JPS5223308A - Data recording medium manufacturing process - Google Patents

Data recording medium manufacturing process

Info

Publication number
JPS5223308A
JPS5223308A JP9965075A JP9965075A JPS5223308A JP S5223308 A JPS5223308 A JP S5223308A JP 9965075 A JP9965075 A JP 9965075A JP 9965075 A JP9965075 A JP 9965075A JP S5223308 A JPS5223308 A JP S5223308A
Authority
JP
Japan
Prior art keywords
recording medium
manufacturing process
data recording
medium manufacturing
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.)
Granted
Application number
JP9965075A
Other languages
Japanese (ja)
Other versions
JPS5931775B2 (en
Inventor
Masanobu Yamamoto
Tadao Shiraishi
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 JP9965075A priority Critical patent/JPS5931775B2/en
Publication of JPS5223308A publication Critical patent/JPS5223308A/en
Publication of JPS5931775B2 publication Critical patent/JPS5931775B2/en
Expired 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording

Abstract

PURPOSE:A disc read plate to write on and read information such as speech, images, by an optical system. Writing is done accurately and easily without failure by monitoring writing results.
JP9965075A 1975-08-15 1975-08-15 Recording and playback method for information recording media Expired JPS5931775B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9965075A JPS5931775B2 (en) 1975-08-15 1975-08-15 Recording and playback method for information recording media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9965075A JPS5931775B2 (en) 1975-08-15 1975-08-15 Recording and playback method for information recording media

Publications (2)

Publication Number Publication Date
JPS5223308A true JPS5223308A (en) 1977-02-22
JPS5931775B2 JPS5931775B2 (en) 1984-08-04

Family

ID=14252920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9965075A Expired JPS5931775B2 (en) 1975-08-15 1975-08-15 Recording and playback method for information recording media

Country Status (1)

Country Link
JP (1) JPS5931775B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203233A (en) * 1982-05-12 1982-12-13 Matsushita Electric Ind Co Ltd Optical recorder and reproducer
JPS60173737A (en) * 1984-02-09 1985-09-07 Nippon Telegr & Teleph Corp <Ntt> Manufacture of stamper for optical disk

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203233A (en) * 1982-05-12 1982-12-13 Matsushita Electric Ind Co Ltd Optical recorder and reproducer
JPH0127489B2 (en) * 1982-05-12 1989-05-29 Matsushita Electric Ind Co Ltd
JPS60173737A (en) * 1984-02-09 1985-09-07 Nippon Telegr & Teleph Corp <Ntt> Manufacture of stamper for optical disk

Also Published As

Publication number Publication date
JPS5931775B2 (en) 1984-08-04

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