JPS6240768B2 - - Google Patents

Info

Publication number
JPS6240768B2
JPS6240768B2 JP52044311A JP4431177A JPS6240768B2 JP S6240768 B2 JPS6240768 B2 JP S6240768B2 JP 52044311 A JP52044311 A JP 52044311A JP 4431177 A JP4431177 A JP 4431177A JP S6240768 B2 JPS6240768 B2 JP S6240768B2
Authority
JP
Japan
Prior art keywords
plastic
coating layer
disk
metal sheet
information carrier
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
Application number
JP52044311A
Other languages
English (en)
Japanese (ja)
Other versions
JPS53129001A (en
Inventor
Toshiji Fujita
Senhiko Yamada
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.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
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 Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP4431177A priority Critical patent/JPS53129001A/ja
Publication of JPS53129001A publication Critical patent/JPS53129001A/ja
Publication of JPS6240768B2 publication Critical patent/JPS6240768B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP4431177A 1977-04-18 1977-04-18 Highhdensity information carrier Granted JPS53129001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4431177A JPS53129001A (en) 1977-04-18 1977-04-18 Highhdensity information carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4431177A JPS53129001A (en) 1977-04-18 1977-04-18 Highhdensity information carrier

Publications (2)

Publication Number Publication Date
JPS53129001A JPS53129001A (en) 1978-11-10
JPS6240768B2 true JPS6240768B2 (enrdf_load_stackoverflow) 1987-08-31

Family

ID=12687935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4431177A Granted JPS53129001A (en) 1977-04-18 1977-04-18 Highhdensity information carrier

Country Status (1)

Country Link
JP (1) JPS53129001A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51131603A (en) * 1975-04-28 1976-11-16 Teletype Corp Multiilayer memory structure for laser recording

Also Published As

Publication number Publication date
JPS53129001A (en) 1978-11-10

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