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DE69941585D1 - Nahfeld Abtastkopf und Herstellungsverfahren dafür - Google Patents

Nahfeld Abtastkopf und Herstellungsverfahren dafür

Info

Publication number
DE69941585D1
DE69941585D1 DE69941585T DE69941585T DE69941585D1 DE 69941585 D1 DE69941585 D1 DE 69941585D1 DE 69941585 T DE69941585 T DE 69941585T DE 69941585 T DE69941585 T DE 69941585T DE 69941585 D1 DE69941585 D1 DE 69941585D1
Authority
DE
Germany
Prior art keywords
manufacturing
near field
method therefor
field sensing
sensing 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.)
Expired - Lifetime
Application number
DE69941585T
Other languages
English (en)
Inventor
Kenjo Kato
Takashi Niwa
Susumu Ichihara
Norio Chiba
Manabu Oumi
Nobuyuki Kasama
Yasuyuki Mitsuoka
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Application granted granted Critical
Publication of DE69941585D1 publication Critical patent/DE69941585D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
    • 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
    • G11B7/1362—Mirrors
    • 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
    • G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
    • 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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01Q—SCANNING-PROBE TECHNIQUES OR APPARATUS; APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBE MICROSCOPY [SPM]
    • G01Q80/00—Applications, other than SPM, of scanning-probe techniques
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
    • 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
    • G11B7/1372—Lenses
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Integrated Circuits (AREA)
  • Microscoopes, Condenser (AREA)
DE69941585T 1998-11-09 1999-11-04 Nahfeld Abtastkopf und Herstellungsverfahren dafür Expired - Lifetime DE69941585D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP31767198 1998-11-09
JP33169498 1998-11-20
JP808299 1999-01-14
JP21097399 1999-07-26

Publications (1)

Publication Number Publication Date
DE69941585D1 true DE69941585D1 (de) 2009-12-03

Family

ID=27454864

Family Applications (4)

Application Number Title Priority Date Filing Date
DE69941585T Expired - Lifetime DE69941585D1 (de) 1998-11-09 1999-11-04 Nahfeld Abtastkopf und Herstellungsverfahren dafür
DE69929456T Expired - Fee Related DE69929456T2 (de) 1998-11-09 1999-11-04 Nahfeldabtastkopf und herstellungsverfahren
DE69936475T Expired - Fee Related DE69936475T2 (de) 1998-11-09 1999-11-04 Nahfeld-Abtastkopf und Herstellungsverfahren dafür
DE69940577T Expired - Fee Related DE69940577D1 (de) 1998-11-09 1999-11-04 Nahfeld Abtastkopf und Herstellungsverfahren dafür

Family Applications After (3)

Application Number Title Priority Date Filing Date
DE69929456T Expired - Fee Related DE69929456T2 (de) 1998-11-09 1999-11-04 Nahfeldabtastkopf und herstellungsverfahren
DE69936475T Expired - Fee Related DE69936475T2 (de) 1998-11-09 1999-11-04 Nahfeld-Abtastkopf und Herstellungsverfahren dafür
DE69940577T Expired - Fee Related DE69940577D1 (de) 1998-11-09 1999-11-04 Nahfeld Abtastkopf und Herstellungsverfahren dafür

Country Status (5)

Country Link
US (3) US7599277B1 (de)
EP (4) EP1727138B1 (de)
JP (1) JP4094229B2 (de)
DE (4) DE69941585D1 (de)
WO (1) WO2000028536A1 (de)

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DE69936475T2 (de) 2008-03-06
US20100128578A1 (en) 2010-05-27
EP1580738B1 (de) 2007-07-04
DE69940577D1 (de) 2009-04-23
EP1061510A4 (de) 2004-05-19
EP1727138B1 (de) 2009-03-11
EP1061510B1 (de) 2006-01-11
EP1816642A1 (de) 2007-08-08
EP1727138A3 (de) 2007-01-10
EP1816642B1 (de) 2009-10-21
DE69929456D1 (de) 2006-04-06
JP4094229B2 (ja) 2008-06-04
EP1580738A1 (de) 2005-09-28
US8787128B2 (en) 2014-07-22
DE69929456T2 (de) 2006-07-20
US20130114389A1 (en) 2013-05-09
WO2000028536A1 (fr) 2000-05-18
EP1061510A1 (de) 2000-12-20
US8320228B2 (en) 2012-11-27
DE69936475D1 (de) 2007-08-16
EP1727138A2 (de) 2006-11-29

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