AU2673899A - Inexpensive safe light beam recorder - Google Patents

Inexpensive safe light beam recorder

Info

Publication number
AU2673899A
AU2673899A AU26738/99A AU2673899A AU2673899A AU 2673899 A AU2673899 A AU 2673899A AU 26738/99 A AU26738/99 A AU 26738/99A AU 2673899 A AU2673899 A AU 2673899A AU 2673899 A AU2673899 A AU 2673899A
Authority
AU
Australia
Prior art keywords
light beam
safe light
beam recorder
inexpensive safe
inexpensive
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
AU26738/99A
Inventor
Edward W. Morton
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.)
Sony Electronics Inc
Original Assignee
Sony Electronics Inc
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 Sony Electronics Inc filed Critical Sony Electronics Inc
Publication of AU2673899A publication Critical patent/AU2673899A/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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Recording Or Reproduction (AREA)
AU26738/99A 1999-02-11 1999-02-11 Inexpensive safe light beam recorder Abandoned AU2673899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1999/003013 WO2000048179A1 (en) 1999-02-11 1999-02-11 Inexpensive safe light beam recorder

Publications (1)

Publication Number Publication Date
AU2673899A true AU2673899A (en) 2000-08-29

Family

ID=22272175

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26738/99A Abandoned AU2673899A (en) 1999-02-11 1999-02-11 Inexpensive safe light beam recorder

Country Status (2)

Country Link
AU (1) AU2673899A (en)
WO (1) WO2000048179A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530324A (en) * 1967-05-16 1970-09-22 Norton Research Corp Electroluminescent silicon carbide diode with sharply peaked light emission from the edge of the junction
JPS59132433A (en) * 1983-01-19 1984-07-30 Nippon Telegr & Teleph Corp <Ntt> Optical head
JPS6035344A (en) * 1983-08-08 1985-02-23 Hitachi Tobu Semiconductor Ltd Light emitting device and optical signal processor using light emitting device
US5170180A (en) * 1988-03-15 1992-12-08 Fuji Photo Film Co., Ltd. Exposure head for image recording apparatus
JP2984004B2 (en) * 1989-08-28 1999-11-29 ソニー株式会社 Cutting machine
JPH03141053A (en) * 1989-10-26 1991-06-17 Victor Co Of Japan Ltd Manufacture of stamper for manufacturing information recording medium
NO303098B1 (en) * 1995-06-23 1998-05-25 Opticom As Optical data storage medium with diffractive optical elements and method for writing and reading data therein
JPH0973659A (en) * 1995-09-07 1997-03-18 Pioneer Electron Corp Optical disk master disk recorder
JP3837821B2 (en) * 1997-04-04 2006-10-25 ソニー株式会社 Optical pickup device using compound semiconductor laser
KR100243134B1 (en) * 1997-08-30 2000-02-01 윤종용 Optical pickup device for recording and reproducing

Also Published As

Publication number Publication date
WO2000048179A1 (en) 2000-08-17

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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