AU3824297A - Positioning an optical beam - Google Patents
Positioning an optical beamInfo
- Publication number
- AU3824297A AU3824297A AU38242/97A AU3824297A AU3824297A AU 3824297 A AU3824297 A AU 3824297A AU 38242/97 A AU38242/97 A AU 38242/97A AU 3824297 A AU3824297 A AU 3824297A AU 3824297 A AU3824297 A AU 3824297A
- Authority
- AU
- Australia
- Prior art keywords
- positioning
- optical beam
- optical
- 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.)
- Abandoned
Links
Classifications
-
- 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
- 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
-
- 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
- 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
- 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
- G11B7/08547—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
-
- 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
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
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)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69258196A | 1996-08-05 | 1996-08-05 | |
US08692581 | 1996-08-05 | ||
PCT/US1997/013552 WO1998006095A1 (en) | 1996-08-05 | 1997-07-31 | Positioning an optical beam |
Publications (1)
Publication Number | Publication Date |
---|---|
AU3824297A true AU3824297A (en) | 1998-02-25 |
Family
ID=24781157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU38242/97A Abandoned AU3824297A (en) | 1996-08-05 | 1997-07-31 | Positioning an optical beam |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0916133A1 (en) |
JP (1) | JP2000517090A (en) |
AU (1) | AU3824297A (en) |
ID (1) | ID17977A (en) |
TW (1) | TW381254B (en) |
WO (1) | WO1998006095A1 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6081499A (en) * | 1997-05-05 | 2000-06-27 | Seagate Technology, Inc. | Magneto-optical data storage system having an optical-processing flying head |
US6076256A (en) * | 1997-04-18 | 2000-06-20 | Seagate Technology, Inc. | Method for manufacturing magneto-optical data storage system |
DE19828678A1 (en) | 1997-06-26 | 1999-01-07 | Asahi Optical Co Ltd | Optical system for a drive for optical storage disks |
US6424068B2 (en) | 1997-06-27 | 2002-07-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | Galvano mirror unit |
DE19828679B4 (en) * | 1997-06-27 | 2004-07-08 | Pentax Corp. | Galvano system |
DE19828689A1 (en) | 1997-06-27 | 1999-01-07 | Asahi Optical Co Ltd | Mirror galvanometer unit |
JPH1186328A (en) | 1997-09-12 | 1999-03-30 | Asahi Optical Co Ltd | Optical information recording and reproducing device |
US6404715B1 (en) | 1997-10-06 | 2002-06-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Detecting system for detecting rotation angle of deflection mirror |
US6421156B1 (en) | 1997-10-17 | 2002-07-16 | Asahi Kogaku Kogyo Kabushiki Kaisha | Galvano mirror unit |
US6344917B1 (en) | 1997-10-17 | 2002-02-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | Galvano mirror unit |
US6324141B2 (en) | 1997-10-24 | 2001-11-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical system for optical disc drive |
US6292447B1 (en) | 1997-10-24 | 2001-09-18 | Asahi Kogaku Kogyo Kabushiki Kaisha | Head for optical disc drive |
US6404485B1 (en) | 1997-10-24 | 2002-06-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Rotation amount detecting system of deflection mirror for optical disc drive |
US6333910B1 (en) | 1997-10-31 | 2001-12-25 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical system for optical disc drive |
US6341106B1 (en) | 1997-11-05 | 2002-01-22 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical disc drive |
US6278682B1 (en) | 1997-11-08 | 2001-08-21 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical system for optical disc drive |
JPH11144401A (en) | 1997-11-13 | 1999-05-28 | Teac Corp | Recording and reproduction apparatus for storage medium |
US6650604B1 (en) | 1997-12-27 | 2003-11-18 | Pentax Corporation | Optical head of disk drive |
US6407975B1 (en) | 1998-03-16 | 2002-06-18 | Asahi Kogaku Kogyo Kabushiki Kaisha Of Tokyo | Optical disk drive |
US6590853B1 (en) | 1998-03-30 | 2003-07-08 | Samsung Electronics Co., Ltd. | Swing arm driving type optical recording/reproducing apparatus |
KR100343153B1 (en) * | 1998-03-30 | 2002-09-18 | 삼성전자 주식회사 | Optical recording/reproducing apparatus |
US6200882B1 (en) | 1998-06-10 | 2001-03-13 | Seagate Technology, Inc. | Method for processing a plurality of micro-machined mirror assemblies |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4995025A (en) * | 1986-10-06 | 1991-02-19 | Schulze Dieter M | Spherical pivoting actuator for read/record head |
US5432763A (en) * | 1993-03-15 | 1995-07-11 | Hewlett-Packard Company | Subminiature rotary actuator optical head |
WO1995002243A1 (en) * | 1993-07-07 | 1995-01-19 | Digital Equipment Corporation | Rotary actuator for optical disk drive |
-
1997
- 1997-07-31 WO PCT/US1997/013552 patent/WO1998006095A1/en not_active Application Discontinuation
- 1997-07-31 JP JP10508083A patent/JP2000517090A/en active Pending
- 1997-07-31 AU AU38242/97A patent/AU3824297A/en not_active Abandoned
- 1997-07-31 EP EP97935258A patent/EP0916133A1/en not_active Ceased
- 1997-08-04 TW TW86111106A patent/TW381254B/en not_active IP Right Cessation
- 1997-08-04 ID IDP972689A patent/ID17977A/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0916133A1 (en) | 1999-05-19 |
ID17977A (en) | 1998-02-12 |
TW381254B (en) | 2000-02-01 |
WO1998006095A1 (en) | 1998-02-12 |
JP2000517090A (en) | 2000-12-19 |
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