JP2000517090A - 光ビームの位置決め - Google Patents

光ビームの位置決め

Info

Publication number
JP2000517090A
JP2000517090A JP10508083A JP50808398A JP2000517090A JP 2000517090 A JP2000517090 A JP 2000517090A JP 10508083 A JP10508083 A JP 10508083A JP 50808398 A JP50808398 A JP 50808398A JP 2000517090 A JP2000517090 A JP 2000517090A
Authority
JP
Japan
Prior art keywords
light beam
optical
arm
galvanometer
drive head
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.)
Pending
Application number
JP10508083A
Other languages
English (en)
Japanese (ja)
Inventor
ジャイン,アミト
ナイト,ゴードン,アール.
Original Assignee
テラスター コーポレイション
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 テラスター コーポレイション filed Critical テラスター コーポレイション
Publication of JP2000517090A publication Critical patent/JP2000517090A/ja
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857Arrangements for mechanically moving the whole head
    • G11B7/08576Swinging-arm positioners
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122Flying-type heads, e.g. analogous to Winchester type in magnetic recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1362Mirrors
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002Special dispositions or recording techniques
    • G11B2005/0005Arrangements, methods or circuits
    • G11B2005/0021Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08547Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • G11B7/08564Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP10508083A 1996-08-05 1997-07-31 光ビームの位置決め Pending JP2000517090A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69258196A 1996-08-05 1996-08-05
US08/692,581 1996-08-05
PCT/US1997/013552 WO1998006095A1 (en) 1996-08-05 1997-07-31 Positioning an optical beam

Publications (1)

Publication Number Publication Date
JP2000517090A true JP2000517090A (ja) 2000-12-19

Family

ID=24781157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10508083A Pending JP2000517090A (ja) 1996-08-05 1997-07-31 光ビームの位置決め

Country Status (6)

Country Link
EP (1) EP0916133A1 (id)
JP (1) JP2000517090A (id)
AU (1) AU3824297A (id)
ID (1) ID17977A (id)
TW (1) TW381254B (id)
WO (1) WO1998006095A1 (id)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6081499A (en) * 1997-05-05 2000-06-27 Seagate Technology, Inc. Magneto-optical data storage system having an optical-processing flying head
US6076256A (en) * 1997-04-18 2000-06-20 Seagate Technology, Inc. Method for manufacturing magneto-optical data storage system
FR2765380A1 (fr) 1997-06-26 1999-01-01 Asahi Optical Co Ltd Systeme optique pour lecteur de disque optique
DE19828689A1 (de) 1997-06-27 1999-01-07 Asahi Optical Co Ltd Spiegelgalvanometereinheit
FR2765351B1 (fr) 1997-06-27 2005-04-22 Asahi Optical Co Ltd Systeme de detection de rotation pour miroir galvanique
US6424068B2 (en) 1997-06-27 2002-07-23 Asahi Kogaku Kogyo Kabushiki Kaisha Galvano mirror unit
JPH1186328A (ja) 1997-09-12 1999-03-30 Asahi Optical Co Ltd 光学式情報記録再生装置
US6404715B1 (en) 1997-10-06 2002-06-11 Asahi Kogaku Kogyo Kabushiki Kaisha Detecting system for detecting rotation angle of deflection mirror
US6344917B1 (en) 1997-10-17 2002-02-05 Asahi Kogaku Kogyo Kabushiki Kaisha Galvano mirror unit
US6421156B1 (en) 1997-10-17 2002-07-16 Asahi Kogaku Kogyo Kabushiki Kaisha Galvano mirror unit
US6404485B1 (en) 1997-10-24 2002-06-11 Asahi Kogaku Kogyo Kabushiki Kaisha Rotation amount detecting system of deflection mirror for optical disc drive
US6292447B1 (en) 1997-10-24 2001-09-18 Asahi Kogaku Kogyo Kabushiki Kaisha Head for optical disc drive
US6324141B2 (en) 1997-10-24 2001-11-27 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system for optical disc drive
FR2770674B1 (fr) 1997-10-31 2000-09-29 Asahi Optical Co Ltd Systeme optique pour unite de disque optique
US6341106B1 (en) 1997-11-05 2002-01-22 Asahi Kogaku Kogyo Kabushiki Kaisha Optical disc drive
US6278682B1 (en) 1997-11-08 2001-08-21 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system for optical disc drive
JPH11144401A (ja) 1997-11-13 1999-05-28 Teac Corp 記録媒体記録再生装置
US6650604B1 (en) 1997-12-27 2003-11-18 Pentax Corporation Optical head of disk drive
US6407975B1 (en) 1998-03-16 2002-06-18 Asahi Kogaku Kogyo Kabushiki Kaisha Of Tokyo Optical disk drive
KR100343153B1 (ko) * 1998-03-30 2002-09-18 삼성전자 주식회사 광기록재생장치
US6590853B1 (en) 1998-03-30 2003-07-08 Samsung Electronics Co., Ltd. Swing arm driving type optical recording/reproducing apparatus
US6200882B1 (en) 1998-06-10 2001-03-13 Seagate Technology, Inc. Method for processing a plurality of micro-machined mirror assemblies

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995025A (en) * 1986-10-06 1991-02-19 Schulze Dieter M Spherical pivoting actuator for read/record head
US5432763A (en) * 1993-03-15 1995-07-11 Hewlett-Packard Company Subminiature rotary actuator optical head
WO1995002243A1 (en) * 1993-07-07 1995-01-19 Digital Equipment Corporation Rotary actuator for optical disk drive

Also Published As

Publication number Publication date
EP0916133A1 (en) 1999-05-19
TW381254B (en) 2000-02-01
AU3824297A (en) 1998-02-25
WO1998006095A1 (en) 1998-02-12
ID17977A (id) 1998-02-12

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