ID16848A - Kepala layang dengan lensa padat yang terbenam - Google Patents
Kepala layang dengan lensa padat yang terbenamInfo
- Publication number
- ID16848A ID16848A IDP971439A ID971439A ID16848A ID 16848 A ID16848 A ID 16848A ID P971439 A IDP971439 A ID P971439A ID 971439 A ID971439 A ID 971439A ID 16848 A ID16848 A ID 16848A
- Authority
- ID
- Indonesia
- Prior art keywords
- flags
- heads
- solid lens
- damaged solid
- damaged
- Prior art date
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
- G11B7/08—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
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11B11/1058—Flying heads
-
- 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
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- 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
- 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
-
- 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
- G11B11/10541—Heads for reproducing
- G11B11/10543—Heads for reproducing using optical beam of radiation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
- G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
-
- 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
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
-
- 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)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64151396A | 1996-05-01 | 1996-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
ID16848A true ID16848A (id) | 1997-11-13 |
Family
ID=24572704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IDP971439A ID16848A (id) | 1996-05-01 | 1997-04-30 | Kepala layang dengan lensa padat yang terbenam |
Country Status (3)
Country | Link |
---|---|
US (2) | US5881042A (id) |
ID (1) | ID16848A (id) |
TW (1) | TW409248B (id) |
Families Citing this family (73)
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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 |
US6181673B1 (en) * | 1996-07-30 | 2001-01-30 | Read-Rite Corporation | Slider design |
JP3434419B2 (ja) * | 1996-08-09 | 2003-08-11 | パイオニア株式会社 | 記録媒体とその読み出し装置 |
JPH10112036A (ja) * | 1996-10-07 | 1998-04-28 | Hitachi Maxell Ltd | 記録再生装置 |
JPH10188320A (ja) * | 1996-12-20 | 1998-07-21 | Sony Corp | 光ディスク記録再生装置および方法 |
US6081496A (en) * | 1996-12-26 | 2000-06-27 | Kabushiki Kaisha Toshiba | Objective lens and optical disk driving apparatus using the same |
US6101155A (en) * | 1997-08-14 | 2000-08-08 | Seagate Technology, Inc. | Lens for optical data storage system |
US6327241B1 (en) * | 1997-04-08 | 2001-12-04 | Seagate Technology Llc | Optical data storage system with lens mount |
US6192022B1 (en) * | 1997-05-23 | 2001-02-20 | U.S. Philips Corporation | Focusing a light beam more than thirty focal depths from the aplanatic point with a plano-convex lens |
EP0932899B1 (en) * | 1997-05-23 | 2003-08-20 | Koninklijke Philips Electronics N.V. | Device for optically scanning a record carrier |
US5870362A (en) * | 1997-06-20 | 1999-02-09 | Seagate Technology, Inc. | Slider for optical disc data storage system |
EP0911653B1 (de) * | 1997-09-05 | 2006-07-19 | Osram Opto Semiconductors GmbH | Immersionssystem |
JPH11102548A (ja) * | 1997-09-29 | 1999-04-13 | Matsushita Electric Ind Co Ltd | ディスク記録再生装置 |
US6922376B1 (en) * | 1997-10-17 | 2005-07-26 | Sony Corportion | Sil magneto-optic transducer having thin film magnetic coil and holded magnetic core |
US6445447B1 (en) * | 1997-10-27 | 2002-09-03 | Seagate Technology Llc | Near field optical certifying head for disc asperity mapping |
US6341106B1 (en) * | 1997-11-05 | 2002-01-22 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical disc drive |
KR19990045450A (ko) * | 1997-11-25 | 1999-06-25 | 가나이 쓰도무 | 정보의 광기록 또는 재생방법 및 광기록 또는 재생장치 |
US6563785B2 (en) | 1997-12-15 | 2003-05-13 | Seagate Technology Llc | Method of manufacturing rounded edge recording head |
US6324129B1 (en) | 1998-01-08 | 2001-11-27 | Seagate Technology Llc | Near field magneto-optical head having read and write pinhole apertures |
WO1999035644A1 (fr) * | 1998-01-12 | 1999-07-15 | Hitachi Maxell, Ltd. | Procede et dispositif de reproduction magneto-optique |
US6023378A (en) * | 1998-01-20 | 2000-02-08 | Seagate Technology, Inc. | Optical data storage system with improved head lens assembly |
US6104675A (en) * | 1998-02-20 | 2000-08-15 | Maxoptix Corporation | Method and apparatus for reading and writing magneto-optical media |
JP3478969B2 (ja) * | 1998-03-12 | 2003-12-15 | パイオニア株式会社 | 光ヘッド |
US6407884B1 (en) * | 1998-04-28 | 2002-06-18 | Terastor Corporation | Optical head with solid immersion lens and varying cross section coil |
US6046966A (en) * | 1998-06-10 | 2000-04-04 | Seagate Technology, Inc. | Magneto-optical data storage system |
WO1999065021A2 (en) * | 1998-06-10 | 1999-12-16 | Seagate Technology, Inc. | Magneto-optical data storage system |
US6377535B1 (en) * | 1998-07-06 | 2002-04-23 | Read-Rite Corporation | High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems |
US6229782B1 (en) * | 1998-07-06 | 2001-05-08 | Read-Rite Corporation | High numerical aperture optical focusing device for use in data storage systems |
JP3972484B2 (ja) * | 1998-09-16 | 2007-09-05 | コニカミノルタオプト株式会社 | 固浸レンズ |
JP2000113484A (ja) * | 1998-10-07 | 2000-04-21 | Sony Corp | 光学ヘッド用スライダ |
US6357098B1 (en) * | 1998-12-04 | 2002-03-19 | Terastor Corporation | Methods and devices for positioning and bonding elements to substrates |
US6522617B1 (en) | 1998-12-04 | 2003-02-18 | Terastor Corporation | Optical head with monolithic layer for optical storage |
US6545969B1 (en) | 1998-12-04 | 2003-04-08 | Terastor Corporation | Monolithic optical head |
US6324131B1 (en) * | 1999-01-04 | 2001-11-27 | Seagate Technology Llc | Low glide magneto-optical recording medium |
JP4211111B2 (ja) * | 1999-01-19 | 2009-01-21 | コニカミノルタオプト株式会社 | 光ヘッド |
US6324130B1 (en) | 1999-01-21 | 2001-11-27 | Maxoptix Corporation | Disc drive suspension and head |
US6130864A (en) * | 1999-03-04 | 2000-10-10 | Terastor Corporation | Method and apparatus for generating magnetic field for magneto-optic recording system |
US6466525B1 (en) | 1999-03-09 | 2002-10-15 | Seagate Technology Llc | Optical disc data storage system |
US6473383B1 (en) | 1999-03-09 | 2002-10-29 | Seagate Technology, Inc. | Single source optical disc data storage system |
US6307832B1 (en) | 1999-05-04 | 2001-10-23 | Terastor Corporation | Optical storage system with head cleaning mechanism based on a position-controllable optical interfacing surface in an optical head |
EP1184861B1 (en) * | 1999-05-31 | 2009-07-15 | Fujitsu Limited | Recording head, method of manufacturing recording head, and information recording device |
EP1196792A4 (en) * | 1999-06-21 | 2008-08-27 | Univ Boston | TECHNIQUES FOR HIGH-IMPROVED IMAGING UNDER SURFACES WITH NUMERICAL APERTURE RAISING LENSES (NAIL) |
US6181485B1 (en) | 1999-06-23 | 2001-01-30 | Read-Rite Corporation | High numerical aperture optical focusing device for use in data storage systems |
KR100544174B1 (ko) * | 1999-06-24 | 2006-01-23 | 삼성전자주식회사 | 광자기 기록재생장치의 광자기헤드 및 그 제조방법 |
US6778471B1 (en) * | 1999-07-22 | 2004-08-17 | Hitachi, Ltd. | Magnetic recording device |
US6507540B1 (en) * | 1999-08-31 | 2003-01-14 | Terastor Corporation | Hybrid optical head for data storage |
US6513228B1 (en) * | 2000-01-05 | 2003-02-04 | Seagate Technology Llc | Method for forming a perpendicular recording read/write head |
KR100378601B1 (ko) | 2000-01-27 | 2003-03-31 | 한국전자통신연구원 | 다중 광 기록 장치 |
US6825995B2 (en) * | 2000-04-27 | 2004-11-30 | Sony Corporation | Optical device, optical system, method of production of same, and mold for production of same |
US6594430B1 (en) | 2000-05-11 | 2003-07-15 | Carnegie Mellon University | Solid immersion lenses for focusing collimated light in the near-field region |
US6677105B2 (en) | 2000-05-12 | 2004-01-13 | Toda Kogyo Corporation | Self-lubricating layer for data storage devices |
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TW458446U (en) | 2000-06-16 | 2001-10-01 | Lucent Trans Electronics Co Lt | External dialer of mobile phone with illumination function |
US6445667B1 (en) | 2000-07-11 | 2002-09-03 | Iomega Corporation | Optical servo writing |
US6288981B1 (en) * | 2000-07-18 | 2001-09-11 | Hitachi, Ltd. | Magneto-optical recording device using magneto-resistive head |
US6529449B1 (en) * | 2000-07-26 | 2003-03-04 | Aiwa Co. Ltd. | Magneto-optical head involving solid immersion lens with two-layer heat-dispersive coil |
US6657926B2 (en) * | 2000-07-27 | 2003-12-02 | Terastor Corporation | Magnetic field modulation coil |
US7102992B1 (en) * | 2000-07-27 | 2006-09-05 | Termstar Corporation | Contact optical head for data storage |
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US7054851B2 (en) * | 2001-06-25 | 2006-05-30 | Siemens Medical Solutions Health Services Corporation | Communication data format for use in data storage and retrieval |
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JP2006114196A (ja) * | 2004-09-14 | 2006-04-27 | Sony Corp | ソリッドイマージョンレンズとこれを用いた集光レンズ、光学ピックアップ装置、光記録再生装置及びソリッドイマージョンレンズの形成方法 |
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JP4738267B2 (ja) * | 2006-06-29 | 2011-08-03 | 東芝ストレージデバイス株式会社 | 情報記録装置 |
US7890968B2 (en) * | 2007-01-26 | 2011-02-15 | Hewlett-Packard Development Company, L.P. | Optical disc device having two optomechanical mechanisms |
JP2013008401A (ja) * | 2009-10-21 | 2013-01-10 | Panasonic Corp | 光ピックアップ、光記録再生装置、及び微小スポット生成方法 |
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-
1997
- 1997-04-30 ID IDP971439A patent/ID16848A/id unknown
- 1997-04-30 TW TW086105741A patent/TW409248B/zh not_active IP Right Cessation
- 1997-09-10 US US08/926,907 patent/US5881042A/en not_active Expired - Fee Related
-
1999
- 1999-03-09 US US09/265,730 patent/US6055222A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6055222A (en) | 2000-04-25 |
TW409248B (en) | 2000-10-21 |
US5881042A (en) | 1999-03-09 |
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