JPH058495B2 - - Google Patents

Info

Publication number
JPH058495B2
JPH058495B2 JP58216863A JP21686383A JPH058495B2 JP H058495 B2 JPH058495 B2 JP H058495B2 JP 58216863 A JP58216863 A JP 58216863A JP 21686383 A JP21686383 A JP 21686383A JP H058495 B2 JPH058495 B2 JP H058495B2
Authority
JP
Japan
Prior art keywords
recording
optical
recording medium
spot
objective lens
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.)
Expired - Lifetime
Application number
JP58216863A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60109033A (ja
Inventor
Kuninori Shino
Tamotsu Ishii
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 Corp
Original Assignee
Sony Corp
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 Corp filed Critical Sony Corp
Priority to JP58216863A priority Critical patent/JPS60109033A/ja
Publication of JPS60109033A publication Critical patent/JPS60109033A/ja
Publication of JPH058495B2 publication Critical patent/JPH058495B2/ja
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP58216863A 1983-11-17 1983-11-17 光学式信号記録方法 Granted JPS60109033A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58216863A JPS60109033A (ja) 1983-11-17 1983-11-17 光学式信号記録方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58216863A JPS60109033A (ja) 1983-11-17 1983-11-17 光学式信号記録方法

Publications (2)

Publication Number Publication Date
JPS60109033A JPS60109033A (ja) 1985-06-14
JPH058495B2 true JPH058495B2 (enrdf_load_stackoverflow) 1993-02-02

Family

ID=16695081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58216863A Granted JPS60109033A (ja) 1983-11-17 1983-11-17 光学式信号記録方法

Country Status (1)

Country Link
JP (1) JPS60109033A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH087883B2 (ja) * 1986-12-15 1996-01-29 株式会社リコー 光デイスク原盤露光方法
JPS6452236A (en) * 1987-08-21 1989-02-28 Sharp Kk Formation of master disk for optical disk
JP2796312B2 (ja) * 1988-09-14 1998-09-10 株式会社日立製作所 情報記録再生装置、情報記録再生方法、情報再生装置、及び情報ビット配置方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59195350A (ja) * 1983-04-21 1984-11-06 Victor Co Of Japan Ltd 光学的記録再生装置

Also Published As

Publication number Publication date
JPS60109033A (ja) 1985-06-14

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