JPH0435819B2 - - Google Patents

Info

Publication number
JPH0435819B2
JPH0435819B2 JP56072225A JP7222581A JPH0435819B2 JP H0435819 B2 JPH0435819 B2 JP H0435819B2 JP 56072225 A JP56072225 A JP 56072225A JP 7222581 A JP7222581 A JP 7222581A JP H0435819 B2 JPH0435819 B2 JP H0435819B2
Authority
JP
Japan
Prior art keywords
photoresist
reflectance
master
development time
determined
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
JP56072225A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57189358A (en
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.)
PAIONIA BIDEO KK
PAIONIA KK
Original Assignee
PAIONIA BIDEO KK
PAIONIA KK
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 PAIONIA BIDEO KK, PAIONIA KK filed Critical PAIONIA BIDEO KK
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 JPS57189358A (en) 1982-11-20
JPH0435819B2 true JPH0435819B2 (OSRAM) 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 (OSRAM)

Family Cites Families (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
JPS57189358A (en) 1982-11-20

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