DE60023101D1 - Optischer kopf - Google Patents

Optischer kopf

Info

Publication number
DE60023101D1
DE60023101D1 DE60023101T DE60023101T DE60023101D1 DE 60023101 D1 DE60023101 D1 DE 60023101D1 DE 60023101 T DE60023101 T DE 60023101T DE 60023101 T DE60023101 T DE 60023101T DE 60023101 D1 DE60023101 D1 DE 60023101D1
Authority
DE
Germany
Prior art keywords
optical head
optical
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
DE60023101T
Other languages
English (en)
Other versions
DE60023101T2 (de
Inventor
Kenji Kato
Manabu Oumi
Yasuyuki Mitsuoka
Nobuyuki Kasama
Takashi Niwa
Susumu Ichihara
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
Publication of DE60023101D1 publication Critical patent/DE60023101D1/de
Application granted granted Critical
Publication of DE60023101T2 publication Critical patent/DE60023101T2/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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/139—Numerical aperture control means
    • 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
    • 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
    • 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
    • G11B7/08576—Swinging-arm positioners

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
DE60023101T 1999-08-30 2000-08-23 Optischer kopf Expired - Lifetime DE60023101T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP24291699 1999-08-30
JP24291699 1999-08-30
JP2000127325A JP4485012B2 (ja) 1999-08-30 2000-04-27 光ヘッド
JP2000127325 2000-04-27
PCT/JP2000/005668 WO2001016949A1 (fr) 1999-08-30 2000-08-23 Tete optique

Publications (2)

Publication Number Publication Date
DE60023101D1 true DE60023101D1 (de) 2006-02-23
DE60023101T2 DE60023101T2 (de) 2006-05-11

Family

ID=26535980

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60023101T Expired - Lifetime DE60023101T2 (de) 1999-08-30 2000-08-23 Optischer kopf

Country Status (5)

Country Link
US (1) US6567373B1 (de)
EP (1) EP1126449B1 (de)
JP (1) JP4485012B2 (de)
DE (1) DE60023101T2 (de)
WO (1) WO2001016949A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000028536A1 (fr) * 1998-11-09 2000-05-18 Seiko Instruments Inc. Tete optique a champ proche et procede de production associe
US7069569B2 (en) * 2000-02-01 2006-06-27 Research Investment Network, Inc. Near-field optical head system with integrated slider and laser
JP4482254B2 (ja) * 2001-09-27 2010-06-16 セイコーインスツル株式会社 光ヘッド
CN1322501C (zh) * 2001-10-18 2007-06-20 皇家飞利浦电子股份有限公司 光学数据写/读装置的滑动器和包含这种滑动器的装置
JP4325172B2 (ja) * 2002-11-01 2009-09-02 株式会社日立製作所 近接場光発生プローブ及び近接場光発生装置
WO2004088650A1 (ja) * 2003-03-28 2004-10-14 Fujitsu Limited 光照射ヘッドおよび情報記憶装置
JP4482485B2 (ja) * 2005-05-18 2010-06-16 セイコーインスツル株式会社 ヘッドモジュール
US7272041B2 (en) * 2005-06-30 2007-09-18 Intel Corporation Memory array with pseudo single bit memory cell and method
JP4565452B2 (ja) * 2006-07-27 2010-10-20 セイコーインスツル株式会社 ヘッドジンバル機構及び情報記録再生装置
US8169743B2 (en) * 2007-07-20 2012-05-01 Hitachi Global Storage Technologies, Netherlands B.V. Minimizing slider vibration effects on a magnetic transducer
JP2009093774A (ja) * 2007-10-12 2009-04-30 Fujitsu Ltd ヘッドスライダ
US8325566B2 (en) * 2009-03-19 2012-12-04 Tdk Corporation Thermally-assisted magnetic recording head having a light source at least inclined from an opposed-to-medium surface
US8194509B2 (en) * 2009-07-30 2012-06-05 Tdk Corporation Thermally-assisted magnetic recording head comprising light source with photonic-band layer
US8654617B2 (en) 2012-03-21 2014-02-18 Tdk Corporation Thermally-assisted magnetic recording head with optically isolating waveguide, head gimbal assembly, head arm assembly, magnetic disk unit, and light transmission unit

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0573980A (ja) * 1991-09-12 1993-03-26 Ricoh Co Ltd 光デイスクドライブ装置の光ヘツド
US5351229A (en) * 1991-12-24 1994-09-27 International Business Machines Corporation Tribo-attractive contact slider for an optical read/write system
JPH05342789A (ja) * 1992-06-10 1993-12-24 Sony Corp 浮上型磁気ヘッド装置
JPH0845041A (ja) * 1994-07-29 1996-02-16 Sony Corp 浮上型磁気ヘッド
KR100230242B1 (ko) * 1994-12-26 1999-11-15 윤종용 고밀도 광기록방법 및 그 장치
WO1997039446A1 (en) * 1996-04-15 1997-10-23 Digital Papyrus Technologies Optical disk drive with a plurality of optical heads of different types
US5850375A (en) * 1996-07-30 1998-12-15 Seagate Technology, Inc. System and method using optical fibers in a data storage and retrieval system
JP2950266B2 (ja) * 1996-12-20 1999-09-20 日本電気株式会社 接触式磁気ヘッドスライダ
JP2002508871A (ja) * 1997-04-08 2002-03-19 シーゲイト テクノロジー エルエルシー ヘッドジンバル組立体用の改良した懸架装置設計
JPH11273124A (ja) * 1998-03-17 1999-10-08 Asahi Optical Co Ltd 光ディスク装置
JP4109744B2 (ja) * 1998-03-24 2008-07-02 セイコーインスツル株式会社 近視野光ヘッド
JP3895471B2 (ja) * 1998-07-17 2007-03-22 富士通株式会社 レンズアクチュエータ
WO2000028536A1 (fr) * 1998-11-09 2000-05-18 Seiko Instruments Inc. Tete optique a champ proche et procede de production associe
JP3400374B2 (ja) * 1999-01-27 2003-04-28 日本電信電話株式会社 光ピックアップ
JP2001028139A (ja) * 1999-07-14 2001-01-30 Tdk Corp 光プローブおよびその製造方法ならびに光ヘッド
JP4421742B2 (ja) * 1999-07-26 2010-02-24 セイコーインスツル株式会社 光ヘッド

Also Published As

Publication number Publication date
WO2001016949A1 (fr) 2001-03-08
EP1126449A4 (de) 2005-02-02
JP4485012B2 (ja) 2010-06-16
JP2001143316A (ja) 2001-05-25
EP1126449B1 (de) 2005-10-12
EP1126449A1 (de) 2001-08-22
US6567373B1 (en) 2003-05-20
DE60023101T2 (de) 2006-05-11

Similar Documents

Publication Publication Date Title
DE69902953D1 (de) Optischer Kopf
NO20000677L (no) Bronnhode
NO20035530D0 (no) Sementeringshode
DE69908745D1 (de) Laserbearbeitungskopf
DE60108460D1 (de) Kopfträgermechanismus
DE19811857B4 (de) Magnetoresistiver Kopf
DE60134301D1 (de) Bandkopfausrichtung
DE69830555D1 (de) Aufnahmekopf
FR2782038B1 (fr) Appui-tete
HK1070171A1 (en) Optical head
DE60044286D1 (de) Optischer kopf
DE60023101D1 (de) Optischer kopf
DE69932138D1 (de) Optischer Kopf
DE60003212D1 (de) Druckkopf
DE60135993D1 (de) Optischer kopf
NO996302D0 (no) Anordning ved tannboerstehode
FR2805501B1 (fr) Appui-tete
DE50010628D1 (de) Kolbenkopf
DE60044901D1 (de) Optischer abtastkopf
ATA74599A (de) Faseraufteilkopf
DE60039972D1 (de) Optischer abtastkopf
DE69726053D1 (de) Optischer Kopf
DE60032917D1 (de) Magnetoresistiver kopf
DE59909293D1 (de) Vorsatzoptik
ATE382429T1 (de) Brecherkopf

Legal Events

Date Code Title Description
8364 No opposition during term of opposition