DE69022318D1 - Fliegender optischer Kopf. - Google Patents

Fliegender optischer Kopf.

Info

Publication number
DE69022318D1
DE69022318D1 DE69022318T DE69022318T DE69022318D1 DE 69022318 D1 DE69022318 D1 DE 69022318D1 DE 69022318 T DE69022318 T DE 69022318T DE 69022318 T DE69022318 T DE 69022318T DE 69022318 D1 DE69022318 D1 DE 69022318D1
Authority
DE
Germany
Prior art keywords
optical head
flying optical
flying
head
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
Application number
DE69022318T
Other languages
English (en)
Other versions
DE69022318T2 (de
Inventor
Isao Satoh
Sadao Mizuno
Noboru Yamada
Yasuhiro Gotoh
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP1186444A external-priority patent/JPH0352127A/ja
Priority claimed from JP1186436A external-priority patent/JPH0352133A/ja
Priority claimed from JP1190999A external-priority patent/JPH0354738A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69022318D1 publication Critical patent/DE69022318D1/de
Publication of DE69022318T2 publication Critical patent/DE69022318T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition 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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1384—Fibre optics

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69022318T 1989-07-19 1990-07-10 Fliegender optischer Kopf. Expired - Fee Related DE69022318T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1186444A JPH0352127A (ja) 1989-07-19 1989-07-19 光ヘッド
JP1186436A JPH0352133A (ja) 1989-07-19 1989-07-19 光ヘッド
JP1190999A JPH0354738A (ja) 1989-07-24 1989-07-24 光記録再生装置

Publications (2)

Publication Number Publication Date
DE69022318D1 true DE69022318D1 (de) 1995-10-19
DE69022318T2 DE69022318T2 (de) 1996-05-15

Family

ID=27325745

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69022318T Expired - Fee Related DE69022318T2 (de) 1989-07-19 1990-07-10 Fliegender optischer Kopf.

Country Status (3)

Country Link
EP (1) EP0409468B1 (de)
KR (1) KR940003550B1 (de)
DE (1) DE69022318T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351229A (en) * 1991-12-24 1994-09-27 International Business Machines Corporation Tribo-attractive contact slider for an optical read/write system
JPH05234117A (ja) * 1991-12-24 1993-09-10 Internatl Business Mach Corp <Ibm> 光ヘッド装置及び光ディスク記憶システム
US5497359A (en) * 1994-08-30 1996-03-05 National Business Machines Corporation Optical disk data storage system with radiation-transparent air-bearing slider
US5729393A (en) * 1996-04-03 1998-03-17 Digital Papyrus Corporation Optical flying head with solid immersion lens having raised central surface facing medium
US6178157B1 (en) 1996-04-15 2001-01-23 Digital Papyrus Corporation Flying head with adjustable actuator load
US6125008A (en) * 1996-04-15 2000-09-26 Digital Papyrus Corporation Flying head positioner having rotational fine positioning and adjustable actuator load
WO1997039446A1 (en) * 1996-04-15 1997-10-23 Digital Papyrus Technologies Optical disk drive with a plurality of optical heads of different types
WO1997039445A1 (en) * 1996-04-15 1997-10-23 Digital Papyrus Technologies Method and apparatus for detecting the minimum glide height of a flying head and for focusing a lens carried on a flying head
US6564009B2 (en) * 1997-05-19 2003-05-13 Sony Corporation Apparatus for recording and/or reproducing data onto and/or from an optical disk and method thereof
TW579435B (en) 1999-08-02 2004-03-11 Zetetic Inst Scanning interferometric near-field confocal microscopy
AU2001281362A1 (en) 2000-07-27 2002-02-13 Zetetic Institute Scanning interferometric near-field confocal microscopy with background amplitude reduction and compensation
WO2002010828A2 (en) 2000-07-27 2002-02-07 Zetetic Institute Control of position and orientation of sub-wavelength aperture array in near-field microscopy
EP1303778A2 (de) 2000-07-27 2003-04-23 Zetetic Institute Differentiell-interferometrische konfokale nahfeld-rastermikroskopie
US6847029B2 (en) 2000-07-27 2005-01-25 Zetetic Institute Multiple-source arrays with optical transmission enhanced by resonant cavities
KR100772361B1 (ko) * 2001-06-08 2007-11-01 삼성전자주식회사 광픽업 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003059A (en) * 1974-02-07 1977-01-11 Canon Kabushiki Kaisha Optical recorder having focus controlling means
US3941927A (en) * 1974-11-11 1976-03-02 Battelle Development Corporation Optical fiber deflection device
US4475179A (en) * 1982-06-30 1984-10-02 Eastman Kodak Company Optical disc write/read methods and apparatus with improved focus and tracking control
JPS63108576A (ja) * 1986-10-27 1988-05-13 Nec Corp 浮動ヘツドのロ−デイング機構
EP0341820A3 (de) * 1988-05-12 1991-09-25 Digital Equipment Corporation Optisches Kopfsystem von geringer Masse
DE3828145A1 (de) * 1988-08-19 1990-02-22 Philips Patentverwaltung Vorrichtung zum optischen einschreiben/auslesen von optischen speichermedien

Also Published As

Publication number Publication date
EP0409468A2 (de) 1991-01-23
EP0409468B1 (de) 1995-09-13
KR940003550B1 (ko) 1994-04-23
KR910003599A (ko) 1991-02-27
DE69022318T2 (de) 1996-05-15
EP0409468A3 (en) 1992-04-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee