JPS57189358A - Production of original disc for information recording - Google Patents

Production of original disc for information recording

Info

Publication number
JPS57189358A
JPS57189358A JP7222581A JP7222581A JPS57189358A JP S57189358 A JPS57189358 A JP S57189358A JP 7222581 A JP7222581 A JP 7222581A JP 7222581 A JP7222581 A JP 7222581A JP S57189358 A JPS57189358 A JP S57189358A
Authority
JP
Japan
Prior art keywords
disc
reflectance
photoresist
developing time
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.)
Granted
Application number
JP7222581A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0435819B2 (enrdf_load_stackoverflow
Inventor
Akito Kanda
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.)
Pioneer Video Corp
Universal Pioneer Corp
Original Assignee
Pioneer Video Corp
Universal Pioneer 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 Pioneer Video Corp, Universal Pioneer Corp filed Critical Pioneer Video Corp
Priority to JP7222581A priority Critical patent/JPS57189358A/ja
Publication of JPS57189358A publication Critical patent/JPS57189358A/ja
Publication of JPH0435819B2 publication Critical patent/JPH0435819B2/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
    • G11B7/24—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP7222581A 1981-05-15 1981-05-15 Production of original disc for information recording Granted JPS57189358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7222581A JPS57189358A (en) 1981-05-15 1981-05-15 Production of original disc for information recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7222581A JPS57189358A (en) 1981-05-15 1981-05-15 Production of original disc for information recording

Publications (2)

Publication Number Publication Date
JPS57189358A true JPS57189358A (en) 1982-11-20
JPH0435819B2 JPH0435819B2 (enrdf_load_stackoverflow) 1992-06-12

Family

ID=13483098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7222581A Granted JPS57189358A (en) 1981-05-15 1981-05-15 Production of original disc for information recording

Country Status (1)

Country Link
JP (1) JPS57189358A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107706A (en) * 1978-02-13 1979-08-23 Matsushita Electric Ind Co Ltd Information recording medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107706A (en) * 1978-02-13 1979-08-23 Matsushita Electric Ind Co Ltd Information recording medium

Also Published As

Publication number Publication date
JPH0435819B2 (enrdf_load_stackoverflow) 1992-06-12

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