DE69224606T2 - Optisches Plattenspeichersystem sowie Kopf dafür - Google Patents
Optisches Plattenspeichersystem sowie Kopf dafürInfo
- Publication number
- DE69224606T2 DE69224606T2 DE69224606T DE69224606T DE69224606T2 DE 69224606 T2 DE69224606 T2 DE 69224606T2 DE 69224606 T DE69224606 T DE 69224606T DE 69224606 T DE69224606 T DE 69224606T DE 69224606 T2 DE69224606 T2 DE 69224606T2
- Authority
- DE
- Germany
- Prior art keywords
- optical
- disk
- support means
- slider
- focusing
- 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
Links
- 230000003287 optical effect Effects 0.000 title claims description 96
- 239000000463 material Substances 0.000 claims description 21
- 230000033001 locomotion Effects 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 229910052594 sapphire Inorganic materials 0.000 claims description 2
- 239000010980 sapphire Substances 0.000 claims description 2
- 239000002178 crystalline material Substances 0.000 claims 2
- 239000002344 surface layer Substances 0.000 claims 2
- 239000000835 fiber Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 36
- 239000000758 substrate Substances 0.000 description 8
- 239000011253 protective coating Substances 0.000 description 7
- 239000010409 thin film Substances 0.000 description 7
- 239000000725 suspension Substances 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229910003481 amorphous carbon Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005381 magnetic domain Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910002370 SrTiO3 Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/1058—Flying heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10552—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base
- G11B11/10554—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base the transducers being disposed on the same side of the carrier
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/814,722 US5351229A (en) | 1991-12-24 | 1991-12-24 | Tribo-attractive contact slider for an optical read/write system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69224606D1 DE69224606D1 (de) | 1998-04-09 |
| DE69224606T2 true DE69224606T2 (de) | 1998-11-05 |
Family
ID=25215828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69224606T Expired - Fee Related DE69224606T2 (de) | 1991-12-24 | 1992-12-15 | Optisches Plattenspeichersystem sowie Kopf dafür |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5351229A (enExample) |
| EP (1) | EP0549237B1 (enExample) |
| JP (1) | JP2614389B2 (enExample) |
| KR (1) | KR960008601B1 (enExample) |
| CN (1) | CN1050433C (enExample) |
| DE (1) | DE69224606T2 (enExample) |
| MY (1) | MY114232A (enExample) |
| TW (1) | TW238385B (enExample) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5305165A (en) * | 1991-12-24 | 1994-04-19 | International Business Machines Corporation | Tribo-attractive contact data storage system |
| US6835523B1 (en) * | 1993-05-09 | 2004-12-28 | Semiconductor Energy Laboratory Co., Ltd. | Apparatus for fabricating coating and method of fabricating the coating |
| US6183816B1 (en) | 1993-07-20 | 2001-02-06 | Semiconductor Energy Laboratory Co., Ltd. | Method of fabricating the coating |
| JPH08221790A (ja) * | 1995-02-15 | 1996-08-30 | Sony Corp | 光学ピックアップ装置 |
| US5617273A (en) * | 1995-06-07 | 1997-04-01 | International Business Machines Corporation | Thin film slider with protruding R/W element formed by chemical-mechanical polishing |
| US6749346B1 (en) | 1995-11-07 | 2004-06-15 | The Board Of Trustees Of The Leland Stanford Junior University | Miniature scanning confocal microscope |
| US5907425A (en) * | 1995-12-19 | 1999-05-25 | The Board Of Trustees Of The Leland Stanford Junior University | Miniature scanning confocal microscope |
| US6081499A (en) * | 1997-05-05 | 2000-06-27 | Seagate Technology, Inc. | Magneto-optical data storage system having an optical-processing flying head |
| US6034938A (en) * | 1996-07-30 | 2000-03-07 | Seagate Technology, Inc. | Data storage system having an optical processing flying head |
| US6178150B1 (en) | 1996-07-30 | 2001-01-23 | Seagate Technology Inc. | Offset optics for use with optical heads |
| US6850475B1 (en) | 1996-07-30 | 2005-02-01 | Seagate Technology, Llc | Single frequency laser source for optical data storage system |
| US6058094A (en) * | 1996-07-30 | 2000-05-02 | Seagate Technology Inc. | Flying magneto-optical head with a steerable mirror |
| US6061323A (en) * | 1996-07-30 | 2000-05-09 | Seagate Technology, Inc. | Data storage system having an improved surface micro-machined mirror |
| US6044056A (en) | 1996-07-30 | 2000-03-28 | Seagate Technology, Inc. | Flying optical head with dynamic mirror |
| GB2323676B (en) * | 1997-03-26 | 1999-03-17 | Samsung Electronics Co Ltd | Master disk exposure device using optical fiber |
| US6327241B1 (en) * | 1997-04-08 | 2001-12-04 | Seagate Technology Llc | Optical data storage system with lens mount |
| US6167016A (en) * | 1997-04-11 | 2000-12-26 | Aerial Imaging Corporation | Optical head with a diffractive lens for focusing a laser beam |
| US6091577A (en) * | 1997-04-18 | 2000-07-18 | Seagate Technology, Inc. | Adjustable head loading apparatus |
| KR100554068B1 (ko) * | 1998-02-12 | 2006-02-22 | 삼성전자주식회사 | 니어필드형 광학적 저장매체 및 이를 위한 광학적 데이터저장시스템 |
| JP2000149476A (ja) * | 1998-11-09 | 2000-05-30 | Fujitsu Ltd | 記録再生装置 |
| DE69929456T2 (de) | 1998-11-09 | 2006-07-20 | Seiko Instruments Inc. | Nahfeldabtastkopf und herstellungsverfahren |
| US6324130B1 (en) | 1999-01-21 | 2001-11-27 | Maxoptix Corporation | Disc drive suspension and head |
| 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 |
| JP4020233B2 (ja) * | 1999-08-25 | 2007-12-12 | セイコーインスツル株式会社 | 近視野光ヘッドとその製造方法 |
| JP4485012B2 (ja) * | 1999-08-30 | 2010-06-16 | セイコーインスツル株式会社 | 光ヘッド |
| US20010015939A1 (en) * | 2000-02-08 | 2001-08-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective lens for optical pick-up |
| KR100618992B1 (ko) * | 2000-04-03 | 2006-09-04 | 삼성전자주식회사 | 광기록 재생장치 |
| JP2002005810A (ja) * | 2000-06-16 | 2002-01-09 | Canon Inc | プローブ及びその製造方法、表面観察装置、露光装置、情報処理装置 |
| US7102992B1 (en) * | 2000-07-27 | 2006-09-05 | Termstar Corporation | Contact optical head for data storage |
| US6631113B1 (en) * | 2000-10-04 | 2003-10-07 | Dphi Acquisitions, Inc. | Continuous flexible connection method for miniature optical head |
| EP1202267A1 (en) * | 2000-10-24 | 2002-05-02 | Maxoptix Corporation | Method and apparatus for reading and writing magneto-optical media |
| KR100438567B1 (ko) * | 2000-12-14 | 2004-07-02 | 엘지전자 주식회사 | 근접장 광기록장치 |
| JP4267834B2 (ja) * | 2001-02-16 | 2009-05-27 | セイコーインスツル株式会社 | 情報記録再生装置 |
| US7345840B2 (en) * | 2004-05-26 | 2008-03-18 | Seagate Technology Llc | Light delivery technique for heat assisted magnetic recording head |
| US7295302B2 (en) * | 2004-10-28 | 2007-11-13 | Xerox Corporation | Use of laser reflection pickup unit for detection of small particles on a relatively smooth and reflective surface |
| US20070002694A1 (en) * | 2005-07-02 | 2007-01-04 | Taugher Lawrence N | Guiding optical beam to optically writable surface |
| US8320230B2 (en) | 2007-05-17 | 2012-11-27 | Mediatek Inc. | Processing circuits and methods for optical data |
| US8599654B2 (en) * | 2009-09-30 | 2013-12-03 | Seiko Instruments Inc. | Head gimbal assembly using near-field light and information recording and reproducing apparatus including the same |
| CN101921950B (zh) | 2010-09-02 | 2011-12-14 | 攀钢集团有限公司 | 用于高速和准高速铁路的钢轨及其制造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5136972A (enExample) * | 1974-09-24 | 1976-03-29 | Suwa Seikosha Kk | |
| US4819091A (en) * | 1987-04-30 | 1989-04-04 | International Business Machines Corporation | High speed magnetic disk contact recording system |
| DE69022318T2 (de) * | 1989-07-19 | 1996-05-15 | Matsushita Electric Ind Co Ltd | Fliegender optischer Kopf. |
| US5124961A (en) * | 1989-12-28 | 1992-06-23 | Fuji Xerox Co., Ltd. | Floating head for use with a recording apparatus of magneto-optical memory device |
| US5231613A (en) * | 1990-01-19 | 1993-07-27 | Sharp Kabushiki Kaisha | Magneto-optical recording device |
| 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 |
-
1991
- 1991-12-24 US US07/814,722 patent/US5351229A/en not_active Expired - Fee Related
-
1992
- 1992-11-17 JP JP4306693A patent/JP2614389B2/ja not_active Expired - Lifetime
- 1992-11-20 MY MYPI92002126A patent/MY114232A/en unknown
- 1992-12-07 KR KR1019920023470A patent/KR960008601B1/ko not_active Expired - Fee Related
- 1992-12-09 CN CN92113709A patent/CN1050433C/zh not_active Expired - Fee Related
- 1992-12-15 EP EP92311429A patent/EP0549237B1/en not_active Expired - Lifetime
- 1992-12-15 DE DE69224606T patent/DE69224606T2/de not_active Expired - Fee Related
-
1993
- 1993-01-11 TW TW082100130A patent/TW238385B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| KR930014351A (ko) | 1993-07-23 |
| MY114232A (en) | 2002-09-30 |
| KR960008601B1 (ko) | 1996-06-28 |
| EP0549237A3 (en) | 1993-09-15 |
| CN1050433C (zh) | 2000-03-15 |
| EP0549237A2 (en) | 1993-06-30 |
| TW238385B (enExample) | 1995-01-11 |
| CN1074058A (zh) | 1993-07-07 |
| DE69224606D1 (de) | 1998-04-09 |
| EP0549237B1 (en) | 1998-03-04 |
| JPH05234118A (ja) | 1993-09-10 |
| JP2614389B2 (ja) | 1997-05-28 |
| US5351229A (en) | 1994-09-27 |
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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 |