AU2002351651A8 - Laser module for an optical reading/writing head and method for the production thereof - Google Patents

Laser module for an optical reading/writing head and method for the production thereof

Info

Publication number
AU2002351651A8
AU2002351651A8 AU2002351651A AU2002351651A AU2002351651A8 AU 2002351651 A8 AU2002351651 A8 AU 2002351651A8 AU 2002351651 A AU2002351651 A AU 2002351651A AU 2002351651 A AU2002351651 A AU 2002351651A AU 2002351651 A8 AU2002351651 A8 AU 2002351651A8
Authority
AU
Australia
Prior art keywords
production
laser module
optical reading
writing head
writing
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
Application number
AU2002351651A
Other versions
AU2002351651A1 (en
Inventor
Philipp Philipov
Atanas Zafirov
Robert Hoffmann
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.)
Interaxia AG
Original Assignee
Interaxia AG
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 Interaxia AG filed Critical Interaxia AG
Publication of AU2002351651A8 publication Critical patent/AU2002351651A8/en
Publication of AU2002351651A1 publication Critical patent/AU2002351651A1/en
Abandoned 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • 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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
AU2002351651A 2001-12-05 2002-12-05 Laser module for an optical reading/writing head and method for the production thereof Abandoned AU2002351651A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2221/01 2001-12-05
CH22212001 2001-12-05
PCT/CH2002/000668 WO2003049087A2 (en) 2001-12-05 2002-12-05 Laser module for an optical reading/writing head and method for the production thereof

Publications (2)

Publication Number Publication Date
AU2002351651A8 true AU2002351651A8 (en) 2003-06-17
AU2002351651A1 AU2002351651A1 (en) 2003-06-17

Family

ID=4568069

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002351651A Abandoned AU2002351651A1 (en) 2001-12-05 2002-12-05 Laser module for an optical reading/writing head and method for the production thereof

Country Status (2)

Country Link
AU (1) AU2002351651A1 (en)
WO (1) WO2003049087A2 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58196631A (en) * 1982-05-11 1983-11-16 Olympus Optical Co Ltd Information recording and reproducing device
JP3361335B2 (en) * 1992-05-22 2003-01-07 オリンパス光学工業株式会社 Semiconductor laser device
JP2990038B2 (en) * 1995-03-30 1999-12-13 日本電気株式会社 Light head
US6259713B1 (en) * 1997-12-15 2001-07-10 The University Of Utah Research Foundation Laser beam coupler, shaper and collimator device
JP2001034983A (en) * 1999-07-14 2001-02-09 Sankyo Seiki Mfg Co Ltd Light-receiving/emitting device for optical pickup device

Also Published As

Publication number Publication date
WO2003049087A3 (en) 2003-10-02
WO2003049087A2 (en) 2003-06-12
AU2002351651A1 (en) 2003-06-17

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase