ru) 2003-09-27

Family

ID=8171370

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002101134/28A RU2002101134A (ru) 2000-04-19 2001-04-06 Магнитная головка с обмоткой

Country Status (12)

Country Link
US (1) US6628604B2 (ru)
EP (1) EP1287524A1 (ru)
JP (1) JP2003532249A (ru)
KR (1) KR100781184B1 (ru)
CN (1) CN1327425C (ru)
AR (1) AR028020A1 (ru)
BR (1) BR0105944A (ru)
CZ (1) CZ20014580A3 (ru)
HU (1) HUP0202054A2 (ru)
PL (1) PL351481A1 (ru)
RU (1) RU2002101134A (ru)
WO (1) WO2001082299A1 (ru)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6925033B2 (en) 2001-02-12 2005-08-02 Koninklijke Philips Electronics N.V. Magnetic head with a permanent-magnet layer structure
JP2003223704A (ja) * 2002-01-25 2003-08-08 Fujitsu Ltd 磁気ヘッドおよびデータ記録再生装置
CN1708800A (zh) * 2002-10-29 2005-12-14 皇家飞利浦电子股份有限公司 磁光器件
US7061716B2 (en) * 2003-01-30 2006-06-13 Headway Technologies, Inc. Thin-film magnetic head and method of manufacturing same
WO2005015556A1 (en) * 2003-08-08 2005-02-17 Koninklijke Philips Electronics N.V. Magnetic head for a magneto-optical device and magneto-optical device
EP1671324A1 (en) 2003-10-02 2006-06-21 Koninklijke Philips Electronics N.V. Control means and method of controlling a current through a coil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014254A (en) * 1988-05-09 1991-05-07 U.S. Philips Corporation Magneto-optical recording method and magneto-optical recording apparatus
US5402293A (en) * 1990-12-27 1995-03-28 Sony Electronics Inc. Magneto-optical head having a thin film coil recessed into a magnetic substrate
US5936814A (en) * 1996-06-03 1999-08-10 Seagate Technology, Inc. Magnetic recording head using a last insulator to obtain an adjustable take off angle
US5886959A (en) * 1997-04-18 1999-03-23 Read-Rite Corporation Thin-film electro-magnetic coil design for use in a flying magneto-optical head
US5903525A (en) * 1997-04-18 1999-05-11 Read-Rite Corporation Coil for use with magneto-optical head
US5831797A (en) * 1997-07-23 1998-11-03 Seagate Technology, Inc. Slider with mesa for optical disc data storage system
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
US6407884B1 (en) * 1998-04-28 2002-06-18 Terastor Corporation Optical head with solid immersion lens and varying cross section coil

Also Published As

Publication number Publication date
KR20020031104A (ko) 2002-04-26
CZ20014580A3 (cs) 2002-05-15
JP2003532249A (ja) 2003-10-28
AR028020A1 (es) 2003-04-23
US6628604B2 (en) 2003-09-30
EP1287524A1 (en) 2003-03-05
WO2001082299A1 (en) 2001-11-01
CN1366666A (zh) 2002-08-28
PL351481A1 (en) 2003-04-22
KR100781184B1 (ko) 2007-12-03
CN1327425C (zh) 2007-07-18
BR0105944A (pt) 2002-03-05
HUP0202054A2 (en) 2002-10-28
US20020012197A1 (en) 2002-01-31

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Legal Events

Date Code Title Description
FA92 Acknowledgement of application withdrawn (lack of supplementary materials submitted)

Effective date: 20050812