JPH0123842B2 - - Google Patents

Info

Publication number
JPH0123842B2
JPH0123842B2 JP7297180A JP7297180A JPH0123842B2 JP H0123842 B2 JPH0123842 B2 JP H0123842B2 JP 7297180 A JP7297180 A JP 7297180A JP 7297180 A JP7297180 A JP 7297180A JP H0123842 B2 JPH0123842 B2 JP H0123842B2
Authority
JP
Japan
Prior art keywords
mold
stamper
information recording
recording carrier
density information
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
JP7297180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56167421A (en
Inventor
Toshiji Fujita
Akihide Saito
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 JP7297180A priority Critical patent/JPS56167421A/ja
Publication of JPS56167421A publication Critical patent/JPS56167421A/ja
Publication of JPH0123842B2 publication Critical patent/JPH0123842B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP7297180A 1980-05-30 1980-05-30 Manufacturing device for high-density information recording carrier Granted JPS56167421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7297180A JPS56167421A (en) 1980-05-30 1980-05-30 Manufacturing device for high-density information recording carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7297180A JPS56167421A (en) 1980-05-30 1980-05-30 Manufacturing device for high-density information recording carrier

Publications (2)

Publication Number Publication Date
JPS56167421A JPS56167421A (en) 1981-12-23
JPH0123842B2 true JPH0123842B2 (en]) 1989-05-09

Family

ID=13504775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7297180A Granted JPS56167421A (en) 1980-05-30 1980-05-30 Manufacturing device for high-density information recording carrier

Country Status (1)

Country Link
JP (1) JPS56167421A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58162320A (ja) * 1982-03-23 1983-09-27 Hitachi Ltd デイスクの複製装置
US5169571A (en) * 1991-04-16 1992-12-08 The C.A. Lawton Company Mat forming process and apparatus

Also Published As

Publication number Publication date
JPS56167421A (en) 1981-12-23

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