AU3824297A - Positioning an optical beam - Google Patents

Positioning an optical beam

Info

Publication number
AU3824297A
AU3824297A AU38242/97A AU3824297A AU3824297A AU 3824297 A AU3824297 A AU 3824297A AU 38242/97 A AU38242/97 A AU 38242/97A AU 3824297 A AU3824297 A AU 3824297A AU 3824297 A AU3824297 A AU 3824297A
Authority
AU
Australia
Prior art keywords
positioning
optical beam
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.)
Abandoned
Application number
AU38242/97A
Inventor
Amit Jain
Gordon R. Knight
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TeraStor Corp
Original Assignee
TeraStor Corp
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 TeraStor Corp filed Critical TeraStor Corp
Publication of AU3824297A publication Critical patent/AU3824297A/en
Abandoned 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)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
AU38242/97A 1996-08-05 1997-07-31 Positioning an optical beam Abandoned AU3824297A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69258196A 1996-08-05 1996-08-05
US08692581 1996-08-05
PCT/US1997/013552 WO1998006095A1 (en) 1996-08-05 1997-07-31 Positioning an optical beam

Publications (1)

Publication Number Publication Date
AU3824297A true AU3824297A (en) 1998-02-25

Family

ID=24781157

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38242/97A Abandoned AU3824297A (en) 1996-08-05 1997-07-31 Positioning an optical beam

Country Status (6)

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

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
DE19828678A1 (en) 1997-06-26 1999-01-07 Asahi Optical Co Ltd Optical system for a drive for optical storage disks
US6424068B2 (en) 1997-06-27 2002-07-23 Asahi Kogaku Kogyo Kabushiki Kaisha Galvano mirror unit
DE19828679B4 (en) * 1997-06-27 2004-07-08 Pentax Corp. Galvano system
DE19828689A1 (en) 1997-06-27 1999-01-07 Asahi Optical Co Ltd Mirror galvanometer unit
JPH1186328A (en) 1997-09-12 1999-03-30 Asahi Optical Co Ltd Optical information recording and reproducing device
US6404715B1 (en) 1997-10-06 2002-06-11 Asahi Kogaku Kogyo Kabushiki Kaisha Detecting system for detecting rotation angle of deflection mirror
US6421156B1 (en) 1997-10-17 2002-07-16 Asahi Kogaku Kogyo Kabushiki Kaisha Galvano mirror unit
US6344917B1 (en) 1997-10-17 2002-02-05 Asahi Kogaku Kogyo Kabushiki Kaisha Galvano mirror unit
US6324141B2 (en) 1997-10-24 2001-11-27 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system for optical disc drive
US6292447B1 (en) 1997-10-24 2001-09-18 Asahi Kogaku Kogyo Kabushiki Kaisha Head for optical disc drive
US6404485B1 (en) 1997-10-24 2002-06-11 Asahi Kogaku Kogyo Kabushiki Kaisha Rotation amount detecting system of deflection mirror for optical disc drive
US6333910B1 (en) 1997-10-31 2001-12-25 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system for optical disc drive
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 (en) 1997-11-13 1999-05-28 Teac Corp Recording and reproduction apparatus for storage medium
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
US6590853B1 (en) 1998-03-30 2003-07-08 Samsung Electronics Co., Ltd. Swing arm driving type optical recording/reproducing apparatus
KR100343153B1 (en) * 1998-03-30 2002-09-18 삼성전자 주식회사 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
ID17977A (en) 1998-02-12
TW381254B (en) 2000-02-01
WO1998006095A1 (en) 1998-02-12
JP2000517090A (en) 2000-12-19

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