HK156896A - Optical head with flying lens - Google Patents
Optical head with flying lensInfo
- Publication number
- HK156896A HK156896A HK156896A HK156896A HK156896A HK 156896 A HK156896 A HK 156896A HK 156896 A HK156896 A HK 156896A HK 156896 A HK156896 A HK 156896A HK 156896 A HK156896 A HK 156896A
- Authority
- HK
- Hong Kong
- Prior art keywords
- optical head
- flying lens
- flying
- lens
- optical
- Prior art date
Links
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
- G11B11/10532—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
- G11B11/10532—Heads
- G11B11/10534—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording
- G11B11/10536—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording using thermic beams, e.g. lasers
-
- 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
- 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
- G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to 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 |
---|---|---|---|
US07/192,950 US5105408A (en) | 1988-05-12 | 1988-05-12 | Optical head with flying lens |
Publications (1)
Publication Number | Publication Date |
---|---|
HK156896A true HK156896A (en) | 1996-08-23 |
Family
ID=22711695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK156896A HK156896A (en) | 1988-05-12 | 1996-08-15 | Optical head with flying lens |
Country Status (5)
Country | Link |
---|---|
US (1) | US5105408A (xx) |
EP (1) | EP0341829B1 (xx) |
JP (1) | JPH0218720A (xx) |
DE (1) | DE68917200T2 (xx) |
HK (1) | HK156896A (xx) |
Families Citing this family (113)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5161134A (en) * | 1989-06-29 | 1992-11-03 | Digital Equipment Corporation | Method for increasing linear bit density in magneto-optical storage media |
JP2781625B2 (ja) * | 1989-12-13 | 1998-07-30 | 株式会社日立製作所 | 情報処理装置 |
US5392263A (en) | 1990-01-31 | 1995-02-21 | Sony Corporation | Magneto-optical disk system with specified thickness for protective layer on the disk relative to the numerical aperture of the objective lens |
JPH03225650A (ja) * | 1990-01-31 | 1991-10-04 | Sony Corp | 光ディスクシステム |
JP2861188B2 (ja) * | 1990-01-31 | 1999-02-24 | ソニー株式会社 | 光磁気記録再生装置 |
JPH0594628A (ja) * | 1991-04-30 | 1993-04-16 | Fuji Xerox Co Ltd | 光学的記録再生装置 |
US5838646A (en) | 1991-09-11 | 1998-11-17 | Sony Corporation | Optical disk having a protective layer of specified thickness relative to the numerical aperture of the objective lens |
US5910932A (en) * | 1991-09-11 | 1999-06-08 | Sony Corporation | Optical disk and optical disk system with numerical aperture of objective lens related to protective layer thickness of optical disk |
US5202880A (en) * | 1992-03-06 | 1993-04-13 | Digital Equipment Corporation | Double-sided magneto-optical media for a multi-disk storage device |
US5470627A (en) * | 1992-03-06 | 1995-11-28 | Quantum Corporation | Double-sided optical media for a disk storage device |
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US5563871A (en) * | 1993-11-09 | 1996-10-08 | International Business Machines Corporation. | Rotary actuator with a magnetic bias bearing configuration for rotating an optical element in an optical data storage system |
US5497359A (en) * | 1994-08-30 | 1996-03-05 | National Business Machines Corporation | Optical disk data storage system with radiation-transparent air-bearing slider |
US5914915A (en) * | 1995-02-03 | 1999-06-22 | Sony Corporation | Magneto-optical disk system having an objective lens with a numerical aperture related to the thickness of the protective layer |
US5724134A (en) * | 1995-11-13 | 1998-03-03 | Zygo Corporation | Calibration standard for optical gap measuring tools |
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US6125008A (en) * | 1996-04-15 | 2000-09-26 | Digital Papyrus Corporation | Flying head positioner having rotational fine positioning and adjustable actuator load |
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US5793584A (en) * | 1996-12-13 | 1998-08-11 | Terastor Corporation | Device and method for electrostatically cleaning a disk mounted in a removable cartridge |
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US6270696B1 (en) | 1996-06-03 | 2001-08-07 | Terastor Corporation | Method of fabricating and integrating an optical assembly into a flying head |
US6243350B1 (en) | 1996-05-01 | 2001-06-05 | Terastor Corporation | Optical storage systems with flying optical heads for near-field recording and reading |
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KR100356101B1 (ko) * | 1996-12-04 | 2003-01-14 | 우릴크 로보우 | 육류 또는 야채 또는 농산물 및 사료를 소독 또는 살균하기 위한 방법 및 장치. |
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KR100842898B1 (ko) * | 2007-01-29 | 2008-07-03 | 삼성전자주식회사 | 열 보조 자기 기록방식에서의 광 커플링 구조 |
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KR102458722B1 (ko) | 2018-02-08 | 2022-10-26 | 프리시젼바이오 주식회사 | 유체 분석 장치 및 유체 분석 장치의 제어 방법 |
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JPS5923014B2 (ja) * | 1979-03-07 | 1984-05-30 | 日本放送協会 | 光磁気記録再生方法 |
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EP0112402B1 (en) * | 1982-12-27 | 1987-08-05 | International Business Machines Corporation | Light waveguide with a submicron aperture, method for manufacturing the waveguide and application of the waveguide in an optical memory |
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-
1988
- 1988-05-12 US US07/192,950 patent/US5105408A/en not_active Expired - Lifetime
-
1989
- 1989-04-11 DE DE68917200T patent/DE68917200T2/de not_active Expired - Fee Related
- 1989-04-11 EP EP89303552A patent/EP0341829B1/en not_active Expired - Lifetime
- 1989-05-12 JP JP1120237A patent/JPH0218720A/ja active Pending
-
1996
- 1996-08-15 HK HK156896A patent/HK156896A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE68917200D1 (de) | 1994-09-08 |
DE68917200T2 (de) | 1995-04-20 |
EP0341829A2 (en) | 1989-11-15 |
EP0341829A3 (en) | 1991-10-02 |
JPH0218720A (ja) | 1990-01-23 |
US5105408A (en) | 1992-04-14 |
EP0341829B1 (en) | 1994-08-03 |
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Legal Events
Date | Code | Title | Description |
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PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |